Marianna Shakhnovits, M.D.
Adult Medicine Physician · Pasadena, CA
Marianna Shakhnovits, M.D. is an adult medicine physician with a practice address in Pasadena, California, and NPI 1568627222, issued on Jul 22, 2008. Check the license (California A113415, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marianna Shakhnovits
- Credential
- M.D.
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- A113415 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 W California Blvd, Pasadena, CA 91105
- Phone
- (626) 795-2244
- Enumerated
- Jul 22, 2008
- Record last updated
- Jan 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20110803000620); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Also registered at 100 W California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
- Lina Acopians, DOHospitalist Physician1548821523
- Daniel Adran, MDNeuroradiology Physician1518456441
- Alipasha Adrangui, M.D.Hospitalist Physician1780911263
- Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
- Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603
Verify Marianna Shakhnovits in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113415Check 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% fewer Medicare Part D claims than the average adult medicine physician in 2024
450 Medicare Part D claims for 175 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass36 claims
- Atorvastatin Calcium27 claims
- Furosemide24 claims
- Eliquis23 claims
- Amlodipine Besylate18 claims
- Carvedilol16 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.
Bills Medicare through one group practice
- Healthcare Partners Affiliates Medical GroupMontebello, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianna Shakhnovits among 386 adult medicine physician records in California
Marianna Shakhnovits, M.D. is one of 386 adult medicine physician records with a practice address in California. 69% 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 51% of them.
- NPI issued2008 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1984 · median 2005 among the 187 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Pasadena → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Jacquelyn Walker, M.D.Pasadena, CA 911061770829301
- Shabana Shah, MDPasadena, CA 911881962693309
- Ashok Sharma, M.D.La Canada, CA 910111124316575
- Claudia Talbot, DNP, APRN, FNP-CGlendale, CA 912031376206797
- Syrus Feridouni, M.D.Glendale, CA 912051336271055
- Rodney Nocon, NPGlendale, CA 912061164008850
- Lusine Simonyan, NDGlendale, CA 912061063293215
- Sandra Ghatan, NPCalabasas, CA 913021982447017
Common questions
What is Marianna Shakhnovits, M.D.'s NPI number?
Marianna Shakhnovits, M.D.'s National Provider Identifier (NPI) is 1568627222, issued on Jul 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marianna Shakhnovits, M.D. located?
The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (626) 795-2244. Providers update this record themselves, so call before visiting.
How can I verify Marianna Shakhnovits, M.D.'s license?
NPPES lists California license number A113415, 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 Marianna Shakhnovits, M.D. prescribe under Medicare Part D?
In 2024, Marianna Shakhnovits, M.D. had 450 Medicare Part D claims for 175 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.