Wasim H. Raja, M.D.
Internal Medicine Physician · Fountain Valley, CA
Wasim H. Raja, M.D. is an internal medicine physician with a practice address in Fountain Valley, California, and NPI 1205022084, issued on Sep 14, 2007. Check the license (California A110055, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wasim H. Raja
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A110055 CA
110055 CA
DR.0062832 CO
24295 NE
25MA10681000 NJ
and 2 more
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Warner Ave Ste 110, Fountain Valley, CA 92708
- Phone
- (714) 486-3477
- Enumerated
- Sep 14, 2007
- Record last updated
- Dec 18, 2023
- Fax
- (833) 334-0495
- Medicaid ID
- A110055 CA
- Medicare enrollment
- Enrolled (PECOS I20220906001819); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Wasim H. Raja in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110055Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,916 Medicare Part D claims for 114 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 100 claims were for opioids.
Most prescribed
- Atorvastatin Calcium123 claims
- Amlodipine Besylate80 claims
- Rosuvastatin Calcium69 claims
- Lisinopril62 claims
- Metformin Hcl58 claims
- Losartan Potassium57 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: $22.69
1 payment: food and beverage; the largest payer was Merz Pharmaceuticals, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Inpatient Specialists OF California PCOakdale, CA
- South Sound Inpatient Physicians PLLCCoupeville, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wasim H. Raja among 17,696 internal medicine physician records in California
Wasim H. Raja, M.D. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1998 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 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).
83 internal medicine physician records list a practice address in Fountain Valley
They are 83 of the 2,190 NPPES records with a practice address in Fountain Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fountain Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joel Bartlett, MDFountain Valley, CA 927081073518791
- Ihong Chen, MDFountain Valley, CA 927081104822535
- Naomi Cheung, MDFountain Valley, CA 927081073503314
- Alan Dang, M.D.Fountain Valley, CA 927081043217359
- Alton ForanFountain Valley, CA 927081619968799
- George Hong, MDFountain Valley, CA 927081154328532
- Brandon Khaw, MDFountain Valley, CA 927081568453637
- Lalita Komanapalli, MDFountain Valley, CA 927081578560884
Common questions
What is Wasim H. Raja, M.D.'s NPI number?
Wasim H. Raja, M.D.'s National Provider Identifier (NPI) is 1205022084, issued on Sep 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wasim H. Raja, M.D. located?
The NPPES record lists a practice address at 11100 Warner Ave Ste 110, Fountain Valley, CA, 92708. Phone: (714) 486-3477. Providers update this record themselves, so call before visiting.
How can I verify Wasim H. Raja, M.D.'s license?
NPPES lists California license number A110055, 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 Wasim H. Raja, M.D. prescribe under Medicare Part D?
In 2024, Wasim H. Raja, M.D. had 1,916 Medicare Part D claims for 114 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.