Chitta Thiagarajah, M.D.
Pain Medicine (Anesthesiology) Physician · Lancaster, CA
Chitta Thiagarajah, M.D. is a pain medicine (anesthesiology) physician with a practice address in Lancaster, California, and NPI 1982696944, issued on Aug 16, 2005. Check the license (California A33498, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chitta Thiagarajah
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- A33498 CA
Self-reported in NPPES; status is on the state search - Practice location
- 44725 10TH St W, Lancaster, CA 93534
- Phone
- (661) 949-9966
- Enumerated
- Aug 16, 2005
- Record last updated
- Oct 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (661) 949-9926
- Medicaid ID
- A334980 CA
- Medicare enrollment
- Enrolled (PECOS I20081217000079); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →
Also registered at 44725 10TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Danny Jones, P.A.Medical Physician Assistant1801109400
Verify Chitta Thiagarajah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A33498Check 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 pain medicine (anesthesiology) physician in 2024
3,754 Medicare Part D claims for 610 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 2,468 claims were for opioids.
Most prescribed
- Oxycodone Hcl1,032 claims
- Hydrocodone-Acetaminophen723 claims
- Oxycodone-Acetaminophen475 claims
- Baclofen302 claims
- Cyclobenzaprine Hcl234 claims
- Tizanidine Hcl192 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): 0 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $241.97
10 payments; by number, the most common kind was food and beverage; the largest payer was Forte Bio-Pharma LLC. The 2,789 providers of this specialty with any payment received $3,225.41 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.
Chitta Thiagarajah among 536 pain medicine (anesthesiology) physician records in California
Chitta Thiagarajah, M.D. is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1967 · median 2004 among the 367 with a school on file
- Record last updated2011 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
All 536 in California → Every provider in Lancaster → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Udaya Desilva, M.D.Palmdale, CA 935511730100330
- Arvinder Gill, D.O.Palmdale, CA 935511528351582
- John Cowan, MDBishop, CA 935141891714325
- Shahriar Pirouz, M.D.Pismo Beach, CA 934491922201508
- Carlos Untal, M.D.San Luis Obispo, CA 934051316923998
- Andrui Nazarian, M.D.Fresno, CA 937011184983785
- William Von Kaenel, M.D.Fresno, CA 937101336201011
- Khodadad Namiranian, M.D.Fresno, CA 937111215262795
Common questions
What is Chitta Thiagarajah, M.D.'s NPI number?
Chitta Thiagarajah, M.D.'s National Provider Identifier (NPI) is 1982696944, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Chitta Thiagarajah, M.D. located?
The NPPES record lists a practice address at 44725 10TH St W, Lancaster, CA, 93534. Phone: (661) 949-9966. Providers update this record themselves, so call before visiting.
How can I verify Chitta Thiagarajah, M.D.'s license?
NPPES lists California license number A33498, 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 Chitta Thiagarajah, M.D. prescribe under Medicare Part D?
In 2024, Chitta Thiagarajah, M.D. had 3,754 Medicare Part D claims for 610 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Chitta Thiagarajah, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.