Charles Martin Watson, PH.D., D.O.
Internal Medicine Physician · Butte, MT
Charles Martin Watson, PH.D., D.O. is an internal medicine physician with a practice address in Butte, Montana, and NPI 1124065792, issued on Jun 1, 2006. Check the license (Montana 13625, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles Martin Watson
- Credential
- PH.D., D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 13625 MT
OP60225814 WA
Self-reported in NPPES; status is on the state search - Practice location
- 400 S Clark St, Butte, MT 59701
- Phone
- (406) 723-2781
- Enumerated
- Jun 1, 2006
- Record last updated
- Jul 10, 2023
- Fax
- (406) 723-2480
- Medicare enrollment
- Enrolled (PECOS I20120327000895); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 324 in Montana → Look up another NPI →
Also registered at 400 S Clark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danae Aplas, MDAnesthesiology Physician1144236498
- Catherine BartholomewPhysical Therapy Assistant1184010787
- Pamela Blando, ATCAthletic Trainer1639208895
- Shelby Box, ATCAthletic Trainer1982825816
- Megan Bristol, MSN, RN, CNMAdvanced Practice Midwife1689327165
- Kendra Brown, NPNurse Practitioner1881171700
Verify Charles Martin Watson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 13625Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Cmsc LLCGreat Falls, MT
- Cogent Healthcare OF Montana P CGreat Falls, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Martin Watson among 324 internal medicine physician records in Montana
Charles Martin Watson, PH.D., D.O. is one of 324 internal medicine physician records with a practice address in Montana. 72% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2006 among the 191 with a school on file
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in Butte
They are 14 of the 744 NPPES records with a practice address in Butte, and 324 internal medicine physician records in Montana.
All 324 in Montana → Every provider in Butte → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jonathan Bodine, D.O.Butte, MT 597011760434740
- David Chamberlain, M.D.Butte, MT 597011861423071
- Florian Cortese, M.D.Butte, MT 597011609804228
- James Drynan, MDButte, MT 597011053480772
- Joe Gregory, DOButte, MT 597011336127463
- Kyler KingstonButte, MT 597011447713250
- Ian Macdonald, DOButte, MT 597011093207318
- John Pullman, MDButte, MT 597011518998426
Common questions
What is Charles Martin Watson, PH.D., D.O.'s NPI number?
Charles Martin Watson, PH.D., D.O.'s National Provider Identifier (NPI) is 1124065792, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Martin Watson, PH.D., D.O. located?
The NPPES record lists a practice address at 400 S Clark St, Butte, MT, 59701. Phone: (406) 723-2781. Providers update this record themselves, so call before visiting.
How can I verify Charles Martin Watson, PH.D., D.O.'s license?
NPPES lists Montana license number 13625, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. 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.
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.