Michael W. Brennan, M.D.
Cardiovascular Disease Physician · Sheridan, WY
Michael W. Brennan, M.D. is a cardiovascular disease physician with a practice address in Sheridan, Wyoming, and NPI 1619903705, issued on Jun 23, 2006. Check the license (Wyoming 4505A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael W. Brennan
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 4505A WY
6651 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1333 West 5TH St, Ste 103, Sheridan, WY 82801
- Phone
- (307) 675-4610
- Enumerated
- Jun 23, 2006
- Record last updated
- Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (307) 675-4615
- Medicare enrollment
- Enrolled (PECOS I20040413000636); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 26 in Wyoming → Look up another NPI →
Verify Michael W. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 4505ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
840 Medicare Part D claims for 168 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Metoprolol Succinate119 claims
- Eliquis85 claims
- Clopidogrel61 claims
- Rosuvastatin Calcium61 claims
- Atorvastatin Calcium52 claims
- Furosemide49 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 71.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,905.78
13 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Big Horn Health NetworkSheridan, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael W. Brennan among 26 cardiovascular disease physician records in Wyoming
Michael W. Brennan, M.D. is one of 26 cardiovascular disease physician records with a practice address in Wyoming. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 42% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1984 · median 1996 among the 17 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Wyoming
There are 26 cardiovascular disease physician records in Wyoming.
All 26 in Wyoming → Every provider in Sheridan → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Joseph Garcia, MDSheridan, WY 828011376686329
- Daniel Davidovich Young, M.D.Gillette, WY 827181457615544
- Laurence Deboer, M.D.Gillette, WY 827161043315872
- Mansour Khaddr, M.D.Rock Springs, WY 829011124384797
- William Brann, MDEvanston, WY 829301912087826
- Allan Mattern, M.D.Douglas, WY 826331023175635
- Anna Catino, M.D.Jackson, WY 830011427282318
- Adrian Fluture, M.D.Casper, WY 826011982729802
Common questions
What is Michael W. Brennan, M.D.'s NPI number?
Michael W. Brennan, M.D.'s National Provider Identifier (NPI) is 1619903705, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael W. Brennan, M.D. located?
The NPPES record lists a practice address at 1333 West 5TH St, Ste 103, Sheridan, WY, 82801. Phone: (307) 675-4610. Providers update this record themselves, so call before visiting.
How can I verify Michael W. Brennan, M.D.'s license?
NPPES lists Wyoming license number 4505A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael W. Brennan, M.D. prescribe under Medicare Part D?
In 2024, Michael W. Brennan, M.D. had 840 Medicare Part D claims for 168 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Michael W. Brennan, M.D.'s MIPS final score?
The 2023 MIPS final score is 71.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.