NPPES file of Aug 9, 2026

Chad Robert Zimmerman, DC

Chiropractor · Boulder, CO

Chad Robert Zimmerman, DC is a chiropractor with a practice address in Boulder, Colorado, and NPI 1225106099, issued on Dec 1, 2006. Check the license (Colorado 5765, as entered in NPPES) with the Colorado board that licenses this profession; 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
1225106099
Name
Chad Robert Zimmerman
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
5765 CO
Self-reported in NPPES; status is on the state search
Practice location
4800 Baseline RD Ste C110, Boulder, CO 80303
Phone
(303) 494-2800
Enumerated
Dec 1, 2006
Record last updated
Feb 11, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(303) 499-8007
Medicare enrollment
Enrolled (PECOS I20090312000142); may accept Medicare assignment
Medical or professional school
New York Chiropractic College, 1999
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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Verify Chad Robert Zimmerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 5765
    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
Find 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. Clinic Fhsc PCWest Fargo, ND

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

Chad Robert Zimmerman among 2,349 chiropractor records in Colorado

Chad Robert Zimmerman, DC is one of 2,349 chiropractor records with a practice address in Colorado. 12% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 74% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1999 · median 2006 among the 646 with a school on file
  • Record last updated2008 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

116 chiropractor records list a practice address in Boulder

They are 116 of the 5,635 NPPES records with a practice address in Boulder, and 2,349 chiropractor records in Colorado.

The 8 chiropractor records with the nearest ZIP codes

  1. Zoe Belka, D.C.Boulder, CO 803031083062830
  2. Tiffany Burkley, RMT, LMT,Boulder, CO 803031174861884
  3. Brittany Downing, D.C.Boulder, CO 803031104254697
  4. Elizabeth Garfield, D.C.Boulder, CO 803031215077078
  5. Richard Hansen, D.C.Boulder, CO 803031972740538
  6. Beth Hoffman, D.C.Boulder, CO 803031982627717
  7. James Irelan, D.C.Boulder, CO 803031881642502
  8. Michael Law, D.C.Boulder, CO 803031619183860

Common questions

What is Chad Robert Zimmerman, DC's NPI number?

Chad Robert Zimmerman, DC's National Provider Identifier (NPI) is 1225106099, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chad Robert Zimmerman, DC located?

The NPPES record lists a practice address at 4800 Baseline RD Ste C110, Boulder, CO, 80303. Phone: (303) 494-2800. Providers update this record themselves, so call before visiting.

How can I verify Chad Robert Zimmerman, DC's license?

NPPES lists Colorado license number 5765, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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.