Kirk Ernest Mitchell, MD
Geriatric Medicine (Internal Medicine) Physician · Longmont, CO
Kirk Ernest Mitchell, MD is a geriatric medicine (internal medicine) physician with a practice address in Longmont, Colorado, and NPI 1811149685, issued on Oct 10, 2008. Check the license (Colorado DR.0049886, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kirk Ernest Mitchell
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- DR.0049886 CO
8019A WY
Self-reported in NPPES; status is on the state search - Practice location
- 5390 Saint Vrain RD, Longmont, CO 80503
- Phone
- (303) 859-9722
- Enumerated
- Oct 10, 2008
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (303) 484-3578
- Medicaid ID
- 08227519 CO
- Medicare enrollment
- Enrolled (PECOS I20250421002658); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 103 in Colorado → Look up another NPI →
Also registered at 5390 Saint Vrain RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Zamora, LPNLicensed Practical Nurse1477299451
Verify Kirk Ernest Mitchell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0049886Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,568 Medicare Part D claims for 367 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atovaquone-Proguanil Hcl189 claims
- Azithromycin169 claims
- Eliquis87 claims
- Sertraline Hcl72 claims
- Furosemide48 claims
- Potassium Chloride41 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.
Industry payments in 2024: $41.51
3 payments; by number, the most common kind was food and beverage; the largest payer was BioWound Solutions, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 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
- Compassionate Concierge Physicians LLCCheyenne, WY
- Kirk Mitchell MD PAFort Worth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kirk Ernest Mitchell among 103 geriatric medicine (internal medicine) physician records in Colorado
Kirk Ernest Mitchell, MD is one of 103 geriatric medicine (internal medicine) physician records with a practice address in Colorado. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 70% of them.
- NPI issued2008 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2006 · median 1998 among the 51 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Colorado
There are 103 geriatric medicine (internal medicine) physician records in Colorado.
All 103 in Colorado → Every provider in Longmont → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Karyn Leible, MDLoveland, CO 805371043226368
- Shad Grubbs, MDBrighton, CO 806011982651899
- Mark Adams, MDGolden, CO 804031881682888
- Chang Kang, M.D.Golden, CO 804031689675852
- Donald Murphy, MDGolden, CO 804031013004589
- Bookanakere Niranjan, M.D., M.P.H.Golden, CO 804031114010436
- Timothy Rodgers, M. D.Golden, CO 804031215939541
- Mary Tuuk, MDGolden, CO 804031174630701
Common questions
What is Kirk Ernest Mitchell, MD's NPI number?
Kirk Ernest Mitchell, MD's National Provider Identifier (NPI) is 1811149685, issued on Oct 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Kirk Ernest Mitchell, MD located?
The NPPES record lists a practice address at 5390 Saint Vrain RD, Longmont, CO, 80503. Phone: (303) 859-9722. Providers update this record themselves, so call before visiting.
How can I verify Kirk Ernest Mitchell, MD's license?
NPPES lists Colorado license number DR.0049886, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kirk Ernest Mitchell, MD prescribe under Medicare Part D?
In 2024, Kirk Ernest Mitchell, MD had 1,568 Medicare Part D claims for 367 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.