Karunyan Arulanantham, MD
Endocrinology, Diabetes & Metabolism Physician · Lancaster, CA
Karunyan Arulanantham, MD is an endocrinology, diabetes & metabolism physician with a practice address in Lancaster, California, and NPI 1548217680, issued on May 27, 2006. Check the license (California A31408, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karunyan Arulanantham
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A31408 CA
Self-reported in NPPES; status is on the state search - Practice location
- 45074 10TH St W, Lancaster, CA 93534
- Phone
- (661) 942-2391
- Enumerated
- May 27, 2006
- Record last updated
- Dec 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (818) 718-9507
- Medicaid ID
- 00A314080 CA
- Medicare enrollment
- Enrolled (PECOS I20071115000691); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 45074 10TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juliet Bringas, RD MPHRegistered Dietitian1588957393
- Richard Emanuel, FNPFamily Nurse Practitioner1922399609
Verify Karunyan Arulanantham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A31408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
47 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
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.
Karunyan Arulanantham among 1,131 endocrinology, diabetes & metabolism physician records in California
Karunyan Arulanantham, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1966 · median 2003 among the 779 with a school on file
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Lancaster → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jacqueline Dy, MDClovis, CA 936111790859304
- Margaret England, MDSanta Maria, CA 934541225146426
- Michael Lai, MDSanta Maria, CA 934541750318127
- Jeanne Bernard, D.O.San Luis Obispo, CA 934011932133238
- Roger Steele, M.D.San Luis Obispo, CA 934011689685299
- Balpreet Chouhan, MBBSFresno, CA 937011346691938
- Paulette Ginier, M.D.Fresno, CA 937011063447571
- Soe Naing, MDFresno, CA 937011467650341
Common questions
What is Karunyan Arulanantham, MD's NPI number?
Karunyan Arulanantham, MD's National Provider Identifier (NPI) is 1548217680, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karunyan Arulanantham, MD located?
The NPPES record lists a practice address at 45074 10TH St W, Lancaster, CA, 93534. Phone: (661) 942-2391. Providers update this record themselves, so call before visiting.
How can I verify Karunyan Arulanantham, MD's license?
NPPES lists California license number A31408, 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 Karunyan Arulanantham, MD prescribe under Medicare Part D?
In 2024, Karunyan Arulanantham, MD had 47 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.