NPPES file of Aug 9, 2026

David Bolshoun, M.D.

Internal Medicine Physician · Denver, CO

David Bolshoun, M.D. is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1174618086, issued on Oct 4, 2006. Check the license (Colorado 39240, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174618086
Name
David Bolshoun
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
39240 CO
Self-reported in NPPES; status is on the state search
Practice location
6311 E 14TH Ave, Denver, CO 80220
Phone
(303) 333-6434
Enumerated
Oct 4, 2006
Record last updated
Feb 5, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(303) 333-6505
Medicare enrollment
Enrolled (PECOS I20050913000953); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 1995
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6311 E 14TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Edith Lovegren, MD, PHDGeriatric Medicine (Internal Medicine) Physician1871688838
  2. Larry Plunkett, M.D.Internal Medicine Physician1427143338

Verify David Bolshoun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 39240
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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37% more Medicare Part D claims than the average internal medicine physician in 2024

4,361 Medicare Part D claims for 433 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 55 claims were for opioids.

  1. David Bolshoun4,361
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium405 claims
  2. Amlodipine Besylate204 claims
  3. Lisinopril188 claims
  4. Levothyroxine Sodium164 claims
  5. Tamsulosin Hcl155 claims
  6. Simvastatin117 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

  1. Alpine Medical Group Colorado PLLCDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Bolshoun among 2,046 internal medicine physician records in Colorado

David Bolshoun, 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1995 · median 2006 among the 1,090 with a school on file
  • Record last updated2013 · 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).

493 internal medicine physician records list a practice address in Denver

They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Igor Borisov, MDDenver, CO 802201235134008
  2. Brent Cohen, MDDenver, CO 802201427042142
  3. Jennifer Gaudiani, MDDenver, CO 802201831172063
  4. Ravi Gopal, M.D.Denver, CO 802201376517342
  5. Stanley Kerstein, MDDenver, CO 802201750325650
  6. Thomas Li, MDDenver, CO 802201023005576
  7. Connor McBryde, M.D.Denver, CO 802201760459275
  8. Michael Metros, MDDenver, CO 802201134186646

Common questions

What is David Bolshoun, M.D.'s NPI number?

David Bolshoun, M.D.'s National Provider Identifier (NPI) is 1174618086, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Bolshoun, M.D. located?

The NPPES record lists a practice address at 6311 E 14TH Ave, Denver, CO, 80220. Phone: (303) 333-6434. Providers update this record themselves, so call before visiting.

How can I verify David Bolshoun, M.D.'s license?

NPPES lists Colorado license number 39240, 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 David Bolshoun, M.D. prescribe under Medicare Part D?

In 2024, David Bolshoun, M.D. had 4,361 Medicare Part D claims for 433 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.