NPPES file of Aug 9, 2026

Nirupam Singh, MD

Internal Medicine Physician · Newport Beach, CA

Nirupam Singh, MD is an internal medicine physician with a practice address in Newport Beach, California, and NPI 1427099753, issued on Jun 9, 2006. Check the license (California A79527, 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
1427099753
Name
Nirupam Singh
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A79527 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Hoag Dr, Newport Beach, CA 92663
Phone
(949) 764-6876
Enumerated
Jun 9, 2006
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(949) 764-6874
Medicaid ID
00A795270 CA
Medicare enrollment
Enrolled (PECOS I20101208000837); 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.
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Also registered at 1 Hoag Dr

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

  1. Hana Abuershaid, M.D.Hospitalist Physician1497164016
  2. Anatoly Akselrod, PHARMDPharmacist1508733379
  3. Bahram Alavynejad, MDPulmonary Disease Physician1124071972
  4. Eric Alcouloumre, M.D.Emergency Medicine Physician1568425312
  5. Gilda Ameri, MDHospitalist Physician1821477498
  6. Anna-Maria Angelakis, M.D.Hospitalist Physician1124259890

Verify Nirupam Singh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A79527
    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.

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60% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,255 Medicare Part D claims for 222 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Nirupam Singh1,255
  2. Specialty average3,176

Most prescribed

  1. Spiriva Respimat195 claims
  2. Albuterol Sulfate Hfa168 claims
  3. Breyna158 claims
  4. Wixela Inhub90 claims
  5. Alvesco83 claims
  6. Stiolto Respimat72 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

  1. Permanente Medical Group IncSan Rafael, CA

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

Nirupam Singh among 17,696 internal medicine physician records in California

Nirupam Singh, MD 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 fileYes · 63% of these records are
  • Graduated1996 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 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).

94 internal medicine physician records list a practice address in Newport Beach

They are 94 of the 4,414 NPPES records with a practice address in Newport Beach, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. David Brouwer, MDNewport Beach, CA 926631629018544
  2. William Bruce, MDNewport Beach, CA 926631265490890
  3. Gary Carlson, MDNewport Beach, CA 926631497700116
  4. David Chun, MDNewport Beach, CA 926631730152976
  5. Dennis Jordanides, M.D.Newport Beach, CA 926631285638031
  6. Kambiz Karimi, MDNewport Beach, CA 926631720061823
  7. Gregory Katz, MDNewport Beach, CA 926631184674178
  8. Cameron Khavarian, M.D.Newport Beach, CA 926631104871938

Common questions

What is Nirupam Singh, MD's NPI number?

Nirupam Singh, MD's National Provider Identifier (NPI) is 1427099753, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nirupam Singh, MD located?

The NPPES record lists a practice address at 1 Hoag Dr, Newport Beach, CA, 92663. Phone: (949) 764-6876. Providers update this record themselves, so call before visiting.

How can I verify Nirupam Singh, MD's license?

NPPES lists California license number A79527, 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 Nirupam Singh, MD prescribe under Medicare Part D?

In 2024, Nirupam Singh, MD had 1,255 Medicare Part D claims for 222 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.