Gregory Philip Henderson, M.D.
MOHS-Micrographic Surgery Physician · Newport Beach, CA
Gregory Philip Henderson, M.D. is a mohs-micrographic surgery physician with a practice address in Newport Beach, California, and NPI 1619109519, issued on Aug 11, 2009. Check the license (California A125261, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Philip Henderson
- Credential
- M.D.
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- License number
- A125261 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Avocado Ave Ste 409, Newport Beach, CA 92660
- Phone
- (949) 640-4501
- Enumerated
- Aug 11, 2009
- Record last updated
- Jun 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- ENROLLED MN
ENROLLED IA - Medicare enrollment
- Enrolled (PECOS I20131211000965); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest mohs-micrographic surgery physician records → All 164 in California → Look up another NPI →
Also registered at 1441 Avocado Ave Ste 409
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatimeh Abdallah, P.A.-CPhysician Assistant1487002218
- Shibani ShahNurse Practitioner1326719063
Verify Gregory Philip Henderson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average mohs-micrographic surgery physician in 2024
1,057 Medicare Part D claims for 422 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 47 claims were for opioids.
Most prescribed
- Triamcinolone Acetonide144 claims
- Cephalexin114 claims
- Clobetasol Propionate96 claims
- Ketoconazole76 claims
- Hydrocortisone61 claims
- Valacyclovir58 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,072.55
42 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,074 providers of this specialty with any payment received $4,075.23 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
- Csi Medical GroupLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Philip Henderson among 164 mohs-micrographic surgery physician records in California
Gregory Philip Henderson, M.D. is one of 164 mohs-micrographic surgery physician records with a practice address in California. 95% 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 63% of them.
- NPI issued2009 · 63% of these records are older, 36% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2009 · median 2004 among the 143 with a school on file
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
MOHS-Micrographic Surgery Physician providers in California
There are 164 mohs-micrographic surgery physician records in California.
All 164 in California → Every provider in Newport Beach → MOHS-Micrographic Surgery Physician nationwide →
The 8 mohs-micrographic surgery physician records with the nearest ZIP codes
- Bobak Hedayati, MDNewport Beach, CA 926601568090272
- Larisa Lehmer, MDNewport Beach, CA 926601760845929
- Grace Liu, M.D.Newport Beach, CA 926601477564128
- Anne Marie McNeill, MD, PHDNewport Beach, CA 926601841365970
- Adam Rotunda, MDNewport Beach, CA 926601457469371
- Hung Ong, M.D.Newport Beach, CA 926631407842149
- Brent Martin, MDLaguna Hills, CA 926531972990869
- Danielle Moul, M.D.Laguna Beach, CA 926511700091113
Common questions
What is Gregory Philip Henderson, M.D.'s NPI number?
Gregory Philip Henderson, M.D.'s National Provider Identifier (NPI) is 1619109519, issued on Aug 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Philip Henderson, M.D. located?
The NPPES record lists a practice address at 1441 Avocado Ave Ste 409, Newport Beach, CA, 92660. Phone: (949) 640-4501. Providers update this record themselves, so call before visiting.
How can I verify Gregory Philip Henderson, M.D.'s license?
NPPES lists California license number A125261, 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 Gregory Philip Henderson, M.D. prescribe under Medicare Part D?
In 2024, Gregory Philip Henderson, M.D. had 1,057 Medicare Part D claims for 422 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. Part D covers Medicare prescriptions only.
What is Gregory Philip Henderson, 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.