Pornthep Wattanamano, MD
Infectious Disease Physician · San Diego, CA
Pornthep Wattanamano, MD is an infectious disease physician with a practice address in San Diego, California, and NPI 1295738516, issued on May 31, 2005. Check the license (California C186338, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pornthep Wattanamano
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- C186338 CA
L5950 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3335 Riviera Dr, San Diego, CA 92109
- Phone
- (713) 384-3229
- Enumerated
- May 31, 2005
- Record last updated
- Sep 29, 2023
- Medicaid ID
- 157125902 TX
- Medicare enrollment
- Enrolled (PECOS I20250826004899); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify Pornthep Wattanamano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C186338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average infectious disease physician in 2024
440 Medicare Part D claims for 60 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium35 claims
- Omeprazole23 claims
- Famotidine19 claims
- Levothyroxine Sodium17 claims
- Metformin Hcl17 claims
- Clotrimazole15 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
- Quantum Healthcare Medical Associates IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pornthep Wattanamano among 1,119 infectious disease physician records in California
Pornthep Wattanamano, MD is one of 1,119 infectious disease 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1988 · median 2003 among the 735 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in San Diego → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Elaine Pierce, MD, MPHSan Diego, CA 921101013102128
- Joseph Baran, MDSan Diego, CA 921051609895192
- Morgan BirabaharanSan Diego, CA 921031992331862
- Adam BortnerSan Diego, CA 921031811491749
- Sindalisa Hean, MDSan Diego, CA 921031235559436
- Edward HillSan Diego, CA 921031316573215
- Jehanzaeb Khan, MDSan Diego, CA 921031538666458
- Ahnika Kline, M.D., PH.D.San Diego, CA 921031093151995
Common questions
What is Pornthep Wattanamano, MD's NPI number?
Pornthep Wattanamano, MD's National Provider Identifier (NPI) is 1295738516, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Pornthep Wattanamano, MD located?
The NPPES record lists a practice address at 3335 Riviera Dr, San Diego, CA, 92109. Phone: (713) 384-3229. Providers update this record themselves, so call before visiting.
How can I verify Pornthep Wattanamano, MD's license?
NPPES lists California license number C186338, 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 Pornthep Wattanamano, MD prescribe under Medicare Part D?
In 2024, Pornthep Wattanamano, MD had 440 Medicare Part D claims for 60 beneficiaries; the average among infectious disease physician prescribers was 689. 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.