NPPES file of Aug 9, 2026

Sarah Catherine Mills, DO

Internal Medicine Physician · Oklahoma City, OK

Sarah Catherine Mills, DO is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1528621497, issued on Apr 17, 2019. Check the license (Oklahoma 8277, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1528621497
Name
Sarah Catherine Mills
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
8277 OK
05049 KY
U6641 TX
Self-reported in NPPES; status is on the state search
Practice location
700 NE 13TH St Ste 1A, Oklahoma City, OK 73104
Phone
(405) 271-8001
Enumerated
Apr 17, 2019
Record last updated
Oct 14, 2024
Medicaid ID
7100760660 KY
Medicare enrollment
Enrolled (PECOS I20210928001938); 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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Verify Sarah Catherine Mills in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 8277
    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 Oklahoma license search

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

140 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Sarah Mills140
  2. Specialty average3,176

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.

Industry payments in 2024: $23.36

1 payment: food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Mills$23.36
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 4 group practices

  1. Cogent Healthcare OF Kentucky, PscLexington, KY
  2. Hospital Medicine OF AK LLCAnchorage, AK
  3. OU Health Partners IncOklahoma City, OK
  4. University OF KentuckyLexington, KY

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

Sarah Catherine Mills among 1,115 internal medicine physician records in Oklahoma

Sarah Catherine Mills, DO is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 75% of them.

  • NPI issued2019 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2019 · median 2007 among the 653 with a school on file
  • Record last updated2024 · 56% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

418 internal medicine physician records list a practice address in Oklahoma City

They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Allee, MDOklahoma City, OK 731041255309597
  2. M Andrews, MDOklahoma City, OK 731041982672226
  3. Steve Blevins, MDOklahoma City, OK 731041538138565
  4. Dale Bratzler, D.O.Oklahoma City, OK 731041841272192
  5. Shouvik Chakrabarty, MDOklahoma City, OK 731041487622726
  6. Charles Folger, MDOklahoma City, OK 731041235105933
  7. Carlota Hernandez, M.D.Oklahoma City, OK 731041952373045
  8. Farrukh Jawaid, M.D.Oklahoma City, OK 731041366495616

Common questions

What is Sarah Catherine Mills, DO's NPI number?

Sarah Catherine Mills, DO's National Provider Identifier (NPI) is 1528621497, issued on Apr 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Catherine Mills, DO located?

The NPPES record lists a practice address at 700 NE 13TH St Ste 1A, Oklahoma City, OK, 73104. Phone: (405) 271-8001. Providers update this record themselves, so call before visiting.

How can I verify Sarah Catherine Mills, DO's license?

NPPES lists Oklahoma license number 8277, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Catherine Mills, DO prescribe under Medicare Part D?

In 2024, Sarah Catherine Mills, DO had 140 Medicare Part D claims for 61 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.