DENA WITTHAUS D.O.
NPI 1528354966
Internal Medicine in Corvallis, OR
NPI Status: Active since June 23, 2011
Contact Information
3600 NW SAMARITAN DR
CORVALLIS, OR
ZIP 97330
Phone: (541) 768-4906
- Individual
- Female
- Years of Experience 15
- Internal Medicine
- Accepts Insurance
- Accepts Medicare Approved Payment
- PECOS Enrolled
About DENA WITTHAUS
This page provides the complete NPI Profile along with additional information for Dena Witthaus, an internist established in Corvallis, Oregon with a medical specialization in Internal Medicine and more than 15 years of experience. She graduated from Arizona College Of Osteopathic Medicine Mid Western University in 2011. The healthcare provider is registered in the NPI registry with number 1528354966 assigned on June 2011. The practitioner's primary taxonomy code is 207R00000X with license number PG154631 (OR). The provider is registered as an individual and her NPI record was last updated 14 years ago.
- NPI
- 1528354966
- Provider Name
- DENA WITTHAUS D.O.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3600 NW SAMARITAN DR CORVALLIS, OR 97330
- Location Phone
- (541) 768-4906
- Mailing Address
- 3600 NW SAMARITAN DR CORVALLIS, OR 97330
- Mailing Phone
- (541) 768-4906
- Medical School Name
- ARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
- Graduation Year
- 2011
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-23-2011
- Last Update Date
- 06-23-2011
- Code Navigator
An internist like Dena Witthaus is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Internal Medicine
- Taxonomy Code
- 207R00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- PG154631
- License State
- OR
- Taxonomy Description
- A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- KP OR Bronze 6000 - EPO
- KP OR Bronze HSA 7100 - EPO
- KP OR Gold 0 - EPO
- KP OR Gold 1750 - EPO
- KP OR Silver 3000 - EPO
- KP OR Silver 4000 - EPO
- KP Oregon Standard Bronze Plan - EPO
- KP Oregon Standard Gold Plan - EPO
- KP Oregon Standard Silver Plan - EPO
- KP OR Family Dental - $100 Ded - EPO
- KP OR Family Dental - $1000 - EPO
- KP OR Family Dental - $1000/$50 Ded - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Medicare Participation & PECOS Enrollment Status
Dena Witthaus is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Dena Witthaus is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
PECOS PAC ID: 1254559115
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20140905002538, I20241014001464
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Physician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $31.56 for a new patient copayment and $24.29 for an established patient copayment.
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 97330 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $126.25
- Minimum New Patient Price $54.96
- Maximum New Patient Price $166.64
- Average New Patient Copayment $31.56
- Minimum New Patient Copayment $13.74
- Maximum New Patient Copayment $41.66
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $97.16
- Minimum Established Patient Price $17.68
- Maximum Established Patient Price $136.19
- Average Established Patient Copayment $24.29
- Minimum Established Patient Copayment $4.42
- Maximum Established Patient Copayment $34.04
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
1 | 5 | 2 | 8 | 3 | 5 | 4 | 9 | 6 | 6 |
Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
2 | 5 | 4 | 8 | 6 | 5 | 8 | 9 | 12 | |
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
2 + 5 + 4 + 8 + 6 + 5 + 8 + 9 + 1 + 2 + 24 = 74 | |||||||||
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
80 - 74 = 6 | 6 |
The NPI number 1528354966 is valid because the calculated check digit 6 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
NPI | Name / Type | Taxonomy | Address |
---|---|---|---|
1316909187 | ALISSA PAULA CRAFT DO Individual | Pediatrics (Neonatal-Perinatal Medicine) | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-4906 |
1336192897 | M. TERESA COCHRAN MS, RD, LD Individual | Dietitian, Registered | 3600 NW SAMARITAN DR 2H229 CORVALLIS, OR 97330 (541) 768-6973 |
1003855065 | DR. RANDALL V. BREAM M.D. Individual | Internal Medicine (Cardiovascular Disease) | 3600 NW SAMARITAN DR SUITE E350 CORVALLIS, OR 97330 (541) 768-5205 |
1538101464 | DR. WILLIAM BARRY REEVES M.D. Individual | Emergency Medicine | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5021 |
1497790190 | RAVI CHIKKALINGAIAH MD Individual | Anesthesiology | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 757-5111 |
1588690564 | DR. GABRIEL BAIRD LEDGER M.D. Individual | Emergency Medicine | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5021 |
1184650392 | MS. JENNETTE MARIE TODD R.D., C.D.E. Individual | Dietitian, Registered | 3600 NW SAMARITAN DR SAMARITAN REGIONAL MEDICAL CENTER CORVALLIS, OR 97330 (541) 768-5560 |
1912933839 | STEFAN SPANN Individual | Emergency Medicine | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5021 |
1164459194 | DAVID MICHAEL MCGRATH MD Individual | Anesthesiology | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 757-5111 |
1659397719 | PAUL ROBERT HOCHFELD M.D. Individual | Emergency Medicine | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5021 |
1942214838 | DR. ALAN PAUL GOLDNER M.D. Individual | Emergency Medicine | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5111 |
1447364104 | ETHAN B. WILSON M.D. Individual | Emergency Medicine | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5021 |
1386732493 | THERESA ANDERSON Individual | Dietitian, Registered | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-6974 |
1386732410 | MRS. MARCIE DODGE GREGORY MS, RD, LD Individual | Dietitian, Registered | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5102 |
1881784627 | AMNA HUSSAIN R.D.,L.D.,M.S. Individual | Dietitian, Registered | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5182 |
1689755050 | SARA KELSEY BORN R.D. Individual | Dietitian, Registered | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-4663 |
1912078197 | MRS. LEANNE CHIAVINI R.D. Individual | Dietitian, Registered | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5102 |
1215067798 | GEORGE M.S. PUTNAM CCP Individual | 3600 NW SAMARITAN DR SUITE E300 CORVALLIS, OR 97330 (541) 768-5223 | |
1720102981 | EMILY SUE BISHOP EMILY BISHOP, RNFA Individual | Registered Nurse (Registered Nurse First Assistant) | 3600 NW SAMARITAN DR OPERATING ROOM CORVALLIS, OR 97330 (541) 905-3586 |
1770600744 | DR. ROY JAY APTER M.D. Individual | Pathology (Anatomic Pathology & Clinical Pathology) | 3600 NW SAMARITAN DR CORVALLIS, OR 97330 (541) 768-5570 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1528354966, enumerated in the NPI registry as an "individual" on June 23, 2011
The provider is located at 3600 Nw Samaritan Dr Corvallis, Or 97330 and the phone number is (541) 768-4906
The provider's speciality is Internal Medicine with taxonomy code 207R00000X
The provider has more than 15 years of experience. She graduated from Arizona College Of Osteopathic Medicine Mid Western University in 2011.
The provider might be accepting Accepts: Kaiser Permanente. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.
Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
Medicare beneficiaries should expect a typical cost of $126.25 with an average copayment of $31.56 for new patient appointments. Established patients should expect a typical charge of $97.16 and an average copayment of 24.29. Please review your insurance plan or contact the provider directly to determine your specific costs.
This NPI record was last updated on June 23, 2011. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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