Hamsa Ramkumar, M.D.
Pediatrics Physician · La Habra, CA
Hamsa Ramkumar, M.D. is a pediatrics physician with a practice address in La Habra, California, and NPI 1407994551, issued on Feb 1, 2007. Check the license (California A43445, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hamsa Ramkumar
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A43445 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2250 W Whittier Blvd Ste 100, La Habra, CA 90631
- Phone
- (562) 690-4075
- Enumerated
- Feb 1, 2007
- Record last updated
- Dec 5, 2023
- Fax
- (562) 690-4185
- Medicaid ID
- 00A434450 CA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Verify Hamsa Ramkumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A43445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pediatrics physician in 2024
31 Medicare Part D claims, against an average of 375 among the 5,609 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.
Industry payments in 2024: $78.11
3 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 21,580 providers of this specialty with any payment received $842.05 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.
Hamsa Ramkumar among 9,272 pediatrics physician records in California
Hamsa Ramkumar, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 43% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 pediatrics physician records list a practice address in La Habra
They are 15 of the 543 NPPES records with a practice address in La Habra, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in La Habra → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Manisha Bhatt, MDLa Habra, CA 906311851449706
- Diba Farah, M.D.La Habra, CA 906311710271143
- Camila Garcia Paz, MDLa Habra, CA 906311417534348
- Meghna Kataky, DOLa Habra, CA 906311023751815
- Tina Lin, M.D.La Habra, CA 906311952609257
- Carole Macaulay, MDLa Habra, CA 906311891883286
- Maria Marino, M.D.La Habra, CA 906311245398700
- Anusha Nath, MDLa Habra, CA 906311790281301
Common questions
What is Hamsa Ramkumar, M.D.'s NPI number?
Hamsa Ramkumar, M.D.'s National Provider Identifier (NPI) is 1407994551, issued on Feb 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hamsa Ramkumar, M.D. located?
The NPPES record lists a practice address at 2250 W Whittier Blvd Ste 100, La Habra, CA, 90631. Phone: (562) 690-4075. Providers update this record themselves, so call before visiting.
How can I verify Hamsa Ramkumar, M.D.'s license?
NPPES lists California license number A43445, 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 Hamsa Ramkumar, M.D. prescribe under Medicare Part D?
In 2024, Hamsa Ramkumar, M.D. had 31 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.