NPPES file of Aug 9, 2026

Garrett Lee Chapman, M.D.

Orthopaedic Surgery Physician · Redlands, CA

Garrett Lee Chapman, M.D. is an orthopaedic surgery physician with a practice address in Redlands, California, and NPI 1831457175, issued on Apr 24, 2012. Check the license (California A128846, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831457175
Name
Garrett Lee Chapman
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
A128846 CA
Self-reported in NPPES; status is on the state search
Practice location
2 W Fern Ave, Redlands, CA 92373
Phone
(909) 793-3311
Enumerated
Apr 24, 2012
Record last updated
Dec 7, 2025
Medicare enrollment
Enrolled (PECOS I20181015003119); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →

Also registered at 2 W Fern Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nkeiruka Abanobi, NPWomen's Health Nurse Practitioner1982009007
  2. Hanan Abu Alnaaj, MDFamily Medicine Physician1235319385
  3. James Agee, M.D.Urology Physician1851345722
  4. Arun Agrawal, D.O.Anesthesiology Physician1184677650
  5. Amanda Aguilera, M.D.Diagnostic Radiology Physician1679782049
  6. Onyinye Ahamba, M.DHospitalist Physician1164835237

Verify Garrett Lee Chapman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A128846    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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21% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

272 Medicare Part D claims for 132 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 182 claims were for opioids.

  1. Garrett Chapman272
  2. Specialty average346

Most prescribed

  1. Hydrocodone-Acetaminophen147 claims
  2. Tramadol Hcl29 claims
  3. Cephalexin13 claims
  4. Ampicillin-Sulbactam12 claims
  5. Methylprednisolone11 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: $288.27

5 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, 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.

  1. Garrett Chapman$288
  2. Specialty average$23,023

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

  1. Beaver Medical Group P CRedlands, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Garrett Lee Chapman among 2,276 orthopaedic surgery physician records in California

Garrett Lee Chapman, M.D. 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 2012, is newer than 77% of them.

  • NPI issued2012 · 77% of these records are older, 20% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2012 · median 2003 among the 1,347 with a school on file
  • Record last updated2025 · 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 Redlands → Orthopaedic Surgery Physician nationwide →

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Chad Brockardt, M.D.Redlands, CA 923731063618858
  2. Grigor Grigoryan, MDRedlands, CA 923731750726857
  3. James Stewart, M.D.Redlands, CA 923731316140163
  4. James Watson, M.D.Redlands, CA 923731790724391
  5. Steven Yegge, M.D.Redlands, CA 923731215977541
  6. Jonathan Allen, M.D.Redlands, CA 923741023215357
  7. Paul Burton, DORedlands, CA 923741871532960
  8. Barry Grames, MDRedlands, CA 923741346336088

Common questions

What is Garrett Lee Chapman, M.D.'s NPI number?

Garrett Lee Chapman, M.D.'s National Provider Identifier (NPI) is 1831457175, issued on Apr 24, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Garrett Lee Chapman, M.D. located?

The NPPES record lists a practice address at 2 W Fern Ave, Redlands, CA, 92373. Phone: (909) 793-3311. Providers update this record themselves, so call before visiting.

How can I verify Garrett Lee Chapman, M.D.'s license?

NPPES lists California license number A128846, 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 Garrett Lee Chapman, M.D. prescribe under Medicare Part D?

In 2024, Garrett Lee Chapman, M.D. had 272 Medicare Part D claims for 132 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.