Cheryl S. Cook, MD
Internal Medicine Physician · Billings, MT
Cheryl S. Cook, MD is an internal medicine physician with a practice address in Billings, Montana, and NPI 1336181494, issued on Jun 12, 2006. Check the license (Montana 9822, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Cheryl S. Cook
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 9822 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2900 12TH Ave N, Billings, MT 59101
- Phone
- (406) 237-7999
- Enumerated
- Jun 12, 2006
- Record last updated
- Jan 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (406) 237-7990
- Entity
- Type 1 · individual
Also registered at 2900 12TH Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marion Blackman, ATCAthletic Trainer1053356105
- John Brandon, MDDiagnostic Radiology Physician1912943978
Verify Cheryl S. Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 9822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
80 internal medicine physician records list a practice address in Billings
They are 80 of the 4,035 NPPES records with a practice address in Billings, and 324 internal medicine physician records in Montana.
All 80 in Billings → All 324 in Montana → Every provider in Billings →
Other internal medicine physician records in Montana
- Ryan Adams, MDMissoula, MT1790952653
- Timothy Adams, MDBozeman, MT1891706537
- Dee Althouse, MDHavre, MT1578776118
- Faust Alvarez, MDHelena, MT1962516070
- Rebecca Anderson, MDMissoula, MT1437173440
- Yee Chuan Ang, M.D.Billings, MT1104138668
- Faranak Argani, MDBillings, MT1558475954
- Janet Armstrong, M.D.Glasgow, MT1215949557
- Susan Askin, MDFort Harrison, MT1588771604
- James Attarian, MDBozeman, MT1144209198
Common questions
What is Cheryl S. Cook, MD's NPI number?
Cheryl S. Cook, MD's National Provider Identifier (NPI) is 1336181494, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cheryl S. Cook, MD located?
The NPPES record lists a practice address at 2900 12TH Ave N, Billings, MT, 59101. Phone: (406) 237-7999. Providers update this record themselves, so call before visiting.
How can I verify Cheryl S. Cook, MD's license?
NPPES lists Montana license number 9822, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cheryl S. Cook, MD prescribe under Medicare Part D?
In 2024, Cheryl S. Cook, MD had 11 Medicare Part D claims; 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.