DR. MARK LEE MD, PHD
NPI 1881738003
Internal Medicine - Medical Oncology in Palo Alto, CA
NPI Status: Active since February 19, 2007
Contact Information
875 BLAKE WILBUR DR
PALO ALTO, CA
ZIP 94304
Phone: (650) 723-7621
- Individual
- Male
- Internal Medicine
- Medical Oncology
- PECOS Enrolled
About MARK LEE
This page provides the complete NPI Profile along with additional information for Mark Lee, an internist established in Palo Alto, California with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1881738003 assigned on February 2007. The practitioner's primary taxonomy code is 207RX0202X with license number A75891 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1881738003
- Provider Name
- DR. MARK LEE MD, PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 875 BLAKE WILBUR DR PALO ALTO, CA 94304
- Location Phone
- (650) 723-7621
- Mailing Address
- 1 DNA WAY # MS 442B SOUTH SAN FRANCISCO, CA 94080
- Mailing Phone
- (650) 225-5674
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-19-2007
- Last Update Date
- 07-08-2007
- Code Navigator
An internist like Mark Lee 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 Medical Oncology
- Taxonomy Code
- 207RX0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A75891
- License State
- CA
- Taxonomy Description
- An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Medicare Participation & PECOS Enrollment Status
Mark Lee 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: Durable Medical Equipment (DME) 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
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): No
Eligible to Order or Refer Power Mobility Devices: Yes
Physician Visit Costs
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 94304 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99205
- Average New Patient Price $206.04
- Minimum New Patient Price $70.37
- Maximum New Patient Price $206.04
- Average New Patient Copayment $51.51
- Minimum New Patient Copayment $17.59
- Maximum New Patient Copayment $51.51
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $121.77
- Minimum Established Patient Price $23.96
- Maximum Established Patient Price $169.6
- Average Established Patient Copayment $30.44
- Minimum Established Patient Copayment $5.99
- Maximum Established Patient Copayment $42.4
* 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 | 8 | 8 | 1 | 7 | 3 | 8 | 0 | 0 | 3 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 8 | 16 | 1 | 14 | 3 | 16 | 0 | 0 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 8 + 1 + 6 + 1 + 1 + 4 + 3 + 1 + 6 + 0 + 0 + 24 = 57 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 57 = 3 | 3 | ||||||||
The NPI number 1881738003 is valid because the calculated check digit 3 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 |
|---|---|---|---|
| 1831127646 | KRISTAN JAN WHEELER PA-C Individual | Physician Assistant (Surgical) | 875 BLAKE WILBUR DR MAIL CODE 5826 PALO ALTO, CA 94304 (650) 725-7722 |
| 1417007469 | DR. LAWRENCE DAVID RECHT MD Individual | Psychiatry & Neurology (Neurology) | 875 BLAKE WILBUR DR RM CC2221 PALO ALTO, CA 94304 (650) 725-8630 |
| 1225184245 | DR. CHARLOTTE D. JACOBS M.D. Individual | Internal Medicine | 875 BLAKE WILBUR DR CC2241 PALO ALTO, CA 94304 (650) 725-8738 |
| 1689714248 | DR. JENNIFER C.Y. KAO M.D. Individual | Specialist | 875 BLAKE WILBUR DR #2234 PALO ALTO, CA 94304 (650) 723-8462 |
