Pamela Nitsos, M.D.
NPI 1063413623 · Internal Medicine Physician · Union City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pamela Nitsos, M.D. is a Internal Medicine Physician provider in Union City, CA (NPI 1063413623).
Provider details
- NPI number
- 1063413623
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PN065387 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 356 | 145 |
| Losartan Potassium | 273 | 101 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 234 | 44 |
| Levothyroxine Sodium | 218 | 73 |
| Lisinopril | 213 | 83 |
| Hydrochlorothiazide | 212 | 83 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-04
- Last updated
- 2021-12-13
Frequently asked questions
- What is Pamela Nitsos's NPI number?
- Pamela Nitsos's National Provider Identifier (NPI) is 1063413623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pamela Nitsos's specialty?
- Pamela Nitsos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Pamela Nitsos located?
- Pamela Nitsos's practice location on file with NPPES is 3553 Whipple Rd, Union City, CA 94587-1507.
- What is Pamela Nitsos's phone number?
- The practice phone number listed in the NPPES registry for Pamela Nitsos is (510) 454-1000.
- Does Pamela Nitsos accept Medicare?
- Pamela Nitsos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pamela Nitsos's NPI active?
- Yes — Pamela Nitsos's NPI (1063413623) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.