Susanna Isabel Chou, M.D.
Family Medicine Physician · Chula Vista, CA
Susanna Isabel Chou, M.D. is a family medicine physician with a practice address in Chula Vista, California, and NPI 1104889724, issued on Apr 7, 2006. Check the license (California A73158, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susanna Isabel Chou
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A73158 CA
Self-reported in NPPES; status is on the state search - Practice location
- 340 4TH Avenue, Chula Vista, CA 91910
- Phone
- (619) 425-5559
- Enumerated
- Apr 7, 2006
- Record last updated
- Jan 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (619) 425-5588
- Medicaid ID
- 00A731580 CA
- Medicare enrollment
- Enrolled (PECOS I20040212000238); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Susanna Isabel Chou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average family medicine physician in 2024
1,901 Medicare Part D claims for 90 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 77 claims were for opioids.
Most prescribed
- Losartan Potassium99 claims
- Atorvastatin Calcium84 claims
- Amlodipine Besylate78 claims
- Sertraline Hcl59 claims
- Levothyroxine Sodium55 claims
- Jardiance46 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.
Susanna Isabel Chou among 17,133 family medicine physician records in California
Susanna Isabel Chou, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2005 among the 10,652 with a school on file
- Record last updated2010 · 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).
119 family medicine physician records list a practice address in Chula Vista
They are 119 of the 5,329 NPPES records with a practice address in Chula Vista, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Chula Vista → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ovidiu Alb, M.D.Chula Vista, CA 919101356335731
- Daisy Damasco-Gutierrez, MDChula Vista, CA 919101700841582
- Reuben Farris, MDChula Vista, CA 919101699749911
- Carol Gilmore, M.D.Chula Vista, CA 919101245264530
- Jerome Glincosky, PACChula Vista, CA 919101275507592
- Paul Hubley, MDChula Vista, CA 919101568496974
- Julie Keeler, DOChula Vista, CA 919101912963109
- Kevin Malone, MD, MBAChula Vista, CA 919101053389361
Common questions
What is Susanna Isabel Chou, M.D.'s NPI number?
Susanna Isabel Chou, M.D.'s National Provider Identifier (NPI) is 1104889724, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susanna Isabel Chou, M.D. located?
The NPPES record lists a practice address at 340 4TH Avenue, Chula Vista, CA, 91910. Phone: (619) 425-5559. Providers update this record themselves, so call before visiting.
How can I verify Susanna Isabel Chou, M.D.'s license?
NPPES lists California license number A73158, 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 Susanna Isabel Chou, M.D. prescribe under Medicare Part D?
In 2024, Susanna Isabel Chou, M.D. had 1,901 Medicare Part D claims for 90 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.