Ana Diaz, MD
NPI 1093344939 · Internal Medicine Physician · Newark, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ana Diaz, MD is a Internal Medicine Physician provider in Newark, NJ (NPI 1093344939).
Provider details
- NPI number
- 1093344939
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA11897600 (NJ)
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
6 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 66 | 30 |
| Metformin Hcl | 52 | 21 |
| Lisinopril | 45 | 18 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | 12 |
| Amlodipine Besylate | 26 | 15 |
| Semaglutidebrand: Ozempic | 19 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-03
- Last updated
- 2024-01-25
- Certified
- 2024-01-25
Frequently asked questions
- What is Ana Diaz's NPI number?
- Ana Diaz's National Provider Identifier (NPI) is 1093344939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ana Diaz's specialty?
- Ana Diaz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ana Diaz located?
- Ana Diaz's practice location on file with NPPES is 185 S Orange Ave, Newark, NJ 07103-2757.
- What is Ana Diaz's phone number?
- The practice phone number listed in the NPPES registry for Ana Diaz is (973) 972-2900.
- Does Ana Diaz accept Medicare?
- Ana Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ana Diaz's NPI active?
- Yes — Ana Diaz's NPI (1093344939) is active in the NPPES registry as of the last update on 2024-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.