Tianna Marie Mack, DO
Family Medicine Physician · Cheyenne, WY
Tianna Marie Mack, DO is a family medicine physician with a practice address in Cheyenne, Wyoming, and NPI 1912643891, issued on May 12, 2022. Check the license (Wyoming 210-T1, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Tianna Marie Mack
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 210-T1 WY
Self-reported in NPPES; status is on the state search - Practice location
- 820 E 17TH St, Cheyenne, WY 82001
- Phone
- (307) 632-2434
- Enumerated
- May 12, 2022
- Record last updated
- Jul 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20260420001054); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 400 in Wyoming → Look up another NPI →
Also registered at 820 E 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tianna Marie Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 210-T1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
353 Medicare Part D claims for 40 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Lisinopril26 claims
- Atorvastatin Calcium22 claims
- Losartan Potassium19 claims
- Rosuvastatin Calcium15 claims
- Ozempic14 claims
- Levothyroxine Sodium13 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
- Uptown Community Health Center IncDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tianna Marie Mack among 400 family medicine physician records in Wyoming
Tianna Marie Mack, DO is one of 400 family medicine physician records with a practice address in Wyoming. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2009 among the 229 with a school on file
- Record last updated2022 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 family medicine physician records list a practice address in Cheyenne
They are 77 of the 2,782 NPPES records with a practice address in Cheyenne, and 400 family medicine physician records in Wyoming.
All 400 in Wyoming → Every provider in Cheyenne → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nancy Bergquist, MD, DCCheyenne, WY 820011336290683
- Jason Bloomberg, M.D.Cheyenne, WY 820011588772115
- Deborah Brackett, MDCheyenne, WY 820011306978580
- Lisa Brandes, MDCheyenne, WY 820011720186471
- Tamara Cottam, M.D.Cheyenne, WY 820011164488185
- Joseph Dobson, M.D.Cheyenne, WY 820011184645632
- James Johnson, M.D.Cheyenne, WY 820011699870923
- Karen Leung, MDCheyenne, WY 820011730211905
Common questions
What is Tianna Marie Mack, DO's NPI number?
Tianna Marie Mack, DO's National Provider Identifier (NPI) is 1912643891, issued on May 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Tianna Marie Mack, DO located?
The NPPES record lists a practice address at 820 E 17TH St, Cheyenne, WY, 82001. Phone: (307) 632-2434. Providers update this record themselves, so call before visiting.
How can I verify Tianna Marie Mack, DO's license?
NPPES lists Wyoming license number 210-T1, 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 Tianna Marie Mack, DO prescribe under Medicare Part D?
In 2024, Tianna Marie Mack, DO had 353 Medicare Part D claims for 40 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.