John Thomas Campbell, M.D.
Family Medicine Physician · Castle Rock, CO
John Thomas Campbell, M.D. is a family medicine physician with a practice address in Castle Rock, Colorado, and NPI 1053373415, issued on Apr 3, 2006. Check the license (Colorado 40745, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Thomas Campbell
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 40745 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4386 Trail Boss Dr, Castle Rock, CO 80104
- Phone
- (303) 688-8666
- Enumerated
- Apr 3, 2006
- Record last updated
- Jan 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (303) 688-8260
- Medicaid ID
- 56176571 CO
- Medicare enrollment
- Enrolled (PECOS I20040916000102); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 4386 Trail Boss Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Bailey, PA-CPhysician Assistant1700954740
- Ralph Bidwell, P.T.Physical Therapist1306966221
- Anthony Cerullo, PA-CMedical Physician Assistant1346271210
- Lionel Gottschalk, MDSports Medicine (Orthopaedic Surgery) Physician1427292895
- Beth Hoekstra, PA-CPhysician Assistant1922272772
- Thomas HoustonSurgical Assistant1114624129
Verify John Thomas Campbell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 40745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average family medicine physician in 2024
1,322 Medicare Part D claims for 233 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium117 claims
- Lisinopril62 claims
- Levothyroxine Sodium60 claims
- Amlodipine Besylate56 claims
- Rosuvastatin Calcium51 claims
- Omeprazole45 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.
The MIPS final score for 2023 (Medicare payment program): 82.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,035.38
55 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- KC Medical PCCastle Rock, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Thomas Campbell among 3,563 family medicine physician records in Colorado
John Thomas Campbell, M.D. is one of 3,563 family medicine physician records with a practice address in Colorado. 76% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1996 · median 2008 among the 2,077 with a school on file
- Record last updated2011 · 58% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family medicine physician records list a practice address in Castle Rock
They are 45 of the 1,319 NPPES records with a practice address in Castle Rock, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Castle Rock → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christopher Carpenter, M.D.Castle Rock, CO 801041508846023
- Ann Engel, M.D.Castle Rock, CO 801041285743385
- Jack England, D.O.Castle Rock, CO 801041609856749
- Deborah Fromm, MDCastle Rock, CO 801041467492090
- Belton Hallmark, M.D.Castle Rock, CO 801041225018633
- Louis Kasunic, D.O.Castle Rock, CO 801041912083296
- Doris Kleinert, M.D.Castle Rock, CO 801041861474751
- Preston Nein, M.D.Castle Rock, CO 801041194807404
Common questions
What is John Thomas Campbell, M.D.'s NPI number?
John Thomas Campbell, M.D.'s National Provider Identifier (NPI) is 1053373415, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Campbell, M.D. located?
The NPPES record lists a practice address at 4386 Trail Boss Dr, Castle Rock, CO, 80104. Phone: (303) 688-8666. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Campbell, M.D.'s license?
NPPES lists Colorado license number 40745, 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 John Thomas Campbell, M.D. prescribe under Medicare Part D?
In 2024, John Thomas Campbell, M.D. had 1,322 Medicare Part D claims for 233 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John Thomas Campbell, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.