Bhoomin Paul Nimitsilpa, MD
Internal Medicine Physician · Downey, CA
Bhoomin Paul Nimitsilpa, MD is an internal medicine physician with a practice address in Downey, California, and NPI 1235206103, issued on Nov 29, 2006. Check the license (California A61642, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bhoomin Paul Nimitsilpa
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A61642 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9449 Imperial Hwy Ste 310, Downey, CA 90242
- Phone
- (800) 823-4040
- Enumerated
- Nov 29, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (562) 657-2899
- Medicare enrollment
- Enrolled (PECOS I20101117000919); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 9449 Imperial Hwy Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dennis Duong, DOStudent in an Organized Health Care Education/Training Program1992202626
Verify Bhoomin Paul Nimitsilpa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A61642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,888 Medicare Part D claims for 727 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 95 claims were for opioids.
Most prescribed
- Atorvastatin Calcium656 claims
- Amlodipine Besylate409 claims
- Lisinopril355 claims
- Losartan Potassium325 claims
- Metformin Hcl240 claims
- Omeprazole219 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
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bhoomin Paul Nimitsilpa among 17,696 internal medicine physician records in California
Bhoomin Paul Nimitsilpa, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
114 internal medicine physician records list a practice address in Downey
They are 114 of the 3,607 NPPES records with a practice address in Downey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Downey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sohail Afra, M.D.Downey, CA 902421023125176
- Ron Chai, M.D.Downey, CA 902421447361316
- Ronald Collins, M.D.Downey, CA 902421235176181
- Rashmi Desai, M.D.Downey, CA 902421801990247
- Basuki Gunawan, M.D.Downey, CA 902421346352473
- Danese Hayes, M.D.Downey, CA 902421689786733
- Goethe Hsu, M.D.Downey, CA 902421386656726
- Diana Hsu, M.D.Downey, CA 902421720090137
Common questions
What is Bhoomin Paul Nimitsilpa, MD's NPI number?
Bhoomin Paul Nimitsilpa, MD's National Provider Identifier (NPI) is 1235206103, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bhoomin Paul Nimitsilpa, MD located?
The NPPES record lists a practice address at 9449 Imperial Hwy Ste 310, Downey, CA, 90242. Phone: (800) 823-4040. Providers update this record themselves, so call before visiting.
How can I verify Bhoomin Paul Nimitsilpa, MD's license?
NPPES lists California license number A61642, 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 Bhoomin Paul Nimitsilpa, MD prescribe under Medicare Part D?
In 2024, Bhoomin Paul Nimitsilpa, MD had 6,888 Medicare Part D claims for 727 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.