Tammy Witschger, PA-C
NPI 1376734053 · Physician Assistant · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Witschger, PA-C is a Physician Assistant provider in Santa Cruz, CA (NPI 1376734053).
Provider details
- NPI number
- 1376734053
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA19304 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
347 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 175 | $153 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 160 | $106 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 12 | $63 |
Typical Medicare-allowed amounts for these services range $63–$153 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 27 | 27 |
| Ondansetronbrand: Ondansetron Odt | 21 | 21 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 17 | 17 |
| Tramadol Hcl | 17 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Ibuprofen | 14 | 14 |
| Tamsulosin Hcl | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-07
- Last updated
- 2010-03-11
Frequently asked questions
- What is Tammy Witschger's NPI number?
- Tammy Witschger's National Provider Identifier (NPI) is 1376734053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Witschger's specialty?
- Tammy Witschger is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Witschger located?
- Tammy Witschger's practice location on file with NPPES is 1555 Soquel Dr, Santa Cruz, CA 95065-1705.
- What is Tammy Witschger's phone number?
- The practice phone number listed in the NPPES registry for Tammy Witschger is (831) 464-1776.
- Does Tammy Witschger accept Medicare?
- Tammy Witschger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Witschger's NPI active?
- Yes — Tammy Witschger's NPI (1376734053) is active in the NPPES registry as of the last update on 2010-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.