Mark Chan, M.D.
Physical Medicine & Rehabilitation Physician · Boulder, CO
Mark Chan, M.D. is a physical medicine & rehabilitation physician with a practice address in Boulder, Colorado, and NPI 1255569638, issued on Jun 24, 2009. Check the license (Colorado DR.0069232, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Chan
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- DR.0069232 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Mesa Dr, Boulder, CO 80304
- Phone
- (872) 231-3162
- Enumerated
- Jun 24, 2009
- Record last updated
- Oct 8, 2025
- Fax
- (702) 977-1496
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 356 in Colorado → Look up another NPI →
Also registered at 2121 Mesa Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Delayni Braden, CNANurse's Aide1376475665
- Richard Chubbs, PTAPhysical Therapy Assistant1295939841
- Anthony DiongzonPhysical Therapy Assistant1891149167
- Rebecca Drake, MS,CCC-SLPSpeech-Language Pathologist1346782661
- Kristin Fowler, COTAOccupational Therapy Assistant1366948945
- Afsaneh HarrisPhysical Therapist1386838985
Verify Mark Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0069232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
86 Medicare Part D claims for 14 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D.
Most prescribed
- Baclofen21 claims
- Tizanidine Hcl14 claims
- Gabapentin11 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.
Mark Chan among 356 physical medicine & rehabilitation physician records in Colorado
Mark Chan, M.D. is one of 356 physical medicine & rehabilitation physician records with a practice address in Colorado. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 48% of them.
- NPI issued2009 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Colorado
There are 356 physical medicine & rehabilitation physician records in Colorado.
All 356 in Colorado → Every provider in Boulder → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Phil Cambe, M.D.Boulder, CO 803041407839301
- Bradley Gale, M.D.Boulder, CO 803031447670971
- Britt Garcia, PTBoulder, CO 803031053805192
- Justin Green, M.D.Boulder, CO 803031841355971
- Cliff Gronseth, MDBoulder, CO 803031811983802
- Maureen Rimar, PTBoulder, CO 803031801077359
- Julie Stapleton, M.D.Boulder, CO 803031225193279
- John Tobey, MDBoulder, CO 803031013902352
Common questions
What is Mark Chan, M.D.'s NPI number?
Mark Chan, M.D.'s National Provider Identifier (NPI) is 1255569638, issued on Jun 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Chan, M.D. located?
The NPPES record lists a practice address at 2121 Mesa Dr, Boulder, CO, 80304. Phone: (872) 231-3162. Providers update this record themselves, so call before visiting.
How can I verify Mark Chan, M.D.'s license?
NPPES lists Colorado license number DR.0069232, 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 Mark Chan, M.D. prescribe under Medicare Part D?
In 2024, Mark Chan, M.D. had 86 Medicare Part D claims for 14 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.