William Mills, M.D.
NPI 1215140587 · Internal Medicine Physician · Beachwood, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mills, M.D. is a Internal Medicine Physician provider in Beachwood, OH (NPI 1215140587).
Provider details
- NPI number
- 1215140587
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35083334 (OH)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
60 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 28 | $91 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 17 | $39 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 15 | $49 |
Typical Medicare-allowed amounts for these services range $39–$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 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsv Vacc, Pref a and Pref B/Pfbrand: Abrysvo | 254 | 253 |
| Levothyroxine Sodium | 178 | 19 |
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 174 | 174 |
| Sertraline Hcl | 147 | 17 |
| Atorvastatin Calcium | 144 | 20 |
| Amlodipine Besylate | 111 | 14 |
| Donepezil Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2025-05-13
- Certified
- 2025-05-13
Frequently asked questions
- What is William Mills's NPI number?
- William Mills's National Provider Identifier (NPI) is 1215140587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mills's specialty?
- William Mills is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Mills located?
- William Mills's practice location on file with NPPES is 3733 Park East Dr Ste 220, Beachwood, OH 44122-4337.
- What is William Mills's phone number?
- The practice phone number listed in the NPPES registry for William Mills is (440) 368-6868.
- Does William Mills accept Medicare?
- William Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mills's NPI active?
- Yes — William Mills's NPI (1215140587) is active in the NPPES registry as of the last update on 2025-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.