Anthony K. Ahn, M.D.
Orthopaedic Hand Surgery Physician · Manhattan Beach, CA
Anthony K. Ahn, M.D. is an orthopaedic hand surgery physician with a practice address in Manhattan Beach, California, and NPI 1649282302, issued on Aug 12, 2006. Check the license (California A86508, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anthony K. Ahn
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- A86508 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Rosecrans Ave Ste 202, Manhattan Beach, CA 90266
- Phone
- (310) 356-9898
- Enumerated
- Aug 12, 2006
- Record last updated
- Nov 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 499-9251
- Medicare enrollment
- Enrolled (PECOS I20050131000248); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1998
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 1200 Rosecrans Ave Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anthony K. Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86508Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average orthopaedic hand surgery physician in 2024
387 Medicare Part D claims for 176 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. 113 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen98 claims
- Ondansetron Hcl80 claims
- Methylprednisolone79 claims
- Meloxicam49 claims
- Gabapentin17 claims
- Ondansetron Odt15 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $565.28
7 payments; by number, the most common kind was food and beverage; the largest payer was Sonex Health, Inc. The 1,819 providers of this specialty with any payment received $5,529.86 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.
Anthony K. Ahn among 288 orthopaedic hand surgery physician records in California
Anthony K. Ahn, M.D. is one of 288 orthopaedic hand surgery physician records with a practice address in California. 85% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1998 · median 2004 among the 214 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Manhattan Beach → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Richard Rogachefsky, M.D.Lawndale, CA 902601316981954
- Mary Bos, DODowney, CA 902401780768879
- Roy Caputo, M.D.Downey, CA 902401003886029
- Andre Chaves, M.D.Downey, CA 902401659341766
- Danny Harrison, M.D.Downey, CA 902401184763435
- Jacqueline Lezine-Hanna, MDMarina Del Rey, CA 902921336116854
- Lis Stark, M.D.Downey, CA 902401306816418
- Edwin Ashley, M.D.Beverly Hills, CA 902111417920919
Common questions
What is Anthony K. Ahn, M.D.'s NPI number?
Anthony K. Ahn, M.D.'s National Provider Identifier (NPI) is 1649282302, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony K. Ahn, M.D. located?
The NPPES record lists a practice address at 1200 Rosecrans Ave Ste 202, Manhattan Beach, CA, 90266. Phone: (310) 356-9898. Providers update this record themselves, so call before visiting.
How can I verify Anthony K. Ahn, M.D.'s license?
NPPES lists California license number A86508, 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 Anthony K. Ahn, M.D. prescribe under Medicare Part D?
In 2024, Anthony K. Ahn, M.D. had 387 Medicare Part D claims for 176 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is Anthony K. Ahn, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.