Nalini Devi Mattai, MD
General Practice Physician · Pasadena, CA
Nalini Devi Mattai, MD is a general practice physician with a practice address in Pasadena, California, and NPI 1982803052, issued on Jul 17, 2007. Check the license (California G83956, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nalini Devi Mattai
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- G83956 CA
Self-reported in NPPES; status is on the state search - Practice location
- 301 S Fair Oaks Ave Ste 405, Pasadena, CA 91105
- Phone
- (626) 792-1912
- Enumerated
- Jul 17, 2007
- Record last updated
- May 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (626) 792-1960
- Medicare enrollment
- Enrolled (PECOS I20050324000256); may accept Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 301 S Fair Oaks Ave Ste 405
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Kahau-Segovia, FNPNurse Practitioner1629608906
- Ilian Marquez, M.D.Nephrology Physician1710019906
- Elana Sheldon, MDInternal Medicine Physician1790708915
- Ashok Sunder Raj, M.D.Nephrology Physician1093744070
Verify Nalini Devi Mattai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83956Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average general practice physician in 2024
4,326 Medicare Part D claims for 347 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Amlodipine Besylate253 claims
- Atorvastatin Calcium238 claims
- Rosuvastatin Calcium225 claims
- Levothyroxine Sodium190 claims
- Irbesartan136 claims
- Metformin Hcl129 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: $1,092.95
50 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 4,259 providers of this specialty with any payment received $1,273.40 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
- Pasadena Family Medicine IncPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
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Common questions
What is Nalini Devi Mattai, MD's NPI number?
Nalini Devi Mattai, MD's National Provider Identifier (NPI) is 1982803052, issued on Jul 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nalini Devi Mattai, MD located?
The NPPES record lists a practice address at 301 S Fair Oaks Ave Ste 405, Pasadena, CA, 91105. Phone: (626) 792-1912. Providers update this record themselves, so call before visiting.
How can I verify Nalini Devi Mattai, MD's license?
NPPES lists California license number G83956, 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 Nalini Devi Mattai, MD prescribe under Medicare Part D?
In 2024, Nalini Devi Mattai, MD had 4,326 Medicare Part D claims for 347 beneficiaries; the average among general practice physician prescribers was 3,030. 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.