HEIDI J. UNDERWOOD SLP
NPI 1114151123
Speech-Language Pathologist in Seneca, PA
NPI Status: Active since May 05, 2009
Contact Information
145 STEFFEE BLVD
SENECA, PA
ZIP 16346
Phone: (814) 677-1390
Fax: (814) 677-1393
- Individual
- Female
- Speech-Language Pathologist
About HEIDI UNDERWOOD
This page provides the complete NPI Profile along with additional information for Heidi Underwood, a provider established in Seneca, Pennsylvania with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1114151123 assigned on May 2009. The practitioner's primary taxonomy code is 235Z00000X with license number SL007407 (PA). The provider is registered as an individual and her NPI record was last updated May 2025.
- NPI
- 1114151123
- Provider Name
- HEIDI J. UNDERWOOD SLP
- Other Name
- HEIDI WENMOTH
- Other Name Type
- Former Name (1)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 145 STEFFEE BLVD SENECA, PA 16346
- Location Phone
- (814) 677-1390
- Location Fax
- (814) 677-1393
- Mailing Address
- 145 STEFFEE BLVD PO BOX 796 SENECA, PA 16346
- Mailing Phone
- (814) 677-1390
- Mailing Fax
- (814) 677-1393
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-05-2009
- Last Update Date
- 05-09-2025
- Code Navigator
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
Speech-Language Pathologist
- Taxonomy Code
- 235Z00000X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- SL007407
- License State
- PA
- Taxonomy Description
- The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
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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 | 1 | 1 | 4 | 1 | 5 | 1 | 1 | 2 | 3 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 1 | 2 | 4 | 2 | 5 | 2 | 1 | 4 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 1 + 2 + 4 + 2 + 5 + 2 + 1 + 4 + 24 = 47 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 50 - 47 = 3 | 3 | ||||||||
The NPI number 1114151123 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 |
|---|---|---|---|
| 1427069764 | NEXT STEP THERAPY INC Organization | Physical Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1922202084 | GLENN DEN ENTERPRISES, INC Organization | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1104016534 | KAREN E. GUTH P.T. Individual | Physical Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1114111499 | RAEGAN E FAIR OT Individual | Occupational Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1982899373 | TAIT P BRADY P.T. Individual | Physical Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1558546028 | M. REBECCA EDWARDS Individual | Psychologist (School) | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1083865984 | LISA LANDER SLP Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1689826166 | MICHELLE WIRKNER OT Individual | Occupational Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1235381716 | JULIE HOVIS OT Individual | Occupational Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1558514547 | DEANNA S WOLFGONG Individual | Music Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1437480217 | MARGARET BUTLER Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1265757413 | TARA NICOLE MARTIN SLP Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1720303886 | KATHLEEN WALTON OT Individual | Occupational Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1467771501 | JENNA D. STANLEY SLP Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1215220439 | LISA BAUMGARTNER SLP Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1003196056 | MINDY BISH Individual | Dietitian, Registered | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1265704605 | JOANNA BELL SLP Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1669729075 | JESSICA J. JOHNSON SLP Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1366860413 | AMY SHAMBAUGH SLP Individual | Speech-Language Pathologist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
| 1194030502 | DANIELLE PAYNE MPT Individual | Physical Therapist | 145 STEFFEE BLVD SENECA, PA 16346 (814) 677-1390 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1114151123, enumerated in the NPI registry as an "individual" on May 05, 2009
The provider is located at 145 Steffee Blvd Seneca, Pa 16346 and the phone number is (814) 677-1390
The provider's speciality is Speech-Language Pathologist with taxonomy code 235Z00000X
This NPI record was last updated on May 05, 2009. 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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