John R. Barker, M.D.
Orthopaedic Surgery Physician · Lone Tree, CO
John R. Barker, M.D. is an orthopaedic surgery physician with a practice address in Lone Tree, Colorado, and NPI 1013919117, issued on Aug 10, 2005. Check the license (Colorado 38445, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- John R. Barker
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 38445 CO
Self-reported in NPPES; status is on the state search - Practice location
- 10103 Ridgegate Pkwy, Lone Tree, CO 80124
- Phone
- (303) 225-8120
- Enumerated
- Aug 10, 2005
- Record last updated
- Dec 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (303) 225-8130
- Medicaid ID
- 17726816 CO
- Medicare enrollment
- Enrolled (PECOS I20100805000433); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 471 in Colorado → Look up another NPI →
Also registered at 10103 Ridgegate Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Douglas Benson, MDColon & Rectal Surgery Physician1033265624
- Kenneth Blake, MDColon & Rectal Surgery Physician1174622070
- Erik Bomsta, CNIMElectroneurodiagnostic Specialist/Technologist1700091741
- Melissa Bomsta, CNIMElectroneurodiagnostic Specialist/Technologist1629283668
- Joseph Catalano, DDSOral and Maxillofacial Surgery (Dentist)1902988629
Verify John R. Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 38445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
381 Medicare Part D claims for 135 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 160 claims were for opioids.
Most prescribed
- Gabapentin60 claims
- Tramadol Hcl56 claims
- Oxycodone Hcl54 claims
- Methocarbamol33 claims
- Hydrocodone-Acetaminophen32 claims
- Meloxicam24 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): 100 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: $2,238.92
26 payments; by number, the most common kind was food and beverage; the largest payer was Medacta USA, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Healthone Clinic Services-Surgical Specialties LLCLone Tree, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John R. Barker among 471 orthopaedic surgery physician records in Colorado
John R. Barker, M.D. is one of 471 orthopaedic surgery physician records with a practice address in Colorado. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1995 · median 2007 among the 290 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 orthopaedic surgery physician records list a practice address in Lone Tree
They are 25 of the 1,405 NPPES records with a practice address in Lone Tree, and 471 orthopaedic surgery physician records in Colorado.
All 471 in Colorado → Every provider in Lone Tree → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Cale Bonds, MDLone Tree, CO 801241104817493
- Mark Fitzgerald, MDLone Tree, CO 801241124199682
- Robert Greenhow, MDLone Tree, CO 801241518937291
- Richard Hathaway, M.D.Lone Tree, CO 801241548304348
- Paul Hautamaa, M.D.Lone Tree, CO 801241124162847
- Eric Jamrich, M.D.Lone Tree, CO 801241134120884
- David Kim, MDLone Tree, CO 801241225165251
- David Loucks, MDLone Tree, CO 801241699745836
Common questions
What is John R. Barker, M.D.'s NPI number?
John R. Barker, M.D.'s National Provider Identifier (NPI) is 1013919117, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John R. Barker, M.D. located?
The NPPES record lists a practice address at 10103 Ridgegate Pkwy, Lone Tree, CO, 80124. Phone: (303) 225-8120. Providers update this record themselves, so call before visiting.
How can I verify John R. Barker, M.D.'s license?
NPPES lists Colorado license number 38445, 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 R. Barker, M.D. prescribe under Medicare Part D?
In 2024, John R. Barker, M.D. had 381 Medicare Part D claims for 135 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is John R. Barker, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.