David C. Walker, DO
Internal Medicine Physician · Sheridan, WY
David C. Walker, DO is an internal medicine physician with a practice address in Sheridan, Wyoming, and NPI 1639142508, issued on Feb 9, 2006. Check the license (Wyoming TL2282, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- David C. Walker
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- TL2282 WY
4231 SD
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
- Feb 9, 2006
- Record last updated
- May 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (307) 675-2651
- Medicaid ID
- 6003370 SD
- Medicare enrollment
- Enrolled (PECOS I20131011000825); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1994
- Telehealth
- Offers telehealth (CMS)
- 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
- Sierra Gross, M.D.Internal Medicine Physician1649698366
- Hannah Hall, M.D.Internal Medicine Physician1124343934
- Kimberlee Williams, FNPFamily Nurse Practitioner1356696371
Verify David C. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license TL2282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,451 Medicare Part D claims for 607 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 278 claims were for opioids.
Most prescribed
- Levothyroxine Sodium701 claims
- Pantoprazole Sodium427 claims
- Amlodipine Besylate358 claims
- Rosuvastatin Calcium344 claims
- Losartan Potassium321 claims
- Furosemide313 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: $731.95
38 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Big Horn Health NetworkSheridan, WY
- 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).
David C. Walker among 134 internal medicine physician records in Wyoming
David C. Walker, DO 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1994 · median 2010 among the 77 with a school on file
- Record last updated2021 · 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 David C. Walker, DO's NPI number?
David C. Walker, DO's National Provider Identifier (NPI) is 1639142508, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David C. Walker, DO 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 David C. Walker, DO's license?
NPPES lists Wyoming license number TL2282, 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 David C. Walker, DO prescribe under Medicare Part D?
In 2024, David C. Walker, DO had 11,451 Medicare Part D claims for 607 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David C. Walker, DO'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.