NPPES file of Aug 9, 2026

Matthew H. Blomquist, M.D.

Diagnostic Radiology Physician · Boulder, CO

Matthew H. Blomquist, M.D. is a diagnostic radiology physician with a practice address in Boulder, Colorado, and NPI 1487629036, issued on Feb 17, 2006. Check the license (Colorado 35493, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487629036
Name
Matthew H. Blomquist
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
35493 CO
Self-reported in NPPES; status is on the state search
Practice location
4747 Arapahoe Ave, Boulder, CO 80303
Phone
(303) 415-7500
Enumerated
Feb 17, 2006
Record last updated
Mar 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
01354935 CO
Medicare enrollment
Enrolled (PECOS I20100513000773); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1991
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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8 nearest diagnostic radiology physician records → All 796 in Colorado → Look up another NPI →

Also registered at 4747 Arapahoe Ave

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

  1. Aaron Adler, MDAnesthesiology Physician1932738358
  2. Jeska Albuisson, M.D.Internal Medicine Physician1184899320
  3. Carl Aldin, MDInternal Medicine Physician1932728565
  4. Chase Allen, PHARMDPharmacist1902727399
  5. Alice Ames, RDNRegistered Dietitian1013631084
  6. Lowell Anderson-Reitz, NPAdult Health Nurse Practitioner1255374849

Verify Matthew H. Blomquist in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 35493    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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Bills Medicare through one group practice

  1. Boulder Radiologists Inc P CBoulder, CO

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

Matthew H. Blomquist among 796 diagnostic radiology physician records in Colorado

Matthew H. Blomquist, M.D. is one of 796 diagnostic radiology 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 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1991 · median 2006 among the 562 with a school on file
  • Record last updated2021 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Colorado

There are 796 diagnostic radiology physician records in Colorado.

All 796 in Colorado → Every provider in Boulder → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Gustavo Isuani, M.D.Boulder, CO 803031073588778
  2. Paul King, M.D.Boulder, CO 803031215902770
  3. Roger Nichols, M.D.Boulder, CO 803031336114891
  4. Charles Bowles, M.D.Boulder, CO 803041417922105
  5. Francis Donahue, D.O.Boulder, CO 803021053496687
  6. Richard Finer, M.D.Boulder, CO 803041669465001
  7. John Grantham, M.D.Boulder, CO 803041992789614
  8. Robert Helgans, M.D.Boulder, CO 803041295728780

Common questions

What is Matthew H. Blomquist, M.D.'s NPI number?

Matthew H. Blomquist, M.D.'s National Provider Identifier (NPI) is 1487629036, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew H. Blomquist, M.D. located?

The NPPES record lists a practice address at 4747 Arapahoe Ave, Boulder, CO, 80303. Phone: (303) 415-7500. Providers update this record themselves, so call before visiting.

How can I verify Matthew H. Blomquist, M.D.'s license?

NPPES lists Colorado license number 35493, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.