NPPES file of Aug 9, 2026

William Robert Mills, M.D.

Internal Medicine Physician · Beachwood, OH

William Robert Mills, M.D. is an internal medicine physician with a practice address in Beachwood, Ohio, and NPI 1215140587, issued on May 7, 2007. Check the license (Ohio 35083334, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215140587
Name
William Robert Mills
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35083334 OH
Self-reported in NPPES; status is on the state search
Practice location
3733 Park East Dr Ste 220, Beachwood, OH 44122
Phone
(440) 368-6868
Enumerated
May 7, 2007
Record last updated
May 13, 2025
Fax
(855) 453-5010
Medicaid ID
2835778 OH
Medicare enrollment
Enrolled (PECOS I20080910000295); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3733 Park East Dr Ste 220

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erin MurrayFamily Nurse Practitioner1023653029

Verify William Robert Mills in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35083334
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Most of these Medicare Part D claims are vaccines, 72% of the cost of the top drugs

3,234 Medicare Part D claims for 499 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 16 claims were for opioids.

  1. William Mills3,234
  2. Specialty average3,176

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Abrysvo254 claims
  2. Levothyroxine Sodium178 claims
  3. Arexvy174 claims
  4. Sertraline Hcl147 claims
  5. Atorvastatin Calcium144 claims
  6. Amlodipine Besylate111 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Abode Care Partners Ltc VB LLCMason, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Robert Mills among 5,277 internal medicine physician records in Ohio

William Robert Mills, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2002 · median 2006 among the 3,414 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 internal medicine physician records list a practice address in Beachwood

They are 54 of the 2,592 NPPES records with a practice address in Beachwood, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Arun Gupta, MDWarrensville Heights, OH 441221245232958
  2. Geeta Gupta, MDWarrensville Heights, OH 441221538151378
  3. David Gutman, M.D.Beachwood, OH 441221396713749
  4. Joel Kessler, M.D.Beachwood, OH 441221346237294
  5. Kamal Khalafi, M.D.Beachwood, OH 441221992791263
  6. Peter Kibbe, MDShaker Heights, OH 441221487652871
  7. Richard King, MDBeachwood, OH 441221861481350
  8. Fatuma Midamba, M.D.Beachwood, OH 441221982674602

Common questions

What is William Robert Mills, M.D.'s NPI number?

William Robert Mills, M.D.'s National Provider Identifier (NPI) is 1215140587, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Robert Mills, M.D. located?

The NPPES record lists a practice address at 3733 Park East Dr Ste 220, Beachwood, OH, 44122. Phone: (440) 368-6868. Providers update this record themselves, so call before visiting.

How can I verify William Robert Mills, M.D.'s license?

NPPES lists Ohio license number 35083334, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Robert Mills, M.D. prescribe under Medicare Part D?

In 2024, William Robert Mills, M.D. had 3,234 Medicare Part D claims for 499 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.