| 1780724427 | DR. DON ROBERT GOFFINET M.D. Individual | Radiology (Radiation Oncology) | 875 BLAKE WILBUR DR STANFORD CANCER CENTER ROOM CC-G220A PALO ALTO, CA 94304 (650) 723-5714 |
| 1194869685 | DR. SEAN PATRICK BOHEN M.D., PH.D. Individual | Internal Medicine (Medical Oncology) | 875 BLAKE WILBUR DR PALO ALTO, CA 94304 (650) 723-7621 |
| 1427193846 | MRS. KATHLEEN DOHERTY SMITH RN, MS, FNP Individual | Nurse Practitioner (Family) | 875 BLAKE WILBUR DR RM CC2342 PALO ALTO, CA 94304 (650) 498-6335 |
| 1881874519 | DR. ERIC WILLIAM HUMKE M.D., PH.D. Individual | Internal Medicine (Medical Oncology) | 875 BLAKE WILBUR DR STANFORD CANCER CENTER PALO ALTO, CA 94304 (650) 498-6000 |
| 1922389394 | MS. KELLY L MCCARTY DPHARM Individual | Pharmacist (Oncology) | 875 BLAKE WILBUR DR SUITE CC1101 PALO ALTO, CA 94304 (650) 838-0429 |
| 1952688301 | DR. AUDREY ROUX M.D. Individual | Specialist | 875 BLAKE WILBUR DR PALO ALTO, CA 94304 (650) 723-6171 |
| 1265764666 | MRS. HOPE ELIZABETH QAMOOS CNP Individual | Nurse Practitioner (Women's Health) | 875 BLAKE WILBUR DR PALO ALTO, CA 94304 (650) 498-6004 |
| 1922288604 | ALEXANDER UNGEWICKELL M.D., PH.D. Individual | Internal Medicine | 875 BLAKE WILBUR DR STANFORD CANCER CENTER PALO ALTO, CA 94304 (650) 498-6000 |
| 1912034240 | DR. SUSAN JANE KNOX M.D.,PH.D. Individual | Radiology (Radiation Oncology) | 875 BLAKE WILBUR DR DEPT. RADIATION ONCOLOGY - CANCER CENTER PALO ALTO, CA 94304 (650) 723-6171 |
| 1407994429 | DR. IRIS C GIBBS MD Individual | Radiology (Radiation Oncology) | 875 BLAKE WILBUR DR MC 5847 PALO ALTO, CA 94304 (650) 723-6171 |
| 1528201209 | DR. PELIN CINAR M.D. Individual | Internal Medicine | 875 BLAKE WILBUR DR MC: 5826 PALO ALTO, CA 94304 (650) 498-6000 |
| 1740678481 | SHUBHA KAMATH Individual | Pharmacist | 875 BLAKE WILBUR DR PALO ALTO, CA 94304 (650) 838-0429 |
| 1780840447 | CARRIE MARSHALL LI N.P. Individual | Nurse Practitioner (Acute Care) | 875 BLAKE WILBUR DR OFFICE 2321 PALO ALTO, CA 94304 (650) 724-6690 |
| 1407172687 | MICHAEL GENSHEIMER M.D. Individual | Radiology (Radiation Oncology) | 875 BLAKE WILBUR DR MC 5847 PALO ALTO, CA 94304 (650) 723-6171 |
| 1083937031 | MS. MELISSA VIATORI N.P. Individual | Nurse Practitioner | 875 BLAKE WILBUR DR PALO ALTO, CA 94304 (650) 498-6000 |
| 1447655014 | KSENIYA ALEKSANDROVNA MANDIC FNP Individual | Nurse Practitioner (Family) | 875 BLAKE WILBUR DR PALO ALTO, CA 94304 (650) 498-6000 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1881738003, enumerated in the NPI registry as an "individual" on February 19, 2007
The provider is located at 875 Blake Wilbur Dr Palo Alto, Ca 94304 and the phone number is (650) 723-7621
The provider's speciality is Internal Medicine with taxonomy code 207RX0202X with a focus in Medical Oncology
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: Durable Medical Equipment (DME) and Power Mobility Devices.
Medicare beneficiaries should expect a typical cost of $206.04 with an average copayment of $51.51 for new patient appointments. Established patients should expect a typical charge of $121.77 and an average copayment of 30.44. Please review your insurance plan or contact the provider directly to determine your specific costs.
This NPI record was last updated on February 19, 2007. 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].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.