Robert Charles Kollmorgen, D.O.
Orthopaedic Surgery Physician · Clovis, CA
Robert Charles Kollmorgen, D.O. is an orthopaedic surgery physician with a practice address in Clovis, California, and NPI 1760621759, issued on Feb 13, 2009. Check the license (California 20A11856, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Charles Kollmorgen
- Credential
- D.O.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 20A11856 CA
Self-reported in NPPES; status is on the state search - Practice location
- 604 N Magnolia Ave Ste 100, Clovis, CA 93611
- Phone
- (559) 320-0531
- Enumerated
- Feb 13, 2009
- Record last updated
- Jan 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (559) 320-0539
- Medicare enrollment
- Enrolled (PECOS I20170901002893); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 604 N Magnolia Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Allen, DOOrthopaedic Trauma Physician1295220002
- Keiko Amano, MDOrthopaedic Surgery Physician1801139993
- Raj Amin, MDAdult Reconstructive Orthopaedic Surgery Physician1942689393
- Thomas Auerbach, PA-CSurgical Physician Assistant1689291700
- Mark Ayoub, MDOrthopaedic Surgery Physician1689961310
- Deniz Baysal, MD, FRCPOrthopaedic Surgery Physician1992772610
Verify Robert Charles Kollmorgen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11856Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
54 Medicare Part D claims for 33 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $17.05
1 payment: food and beverage; the largest payer was Cornerstone Medical Associates, 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
- Central California Faculty Medical Group IncFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Charles Kollmorgen among 2,276 orthopaedic surgery physician records in California
Robert Charles Kollmorgen, D.O. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.
- NPI issued2009 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2003 among the 1,347 with a school on file
- Record last updated2020 · 66% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Clovis → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Keiko Amano, MDClovis, CA 936111801139993
- Mark Ayoub, MDClovis, CA 936111689961310
- Deniz Baysal, MD, FRCPClovis, CA 936111992772610
- Michael Charles, MDClovis, CA 936111689096786
- Armen Martirosian, MDClovis, CA 936111114087046
- Eric Pagenkopf, M.D.Clovis, CA 936111881762896
- Spencer Woolwine, MDClovis, CA 936111649665092
- Walker Wynkoop, M.D.Los Banos, CA 936351760580427
Common questions
What is Robert Charles Kollmorgen, D.O.'s NPI number?
Robert Charles Kollmorgen, D.O.'s National Provider Identifier (NPI) is 1760621759, issued on Feb 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Robert Charles Kollmorgen, D.O. located?
The NPPES record lists a practice address at 604 N Magnolia Ave Ste 100, Clovis, CA, 93611. Phone: (559) 320-0531. Providers update this record themselves, so call before visiting.
How can I verify Robert Charles Kollmorgen, D.O.'s license?
NPPES lists California license number 20A11856, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Charles Kollmorgen, D.O. prescribe under Medicare Part D?
In 2024, Robert Charles Kollmorgen, D.O. had 54 Medicare Part D claims for 33 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.