Michael Emerzian, MD
NPI 1851479588 · Internal Medicine Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Emerzian, MD is a Internal Medicine Physician provider in Roseville, CA (NPI 1851479588).
Provider details
- NPI number
- 1851479588
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A66200 (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
19 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 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 403 | 131 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 289 | 42 |
| Losartan Potassium | 258 | 86 |
| Levothyroxine Sodium | 252 | 75 |
| Amlodipine Besylate | 213 | 74 |
| Metoprolol Succinate | 153 | 55 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-17
Frequently asked questions
- What is Michael Emerzian's NPI number?
- Michael Emerzian's National Provider Identifier (NPI) is 1851479588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Emerzian's specialty?
- Michael Emerzian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Emerzian located?
- Michael Emerzian's practice location on file with NPPES is 1600 Eureka Rd, Roseville, CA 95661-3027.
- What is Michael Emerzian's phone number?
- The practice phone number listed in the NPPES registry for Michael Emerzian is (916) 784-4000.
- Does Michael Emerzian accept Medicare?
- Michael Emerzian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Emerzian's NPI active?
- Yes — Michael Emerzian's NPI (1851479588) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.