NPPES file of Aug 9, 2026

Chris Marker, D.O.

Sports Medicine (Physical Medicine & Rehabilitation) Physician · Huntington Beach, CA

Chris Marker, D.O. is a sports medicine (physical medicine & rehabilitation) physician with a practice address in Huntington Beach, California, and NPI 1891992426, issued on Jun 28, 2007. Check the license (California 20A10510, 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
1891992426
Name
Chris Marker
Credential
D.O.
Primary taxonomy
Sports Medicine (Physical Medicine & Rehabilitation) Physician 2081S0010X
License number
20A10510 CA
Self-reported in NPPES; status is on the state search
Practice location
18800 Delaware St Ste 150, Huntington Beach, CA 92648
Phone
(714) 848-9319
Enumerated
Jun 28, 2007
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20090807000446); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 sports medicine (physical medicine & rehabilitation) physician records → All 127 in California → Look up another NPI →

Verify Chris Marker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A10510    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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5% fewer Medicare Part D claims than the average sports medicine (physical medicine & rehabilitation) physician in 2024

385 Medicare Part D claims for 62 beneficiaries, against an average of 406 among the 410 providers of this specialty who prescribed in Part D. 206 claims were for opioids.

  1. Chris Marker385
  2. Specialty average406

Most prescribed

  1. Gabapentin86 claims
  2. Tramadol Hcl67 claims
  3. Oxycodone-Acetaminophen54 claims
  4. Hydrocodone-Acetaminophen43 claims
  5. Lidocaine20 claims
  6. Acetaminophen-Codeine19 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: $113.27

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 237 providers of this specialty with any payment received $1,359.24 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chris Marker$113.27
  2. Specialty average$1,359.24

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. 360 Sports Spine And Wellness IncHuntington Beach, CA
  2. Xcell Sports And Regenerative Medicine IncCarlsbad, CA

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

Chris Marker among 127 sports medicine (physical medicine & rehabilitation) physician records in California

Chris Marker, D.O. is one of 127 sports medicine (physical medicine & rehabilitation) physician records with a practice address in California. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.

  • NPI issued2007 · 13% of these records are older, 80% newer
  • In a Medicare fileYes · 51% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2004 · median 2015 among the 59 with a school on file
  • Record last updated2022 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081S0010X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Physical Medicine & Rehabilitation) Physician providers in California

There are 127 sports medicine (physical medicine & rehabilitation) physician records in California.

All 127 in California → Every provider in Huntington Beach → Sports Medicine (Physical Medicine & Rehabilitation) Physician nationwide →

The 8 sports medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes

  1. Channing Turner, DPTHuntington Beach, CA 926481194369868
  2. Maryam Rahimi, D.O.Huntington Beach, CA 926461700066149
  3. Homa Azami, MPT, PTLaguna Hills, CA 926531689182982
  4. Shounuck Patel, DONewport Beach, CA 926601356678692
  5. Christopher Decarlo, M.D.Costa Mesa, CA 926261851474852
  6. Rahul Katbamna, MED, ATC, CES, PESIrvine, CA 926201922591155
  7. Anjelica ArellanoLaguna Niguel, CA 926771457175952
  8. Carolyn Chudy, DOIrvine, CA 926181043500218

Common questions

What is Chris Marker, D.O.'s NPI number?

Chris Marker, D.O.'s National Provider Identifier (NPI) is 1891992426, issued on Jun 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Chris Marker, D.O. located?

The NPPES record lists a practice address at 18800 Delaware St Ste 150, Huntington Beach, CA, 92648. Phone: (714) 848-9319. Providers update this record themselves, so call before visiting.

How can I verify Chris Marker, D.O.'s license?

NPPES lists California license number 20A10510, 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 Chris Marker, D.O. prescribe under Medicare Part D?

In 2024, Chris Marker, D.O. had 385 Medicare Part D claims for 62 beneficiaries; the average among sports medicine (physical medicine & rehabilitation) physician prescribers was 406. 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.