NPPES file of Aug 9, 2026

Kristin D. Mason, M.D.

Physical Medicine & Rehabilitation Physician · Thornton, CO

Kristin D. Mason, M.D. is a physical medicine & rehabilitation physician with a practice address in Thornton, Colorado, and NPI 1164482881, issued on Mar 25, 2006. Check the license (Colorado 39837, 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
1164482881
Name
Kristin D. Mason
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
39837 CO
Self-reported in NPPES; status is on the state search
Practice location
9025 Grant St, Thornton, CO 80229
Phone
(303) 286-2888
Enumerated
Mar 25, 2006
Record last updated
Nov 23, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(303) 286-4036
Medicaid ID
11283271 CO
Medicare enrollment
Enrolled (PECOS I20101104001045); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1988
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 9025 Grant St

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

  1. Janelle Kramer, MA, NCCCounselor1972033181
  2. George Leimbach, M.D.Physical Medicine & Rehabilitation Physician1013902790
  3. Kozue Tyler, AU.D.Audiologist1891946562

Verify Kristin D. Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 39837
    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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11% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

806 Medicare Part D claims for 45 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 366 claims were for opioids.

  1. Kristin Mason806
  2. Specialty average727

Most prescribed

  1. Oxycodone Hcl133 claims
  2. Gabapentin72 claims
  3. Morphine Sulfate Er67 claims
  4. Hydrocodone-Acetaminophen47 claims
  5. Oxycodone-Acetaminophen35 claims
  6. Trazodone Hcl35 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. Rehabilitation Associates OF Colorado PCCentennial, CO

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

Kristin D. Mason among 356 physical medicine & rehabilitation physician records in Colorado

Kristin D. Mason, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 66% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1988 · median 2007 among the 165 with a school on file
  • Record last updated2010 · 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.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Roberta Anderson-Oeser, MDThornton, CO 802291083670558
  2. Catherine Kent, P.T.Thornton, CO 802291114042959
  3. George Leimbach, M.D.Thornton, CO 802291013902790
  4. Daniel Maxwell, PTAThornton, CO 802291033636022
  5. Nicholas Olsen, D.O.Thornton, CO 802291063472785
  6. Franklin Shih, M.D.Thornton, CO 802291497715973
  7. Troy Giordano, DPTLakewood, CO 802281104601285
  8. Pamela Knight, M.D.Denver, CO 802301942258512

Common questions

What is Kristin D. Mason, M.D.'s NPI number?

Kristin D. Mason, M.D.'s National Provider Identifier (NPI) is 1164482881, issued on Mar 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kristin D. Mason, M.D. located?

The NPPES record lists a practice address at 9025 Grant St, Thornton, CO, 80229. Phone: (303) 286-2888. Providers update this record themselves, so call before visiting.

How can I verify Kristin D. Mason, M.D.'s license?

NPPES lists Colorado license number 39837, 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 Kristin D. Mason, M.D. prescribe under Medicare Part D?

In 2024, Kristin D. Mason, M.D. had 806 Medicare Part D claims for 45 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.