NPPES file of Aug 9, 2026

Tulika Singh, M.D., M.S., AAHIVS

Infectious Disease Physician · Orange, CA

Tulika Singh, M.D., M.S., AAHIVS is an infectious disease physician with a practice address in Orange, California, and NPI 1467692947, issued on Feb 24, 2009. Check the license (California C145507, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467692947
Name
Tulika Singh
Credential
M.D., M.S., AAHIVS
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
C145507 CA
4301097611 MI
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S, Orange, CA 92868
Phone
(714) 456-8888
Enumerated
Feb 24, 2009
Record last updated
Feb 5, 2024
Medicare enrollment
Enrolled (PECOS I20170118001446); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 101 The City Dr S

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

  1. Danny Abad, PAPhysician Assistant1477158673
  2. Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
  3. Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
  4. Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
  5. Eric AbelloOtolaryngology Physician1922566215
  6. Brandon Abeyta, MDAnesthesiology Physician1841291804

Verify Tulika 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 C145507
    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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66% fewer Medicare Part D claims than the average infectious disease physician in 2024

236 Medicare Part D claims for 58 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Tulika Singh236
  2. Specialty average689

Most prescribed

  1. Rifampin28 claims
  2. Ethambutol Hcl21 claims
  3. Sulfamethoxazole-Trimethoprim19 claims
  4. Doxycycline Hyclate18 claims
  5. Azithromycin17 claims
  6. Fluconazole14 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 MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $149,661.12

154 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tulika Singh$149,661
  2. Specialty average$4,362

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Telemedicine Group PCRoseville, CA
  2. UC RegentsOrange, CA

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

Tulika Singh among 1,119 infectious disease physician records in California

Tulika Singh, M.D., M.S., AAHIVS is one of 1,119 infectious disease 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 66% of them.

  • NPI issued2009 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2000 · median 2003 among the 735 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Rosa Andrade, MDOrange, CA 928681093919680
  2. Robert Armen, M.D.Orange, CA 928681225041080
  3. Thomas C Cesario, MDOrange, CA 928681265512354
  4. Coleen Cunningham, M.D.Orange, CA 928681205999075
  5. Catherine Diamond, MDOrange, CA 928681649350786
  6. Donald N Forthal, MDOrange, CA 928681215017363
  7. Shruti Gohil, M.D., M.P.H.Orange, CA 928681851375398
  8. Geeta K Gupta, MDOrange, CA 928681558441600

Common questions

What is Tulika Singh, M.D., M.S., AAHIVS's NPI number?

Tulika Singh, M.D., M.S., AAHIVS's National Provider Identifier (NPI) is 1467692947, issued on Feb 24, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Tulika Singh, M.D., M.S., AAHIVS located?

The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-8888. Providers update this record themselves, so call before visiting.

How can I verify Tulika Singh, M.D., M.S., AAHIVS's license?

NPPES lists California license number C145507, 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 Tulika Singh, M.D., M.S., AAHIVS prescribe under Medicare Part D?

In 2024, Tulika Singh, M.D., M.S., AAHIVS had 236 Medicare Part D claims for 58 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Tulika Singh, M.D., M.S., AAHIVS's MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.