Mary Kerr, M.D.
Specialist · Los Angeles, CA
Mary Kerr, M.D. is a specialist with a practice address in Los Angeles, California, and NPI 1700900917, issued on Mar 16, 2007. Check the license (California A65874, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Kerr
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A65874 CA
Self-reported in NPPES; status is on the state search - Practice location
- 822 S Robertson Blvd Ste 304, Los Angeles, CA 90035
- Phone
- (310) 275-3440
- Enumerated
- Mar 16, 2007
- Record last updated
- Jun 16, 2025
- Fax
- (310) 275-3452
- Medicare enrollment
- Enrolled (PECOS I20080201000127); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify Mary Kerr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A65874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average specialist in 2024
977 Medicare Part D claims for 137 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro56 claims
- Estradiol55 claims
- Trazodone Hcl41 claims
- Valacyclovir38 claims
- Metformin Hcl Er37 claims
- Levothyroxine Sodium36 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: $763.04
44 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Mary Kerr among 5,749 specialist records in California
Mary Kerr, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1996 · median 1989 among the 1,075 with a school on file
- Record last updated2025 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Los Angeles → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Jacobo Chodakiewitz, M.D.Los Angeles, CA 900351720263924
- Alon Pnini, M.D.Los Angeles, CA 900351528118122
- Shahriar Safvati, M.D.Los Angeles, CA 900351013039577
- Maina Berger, M.DLos Angeles, CA 900361962415224
- Tara DelgadoLos Angeles, CA 900361144478611
- Alison FerryLos Angeles, CA 900361144479858
- Tiffany Kimball, MA/OTR-LLos Angeles, CA 900361396148946
- Jeannine LoseeLos Angeles, CA 900361619185089
Common questions
What is Mary Kerr, M.D.'s NPI number?
Mary Kerr, M.D.'s National Provider Identifier (NPI) is 1700900917, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kerr, M.D. located?
The NPPES record lists a practice address at 822 S Robertson Blvd Ste 304, Los Angeles, CA, 90035. Phone: (310) 275-3440. Providers update this record themselves, so call before visiting.
How can I verify Mary Kerr, M.D.'s license?
NPPES lists California license number A65874, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Kerr, M.D. prescribe under Medicare Part D?
In 2024, Mary Kerr, M.D. had 977 Medicare Part D claims for 137 beneficiaries; the average among specialist prescribers was 1,380. 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.