Simranjit Kaur Singh, MD
Rheumatology Physician · Mission Viejo, CA
Simranjit Kaur Singh, MD is a rheumatology physician with a practice address in Mission Viejo, California, and NPI 1396164356, issued on Apr 7, 2014. Check the license (California A139015, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Simranjit Kaur Singh
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A139015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26732 Crown Valley Pkwy Ste 151, Mission Viejo, CA 92691
- Phone
- (949) 347-6044
- Enumerated
- Apr 7, 2014
- Record last updated
- Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 347-6069
- Medicaid ID
- SS3232267556 CA
- Medicare enrollment
- Enrolled (PECOS I20190926001961); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 26732 Crown Valley Pkwy Ste 151
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Driver, M.D.Rheumatology Physician1356469266
- David Gonzalez, MDFamily Medicine Physician1508860016
Verify Simranjit Kaur Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,723 Medicare Part D claims for 300 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 144 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate218 claims
- Methotrexate148 claims
- Prednisone148 claims
- Tramadol Hcl127 claims
- Celecoxib102 claims
- Meloxicam85 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.
Industry payments in 2024: $2,770.28
127 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Medical FoundationTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Simranjit Kaur Singh among 926 rheumatology physician records in California
Simranjit Kaur Singh, MD is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 79% of them.
- NPI issued2014 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2003 among the 641 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Mission Viejo → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Hernan Castro-Rueda, M.D.Mission Viejo, CA 926911720162092
- Catherine Driver, M.D.Mission Viejo, CA 926911356469266
- Fatemeh Jafari Farshami, M.D.Mission Viejo, CA 926911386049260
- Jaya Philipose, M.D.Mission Viejo, CA 926911477671386
- Willilam Shiel, M.D.Mission Viejo, CA 926911699752683
- Paul Wehrle, M.D.Mission Viejo, CA 926911033197835
- Krishan Khurana, MDSanta Ana, CA 927011972606549
- Jeff Sarkozi, M.D.Santa Ana, CA 927051699812388
Common questions
What is Simranjit Kaur Singh, MD's NPI number?
Simranjit Kaur Singh, MD's National Provider Identifier (NPI) is 1396164356, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Simranjit Kaur Singh, MD located?
The NPPES record lists a practice address at 26732 Crown Valley Pkwy Ste 151, Mission Viejo, CA, 92691. Phone: (949) 347-6044. Providers update this record themselves, so call before visiting.
How can I verify Simranjit Kaur Singh, MD's license?
NPPES lists California license number A139015, 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 Simranjit Kaur Singh, MD prescribe under Medicare Part D?
In 2024, Simranjit Kaur Singh, MD had 1,723 Medicare Part D claims for 300 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.