Caleb Nannes, M.D.
NPI 1275832560 · Internal Medicine Physician · Oak Bluffs, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caleb Nannes, M.D. is a Internal Medicine Physician provider in Oak Bluffs, MA (NPI 1275832560).
Provider details
- NPI number
- 1275832560
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 262591 (MA)
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
15 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 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 256 | 95 |
| Lisinopril | 163 | 58 |
| Levothyroxine Sodium | 122 | 49 |
| Amlodipine Besylate | 113 | 48 |
| Losartan Potassium | 99 | 36 |
| Hydrochlorothiazide | 97 | 36 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-25
- Last updated
- 2023-02-09
- Certified
- 2023-02-09
Frequently asked questions
- What is Caleb Nannes's NPI number?
- Caleb Nannes's National Provider Identifier (NPI) is 1275832560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caleb Nannes's specialty?
- Caleb Nannes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caleb Nannes located?
- Caleb Nannes's practice location on file with NPPES is 1 Hospital Rd, Oak Bluffs, MA 02557-1406.
- What is Caleb Nannes's phone number?
- The practice phone number listed in the NPPES registry for Caleb Nannes is (508) 684-4500.
- Does Caleb Nannes accept Medicare?
- Caleb Nannes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caleb Nannes's NPI active?
- Yes — Caleb Nannes's NPI (1275832560) is active in the NPPES registry as of the last update on 2023-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.