Hal Marcus Weitzbuch, M.D., M.S., FAAD
Dermatology Physician · Calabasas, CA
Hal Marcus Weitzbuch, M.D., M.S., FAAD is a dermatology physician with a practice address in Calabasas, California, and NPI 1669629317, issued on Aug 25, 2008. Check the license (California A 121615, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hal Marcus Weitzbuch
- Credential
- M.D., M.S., FAAD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A 121615 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23501 Park Sorrento Ste 216, Calabasas, CA 91302
- Phone
- (818) 222-7495
- Enumerated
- Aug 25, 2008
- Record last updated
- Sep 24, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (818) 222-7498
- Medicare enrollment
- Enrolled (PECOS I20120823000687); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 23501 Park Sorrento Ste 216
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leila Chitayat, MPAPhysician Assistant1932959459
- Rebecca Gamliel, PAPhysician Assistant1538739685
Verify Hal Marcus Weitzbuch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 121615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average dermatology physician in 2024
833 Medicare Part D claims for 426 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 12 claims were for opioids.
Most prescribed
- Triamcinolone Acetonide106 claims
- Clobetasol Propionate90 claims
- Cephalexin74 claims
- Gentamicin Sulfate48 claims
- Ketoconazole45 claims
- Valacyclovir39 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $67,766.46
118 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Hal M Weitzbuch MD Medical CorporationCalabasas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hal Marcus Weitzbuch among 2,083 dermatology physician records in California
Hal Marcus Weitzbuch, M.D., M.S., FAAD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 39% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2008 · median 2006 among the 1,450 with a school on file
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Calabasas → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Nusha Bashardoust, PA-CCalabasas, CA 913021669888574
- Robert De Stefano, M.D.Calabasas, CA 913021700879327
- Jonathan Fisher, MDCalabasas, CA 913021578124863
- Nima Gharavi, M.D./PH.D.Calabasas, CA 913021366683948
- Anna Guanche, MDCalabasas, CA 913021982658761
- Benjamin LinCalabasas, CA 913021033440912
- Debra Luftman, MDCalabasas, CA 913021063524270
- Payam Abrishami, MDAgoura Hills, CA 913011447288147
Common questions
What is Hal Marcus Weitzbuch, M.D., M.S., FAAD's NPI number?
Hal Marcus Weitzbuch, M.D., M.S., FAAD's National Provider Identifier (NPI) is 1669629317, issued on Aug 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Hal Marcus Weitzbuch, M.D., M.S., FAAD located?
The NPPES record lists a practice address at 23501 Park Sorrento Ste 216, Calabasas, CA, 91302. Phone: (818) 222-7495. Providers update this record themselves, so call before visiting.
How can I verify Hal Marcus Weitzbuch, M.D., M.S., FAAD's license?
NPPES lists California license number A 121615, 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 Hal Marcus Weitzbuch, M.D., M.S., FAAD prescribe under Medicare Part D?
In 2024, Hal Marcus Weitzbuch, M.D., M.S., FAAD had 833 Medicare Part D claims for 426 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Hal Marcus Weitzbuch, M.D., M.S., FAAD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.