Janice Emilie Ma, MD
Dermatology Physician · Pasadena, CA
Janice Emilie Ma, MD is a dermatology physician with a practice address in Pasadena, California, and NPI 1306330410, issued on Jun 21, 2018. Check the license (California A163442, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janice Emilie Ma
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A163442 CA
Self-reported in NPPES; status is on the state search - Practice location
- 70 S Lake Ave Ste 930, Pasadena, CA 91101
- Phone
- (626) 514-1472
- Enumerated
- Jun 21, 2018
- Record last updated
- Dec 31, 2024
- Medicare enrollment
- Enrolled (PECOS I20221005003412); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 2018
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 70 S Lake Ave Ste 930
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Cordoba, PHYSICIAN ASSISTANTMedical Physician Assistant1538254040
- Riana Sanyal, MD, MSCRDermatology Physician1619538659
Verify Janice Emilie Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average dermatology physician in 2024
103 Medicare Part D claims for 41 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Triamcinolone Acetonide20 claims
- Mupirocin13 claims
- Hydrocortisone11 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: $2,016.34
71 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, Inc. 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
- James Y Wang MD IncPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janice Emilie Ma among 2,083 dermatology physician records in California
Janice Emilie Ma, MD 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 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2006 among the 1,450 with a school on file
- Record last updated2024 · 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 Pasadena → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Lenore Kakita, MDPasadena, CA 911011275522484
- Riana Sanyal, MD, MSCRPasadena, CA 911011619538659
- Pamela Hu, M.D.Pasadena, CA 911031568791721
- Heather Butler, MDPasadena, CA 911051417927419
- Tommy Chen, M.D.Pasadena, CA 911051326136854
- Janice Davolio, M.D.Pasadena, CA 911051972527521
- Sara Gaspard, M.D.Pasadena, CA 911051023253473
- Christiaan Hallman, M.D.Pasadena, CA 911051154313732
Common questions
What is Janice Emilie Ma, MD's NPI number?
Janice Emilie Ma, MD's National Provider Identifier (NPI) is 1306330410, issued on Jun 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Janice Emilie Ma, MD located?
The NPPES record lists a practice address at 70 S Lake Ave Ste 930, Pasadena, CA, 91101. Phone: (626) 514-1472. Providers update this record themselves, so call before visiting.
How can I verify Janice Emilie Ma, MD's license?
NPPES lists California license number A163442, 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 Janice Emilie Ma, MD prescribe under Medicare Part D?
In 2024, Janice Emilie Ma, MD had 103 Medicare Part D claims for 41 beneficiaries; the average among dermatology physician prescribers was 797. 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.
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.