William Feero, MD, PHD
NPI 1285600239 · Family Medicine Physician · Westbrook, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Feero, MD, PHD is a Family Medicine Physician provider in Westbrook, ME (NPI 1285600239).
Provider details
- NPI number
- 1285600239
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD15570 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
249 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 165 | $91 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 69 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 15 | $61 |
Typical Medicare-allowed amounts for these services range $15–$91 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 188 | 63 |
| Amlodipine Besylate | 108 | 40 |
| Sertraline Hcl | 99 | 30 |
| Omeprazole | 95 | 32 |
| Levothyroxine Sodium | 89 | 28 |
| Hydrochlorothiazide | 84 | 28 |
| Lisinopril | 78 |
Practice location
Mailing address
Additional practice locations (1)
- 4 Sheridan RdFairfield, ME 04937-3314Phone: (207) 861-5000Fax: (207) 861-5001
Registry dates
- Enumerated
- 2006-02-28
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is William Feero's NPI number?
- William Feero's National Provider Identifier (NPI) is 1285600239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Feero's specialty?
- William Feero is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Feero located?
- William Feero's practice location on file with NPPES is 1 Harnois Ave Ste 1b, Westbrook, ME 04092-4395.
- What is William Feero's phone number?
- The practice phone number listed in the NPPES registry for William Feero is (207) 662-1340.
- Does William Feero accept Medicare?
- William Feero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Feero's NPI active?
- Yes — William Feero's NPI (1285600239) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.