Alan Barker, M.D.
NPI 1518900422 · Family Medicine Physician · Boothbay Harbor, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Barker, M.D. is a Family Medicine Physician provider in Boothbay Harbor, ME (NPI 1518900422).
Provider details
- NPI number
- 1518900422
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 015060 (ME)
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
20 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 · 130 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 386 | 88 |
| Atorvastatin Calcium | 384 | 101 |
| Amlodipine Besylate | 302 | 77 |
| Lisinopril | 233 | 67 |
| Losartan Potassium | 230 | 54 |
| Tamsulosin Hcl | 186 | 51 |
| Simvastatin | 175 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2011-03-16
Frequently asked questions
- What is Alan Barker's NPI number?
- Alan Barker's National Provider Identifier (NPI) is 1518900422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Barker's specialty?
- Alan Barker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Barker located?
- Alan Barker's practice location on file with NPPES is 19 Saint Andrews Ln, Boothbay Harbor, ME 04538-1732.
- What is Alan Barker's phone number?
- The practice phone number listed in the NPPES registry for Alan Barker is (207) 633-7820.
- Does Alan Barker accept Medicare?
- Alan Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Barker's NPI active?
- Yes — Alan Barker's NPI (1518900422) is active in the NPPES registry as of the last update on 2011-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.