Sierra Dawn Gross, M.D.
Internal Medicine Physician · Sheridan, WY
Sierra Dawn Gross, M.D. is an internal medicine physician with a practice address in Sheridan, Wyoming, and NPI 1649698366, issued on Mar 31, 2014. Check the license (Wyoming 10930A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Sierra Dawn Gross
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 10930A WY
Self-reported in NPPES; status is on the state search - Practice location
- 1333 W 5TH St, Ste 112, Sheridan, WY 82801
- Phone
- (307) 675-2650
- Enumerated
- Mar 31, 2014
- Record last updated
- Oct 17, 2025
- Fax
- (307) 675-2651
- Medicaid ID
- 147313100 WY
- Medicare enrollment
- Enrolled (PECOS I20171016002766); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 134 in Wyoming → Look up another NPI →
Also registered at 1333 W 5TH St, Ste 112
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juli Ackerman, MDInternal Medicine Physician1619292927
- Hannah Hall, M.D.Internal Medicine Physician1124343934
- David Walker, DOInternal Medicine Physician1639142508
- Kimberlee Williams, FNPFamily Nurse Practitioner1356696371
Verify Sierra Dawn Gross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 10930ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
170 Medicare Part D claims for 67 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Clopidogrel12 claims
- Pantoprazole Sodium12 claims
- Atorvastatin Calcium11 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).
Bills Medicare through one group practice
- Memorial Hospital OF Sheridan CountySheridan, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sierra Dawn Gross among 134 internal medicine physician records in Wyoming
Sierra Dawn Gross, M.D. is one of 134 internal medicine 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 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2013 · median 2010 among the 77 with a school on file
- Record last updated2025 · 57% 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 Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in Sheridan
They are 22 of the 860 NPPES records with a practice address in Sheridan, and 134 internal medicine physician records in Wyoming.
All 134 in Wyoming → Every provider in Sheridan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Juli Ackerman, MDSheridan, WY 828011619292927
- Rita Cherni-Smith, MDSheridan, WY 828011265466643
- Roberto Fars, M.D.Sheridan, WY 828011417053836
- Kim Fehir, M.D.Sheridan, WY 828011316929409
- Laura Ferries, MDSheridan, WY 828011700827557
- Charles Graves, MDSheridan, WY 828011255441655
- Hannah Hall, M.D.Sheridan, WY 828011124343934
- Erin Henderson, M.D.Sheridan, WY 828011063663102
Common questions
What is Sierra Dawn Gross, M.D.'s NPI number?
Sierra Dawn Gross, M.D.'s National Provider Identifier (NPI) is 1649698366, issued on Mar 31, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sierra Dawn Gross, M.D. located?
The NPPES record lists a practice address at 1333 W 5TH St, Ste 112, Sheridan, WY, 82801. Phone: (307) 675-2650. Providers update this record themselves, so call before visiting.
How can I verify Sierra Dawn Gross, M.D.'s license?
NPPES lists Wyoming license number 10930A, 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 Sierra Dawn Gross, M.D. prescribe under Medicare Part D?
In 2024, Sierra Dawn Gross, M.D. had 170 Medicare Part D claims for 67 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sierra Dawn Gross, 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.