Eric Hassid, M.D.
NPI 1669420485 · Internal Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Hassid, M.D. is a Internal Medicine Physician provider in Sacramento, CA (NPI 1669420485).
Provider details
- NPI number
- 1669420485
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G75478 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 · 5 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Progesterone, Micronizedbrand: Progesterone | 32 | 13 |
| Anastrozole | 17 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 16 | — |
| Levothyroxine Sodium | 14 | — |
| Estradiolbrand: Dotti | 12 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Mailing address
Additional practice locations (2)
- 2801 K St Ste 502Sacramento, CA 95816-5119Phone: (916) 887-4660Fax: (916) 887-4661
- 1010 Nut Tree RdSuite 200Vacaville, CA 95687-4172Phone: (707) 624-8530Fax: (707) 624-8501
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2020-02-06
- Certified
- 2020-02-06
Frequently asked questions
- What is Eric Hassid's NPI number?
- Eric Hassid's National Provider Identifier (NPI) is 1669420485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Hassid's specialty?
- Eric Hassid is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Hassid located?
- Eric Hassid's practice location on file with NPPES is 2801 K Street, Sacramento, CA 95816-4172.
- Does Eric Hassid accept Medicare?
- Eric Hassid is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Hassid's NPI active?
- Yes — Eric Hassid's NPI (1669420485) is active in the NPPES registry as of the last update on 2020-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.