Matthew Eisley, M.D.
NPI 1689810483 · Family Medicine Physician · Union City, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Eisley, M.D. is a Family Medicine Physician provider in Union City, CA (NPI 1689810483).
Provider details
- NPI number
- 1689810483
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A125561 (CA)
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
17 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 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 394 | 156 |
| Losartan Potassium | 210 | 75 |
| Amlodipine Besylate | 207 | 83 |
| Lisinopril | 142 | 57 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 131 | 35 |
| Levothyroxine Sodium | 118 | 41 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-29
- Last updated
- 2021-12-27
Frequently asked questions
- What is Matthew Eisley's NPI number?
- Matthew Eisley's National Provider Identifier (NPI) is 1689810483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Eisley's specialty?
- Matthew Eisley is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Eisley located?
- Matthew Eisley's practice location on file with NPPES is 3553 Whipple Rd, Union City, CA 94587-1507.
- What is Matthew Eisley's phone number?
- The practice phone number listed in the NPPES registry for Matthew Eisley is (510) 454-1000.
- Does Matthew Eisley accept Medicare?
- Matthew Eisley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Eisley's NPI active?
- Yes — Matthew Eisley's NPI (1689810483) is active in the NPPES registry as of the last update on 2021-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.