Mary M. Pikus, M.D.
Internal Medicine Physician · San Diego, CA
Mary M. Pikus, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1548370596, issued on Aug 30, 2006. Check the license (California C42264, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary M. Pikus
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C42264 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10243 Genetic Center Drive, San Diego, CA 92121
- Phone
- (858) 499-2600
- Enumerated
- Aug 30, 2006
- Record last updated
- Jun 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (858) 526-6083
- Medicaid ID
- 00C422640 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 10243 Genetic Center Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary M. Pikus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C42264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,626 Medicare Part D claims for 327 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium156 claims
- Levothyroxine Sodium68 claims
- Amlodipine Besylate66 claims
- Losartan Potassium63 claims
- Omeprazole56 claims
- Lisinopril45 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Mary M. Pikus among 17,696 internal medicine physician records in California
Mary M. Pikus, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Anil Keswani, MDSan Diego, CA 921211952320301
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- Robert Morehead, MDSan Diego, CA 921211801069513
- Eric Pan, M.D.San Diego, CA 921211285820142
Common questions
What is Mary M. Pikus, M.D.'s NPI number?
Mary M. Pikus, M.D.'s National Provider Identifier (NPI) is 1548370596, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary M. Pikus, M.D. located?
The NPPES record lists a practice address at 10243 Genetic Center Drive, San Diego, CA, 92121. Phone: (858) 499-2600. Providers update this record themselves, so call before visiting.
How can I verify Mary M. Pikus, M.D.'s license?
NPPES lists California license number C42264, 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 Mary M. Pikus, M.D. prescribe under Medicare Part D?
In 2024, Mary M. Pikus, M.D. had 1,626 Medicare Part D claims for 327 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mary M. Pikus, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. 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.