Diraj R. Karnani, M. D.
Rheumatology Physician · Apple Valley, CA
Diraj R. Karnani, M. D. is a rheumatology physician with a practice address in Apple Valley, California, and NPI 1639516172, issued on May 23, 2013. Check the license (California A132960, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diraj R. Karnani
- Credential
- M. D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A132960 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18419 US Highway 18 Ste 6, Apple Valley, CA 92307
- Phone
- (760) 946-9955
- Enumerated
- May 23, 2013
- Record last updated
- Aug 6, 2026
- Fax
- (760) 946-9409
- Medicare enrollment
- Enrolled (PECOS I20180104001985); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 18419 US Highway 18 Ste 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meera Soni, M.D.Internal Medicine Physician1285165944
Verify Diraj R. Karnani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A132960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average rheumatology physician in 2024
4,163 Medicare Part D claims for 658 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 120 claims were for opioids.
Most prescribed
- Methotrexate600 claims
- Hydroxychloroquine Sulfate590 claims
- Prednisone337 claims
- Folic Acid193 claims
- Enbrel Sureclick187 claims
- Gabapentin147 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,226.28
67 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Diraj R. Karnani among 926 rheumatology physician records in California
Diraj R. Karnani, M. D. 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 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2013 · median 2003 among the 641 with a school on file
- Record last updated2026 · 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 Apple Valley → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Bikramjit Ahluwalia, MDApple Valley, CA 923071669402467
- Mandy Aspel, FNPApple Valley, CA 923071205594678
- Amir Moldovan, MDSanta Clarita, CA 923211295777837
- Farshid Bozorgnia, MDColton, CA 923241922493220
- Steve Lee, DOFontana, CA 923351336206358
- Antony Lin, MDFontana, CA 923351740349323
- Lilit Pilossyan, MDFontana, CA 923351356753602
- Michael Takehara, MDFontana, CA 923351194884759
Common questions
What is Diraj R. Karnani, M. D.'s NPI number?
Diraj R. Karnani, M. D.'s National Provider Identifier (NPI) is 1639516172, issued on May 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Diraj R. Karnani, M. D. located?
The NPPES record lists a practice address at 18419 US Highway 18 Ste 6, Apple Valley, CA, 92307. Phone: (760) 946-9955. Providers update this record themselves, so call before visiting.
How can I verify Diraj R. Karnani, M. D.'s license?
NPPES lists California license number A132960, 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 Diraj R. Karnani, M. D. prescribe under Medicare Part D?
In 2024, Diraj R. Karnani, M. D. had 4,163 Medicare Part D claims for 658 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Diraj R. Karnani, M. D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.