Justin J. Tanner, M.D.
Internal Medicine Physician · Montrose, CO
Justin J. Tanner, M.D. is an internal medicine physician with a practice address in Montrose, Colorado, and NPI 1245436658, issued on Jun 22, 2007. Check the license (Colorado 2350, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Justin J. Tanner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2350 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3330 S Rio Grande Ave, Montrose, CO 81401
- Phone
- (970) 249-7751
- Enumerated
- Jun 22, 2007
- Record last updated
- Nov 25, 2024
- Fax
- (970) 249-5029
- Medicare enrollment
- Enrolled (PECOS I20100726000323); accepts Medicare assignment
- Medical or professional school
- Toledo Medical College, 2010
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 3330 S Rio Grande Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie Abbinante, NPNurse Practitioner1295118610
- Rachel Baylor, CNMAdvanced Practice Midwife1336957588
- Kaylee Danielson, LCSWClinical Social Worker1073326443
- Ryan Hagens, MDPain Medicine (Physical Medicine & Rehabilitation) Physician1073008991
- Robert Harmon, MD/PHDGastroenterology Physician1669684643
- Victoria Oliva, APRNFamily Nurse Practitioner1801406194
Verify Justin J. Tanner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 2350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
140 Medicare Part D claims for 56 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of 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: $71.43
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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 one group practice
- Montrose Memorial Hospital, IncMontrose, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin J. Tanner among 2,046 internal medicine physician records in Colorado
Justin J. Tanner, M.D. is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 39% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2010 · median 2006 among the 1,090 with a school on file
- Record last updated2024 · 61% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in Montrose
They are 12 of the 757 NPPES records with a practice address in Montrose, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Montrose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andrew Bolton, M.D., M.P.HMontrose, CO 814011376961367
- Michael Brezinsky, M.D.Montrose, CO 814011245233378
- Christine Gieszl, MDMontrose, CO 814011336199066
- Kenneth Harris, MDMontrose, CO 814011184698516
- Carol Harrold, MDMontrose, CO 814011912959420
- Marietta King, NPMontrose, CO 814011790550804
- John Lambert, M.D.Montrose, CO 814011407859549
- Bryce Lokey, MDMontrose, CO 814011811034184
Common questions
What is Justin J. Tanner, M.D.'s NPI number?
Justin J. Tanner, M.D.'s National Provider Identifier (NPI) is 1245436658, issued on Jun 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Justin J. Tanner, M.D. located?
The NPPES record lists a practice address at 3330 S Rio Grande Ave, Montrose, CO, 81401. Phone: (970) 249-7751. Providers update this record themselves, so call before visiting.
How can I verify Justin J. Tanner, M.D.'s license?
NPPES lists Colorado license number 2350, 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 Justin J. Tanner, M.D. prescribe under Medicare Part D?
In 2024, Justin J. Tanner, M.D. had 140 Medicare Part D claims for 56 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.