Nestor Unger, M.D.
NPI 1003810516 · Nephrology Physician · Aibonito, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nestor Unger, M.D. is a Nephrology Physician provider in Aibonito, PR (NPI 1003810516).
Provider details
- NPI number
- 1003810516
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14653 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
21 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 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 304 | 57 |
| Atorvastatin Calcium | 231 | 71 |
| Famotidine | 181 | 54 |
| Dapagliflozin Propanediolbrand: Farxiga | 158 | 49 |
| Metoprolol Succinate | 147 | 41 |
| Omeprazole | 146 | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2013-12-03
Frequently asked questions
- What is Nestor Unger's NPI number?
- Nestor Unger's National Provider Identifier (NPI) is 1003810516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nestor Unger's specialty?
- Nestor Unger is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Nestor Unger located?
- Nestor Unger's practice location on file with NPPES is 58 Calle Ramon Flores, Aibonito, PR 00705-1705.
- What is Nestor Unger's phone number?
- The practice phone number listed in the NPPES registry for Nestor Unger is (787) 649-2020.
- Does Nestor Unger accept Medicare?
- Nestor Unger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nestor Unger's NPI active?
- Yes — Nestor Unger's NPI (1003810516) is active in the NPPES registry as of the last update on 2013-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.