Karthik Natarajan Thenkondar, MD
Family Medicine Physician · Pasadena, CA
Karthik Natarajan Thenkondar, MD is a family medicine physician with a practice address in Pasadena, California, and NPI 1972823672, issued on Jun 3, 2010. Check the license (California A122951, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karthik Natarajan Thenkondar
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A122951 CA
Self-reported in NPPES; status is on the state search - Practice location
- 556 S Fair Oaks Ave Ste 101, Pasadena, CA 91105
- Phone
- (323) 600-3132
- Enumerated
- Jun 3, 2010
- Record last updated
- Jul 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20130722000210); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 556 S Fair Oaks Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kari Yoshimura, PH.D.Clinical Psychologist1295858116
Verify Karthik Natarajan Thenkondar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family medicine physician in 2024
923 Medicare Part D claims for 170 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium72 claims
- Amlodipine Besylate41 claims
- Metoprolol Succinate30 claims
- Gabapentin28 claims
- Fluticasone Propionate25 claims
- Jardiance24 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.
Bills Medicare through one group practice
- Lakeside Medical Organization A Medical Group IncBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karthik Natarajan Thenkondar among 17,133 family medicine physician records in California
Karthik Natarajan Thenkondar, MD is one of 17,133 family medicine 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 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2007 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Pasadena → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Annie Barseghian, MDPasadena, CA 911051134226855
- Gustavo Calleros, MDPasadena, CA 911051346358827
- Lorence Eshoe, MDPasadena, CA 911051487656807
- Bethesda Gee, M.D.Pasadena, CA 911051952378762
- Seema Hanamsagar, MDPasadena, CA 911051952387581
- Victor Luu, M.D.Pasadena, CA 911051437172970
- John Miguel, M.D.Pasadena, CA 911051851484661
- Renee Poole, MDPasadena, CA 911051821268434
Common questions
What is Karthik Natarajan Thenkondar, MD's NPI number?
Karthik Natarajan Thenkondar, MD's National Provider Identifier (NPI) is 1972823672, issued on Jun 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Karthik Natarajan Thenkondar, MD located?
The NPPES record lists a practice address at 556 S Fair Oaks Ave Ste 101, Pasadena, CA, 91105. Phone: (323) 600-3132. Providers update this record themselves, so call before visiting.
How can I verify Karthik Natarajan Thenkondar, MD's license?
NPPES lists California license number A122951, 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 Karthik Natarajan Thenkondar, MD prescribe under Medicare Part D?
In 2024, Karthik Natarajan Thenkondar, MD had 923 Medicare Part D claims for 170 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.