NPPES file of Aug 9, 2026

Shiva Nancy Shabnam, M.D.

Internal Medicine Physician · Downey, CA

Shiva Nancy Shabnam, M.D. is an internal medicine physician with a practice address in Downey, California, and NPI 1679802037, issued on Dec 15, 2009. Check the license (California A110335, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679802037
Name
Shiva Nancy Shabnam
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A110335 CA
Self-reported in NPPES; status is on the state search
Practice location
10800 Paramount Blvd, Downey, CA 90241
Phone
(562) 869-1070
Enumerated
Dec 15, 2009
Record last updated
May 12, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(562) 869-6317
Medicare enrollment
Enrolled (PECOS I20110510000583); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 10800 Paramount Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Adriatico, M.D.Internal Medicine Physician1194913608
  2. Daphne Allison, AMFTMarriage & Family Therapist1265390652
  3. Domingo Barrientos, M.D.Internal Medicine Physician1184685281
  4. Neal Brown, DDSDentist1619295862
  5. Thomas Choi, M.D.Ophthalmology Physician1477555985
  6. Emma McCulloughMarriage & Family Therapist1609481035

Verify Shiva Nancy Shabnam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A110335
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

88% fewer Medicare Part D claims than the average internal medicine physician in 2024

391 Medicare Part D claims for 144 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 19 claims were for opioids.

  1. Shiva Shabnam391
  2. Specialty average3,176

Most prescribed

  1. Furosemide29 claims
  2. Eliquis26 claims
  3. Carvedilol21 claims
  4. Atorvastatin Calcium17 claims
  5. Clopidogrel16 claims
  6. Levothyroxine Sodium12 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 2 group practices

  1. GN Medical Associates, IncCosta Mesa, CA
  2. Mobile Care Medical Group IncUnion City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shiva Nancy Shabnam among 17,696 internal medicine physician records in California

Shiva Nancy Shabnam, 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 2009, is newer than 60% of them.

  • NPI issued2009 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2007 · median 2004 among the 11,065 with a school on file
  • Record last updated2010 · 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).

114 internal medicine physician records list a practice address in Downey

They are 114 of the 3,607 NPPES records with a practice address in Downey, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nazar Al-Bussam, MDDowney, CA 902411003999145
  2. Domingo Barrientos, M.D.Downey, CA 902411184685281
  3. Arthur Carrasco, M.D.Downey, CA 902411588601595
  4. Shahryar Davari, MDDowney, CA 902411346244373
  5. Henry Do, M.D.Downey, CA 902411538115290
  6. Alan Frischer, M.D.Downey, CA 902411982701454
  7. Narayana Gunda, M.D.Downey, CA 902411720026271
  8. Vinod Patel, M.D.Downey, CA 902411043226756

Common questions

What is Shiva Nancy Shabnam, M.D.'s NPI number?

Shiva Nancy Shabnam, M.D.'s National Provider Identifier (NPI) is 1679802037, issued on Dec 15, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Shiva Nancy Shabnam, M.D. located?

The NPPES record lists a practice address at 10800 Paramount Blvd, Downey, CA, 90241. Phone: (562) 869-1070. Providers update this record themselves, so call before visiting.

How can I verify Shiva Nancy Shabnam, M.D.'s license?

NPPES lists California license number A110335, 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 Shiva Nancy Shabnam, M.D. prescribe under Medicare Part D?

In 2024, Shiva Nancy Shabnam, M.D. had 391 Medicare Part D claims for 144 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.