Ross Colt, M.D.
Family Medicine Physician · Tacoma, WA
Ross Colt, M.D. is a family medicine physician with a practice address in Tacoma, Washington, and NPI 1578598637, issued on Jul 11, 2006. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Ross Colt
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C155729 CA
Self-reported in NPPES; status is on the state search - Practice location
- Madigan Army Medical Ctr, Tacoma, WA 98431
- Phone
- (253) 968-1335
- Enumerated
- Jul 11, 2006
- Record last updated
- Sep 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (253) 968-2608
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at Madigan Army Medical Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha AlcockNurse's Aide1265881866
- Dennis Allison, CRNACertified Registered Nurse Anesthetist1750356937
- Gregory Anderson, MDFamily Medicine Physician1235299371
- Samantha Arce, PSY.D.Clinical Psychologist1538210067
- Hillary Arnold, D.O.Family Medicine Physician1457340333
- Cristopher Ayala, LPNLicensed Vocational Nurse1760933824
Verify Ross Colt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
120 Medicare Part D claims for 18 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl16 claims
- Amlodipine Besylate13 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.
Ross Colt among 5,534 family medicine physician records in Washington
Ross Colt, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
363 family medicine physician records list a practice address in Tacoma
They are 363 of the 13,715 NPPES records with a practice address in Tacoma, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Tacoma → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Hillary Arnold, D.O.Tacoma, WA 984311457340333
- Muhammad Ayub, MDTacoma, WA 984311386641694
- Gary Clark, MDTacoma, WA 984311205816543
- John Edwards, M.D., MPHTacoma, WA 984311366412983
- Diane Flynn, MDTacoma, WA 984311326028358
- Camille Gardner-Beasley, M.D.Joint Base Lewis McChord, WA 984311548246085
- Matthew Gervais, MDTacoma, WA 984311790760395
- Victoria Hughes, D.O.Tacoma, WA 984311891760856
Common questions
What is Ross Colt, M.D.'s NPI number?
Ross Colt, M.D.'s National Provider Identifier (NPI) is 1578598637, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ross Colt, M.D. located?
The NPPES record lists a practice address at Madigan Army Medical Ctr, Tacoma, WA, 98431. Phone: (253) 968-1335. Providers update this record themselves, so call before visiting.
How can I verify Ross Colt, M.D.'s license?
Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ross Colt, M.D. prescribe under Medicare Part D?
In 2024, Ross Colt, M.D. had 120 Medicare Part D claims for 18 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.