Susan Guzman Sanchez, M.D.
Internal Medicine Physician · Los Angeles, CA
Susan Guzman Sanchez, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1366599987, issued on Jan 4, 2007. Check the license (California A55822, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susan Guzman Sanchez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A55822 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1414 S Grand Ave, Los Angeles, CA 90015
- Phone
- (213) 741-9727
- Enumerated
- Jan 4, 2007
- Record last updated
- Jun 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (213) 741-0867
- Medicare enrollment
- Enrolled (PECOS I20101101000399); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1414 S Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Susan Guzman Sanchez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average internal medicine physician in 2024
3,533 Medicare Part D claims for 175 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 85 claims were for opioids.
Most prescribed
- Atorvastatin Calcium275 claims
- Metformin Hcl170 claims
- Omeprazole149 claims
- Losartan Potassium139 claims
- Amlodipine Besylate138 claims
- Gabapentin133 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: $93.33
4 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. 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 one group practice
- County OF Los AngelesLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Guzman Sanchez among 17,696 internal medicine physician records in California
Susan Guzman Sanchez, 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
- Graduated1986 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Jesus Carlos, M.D.Los Angeles, CA 900151609954155
- Blanca Fajardo, MDLos Angeles, CA 900151700998804
- Albert Fite, M.D.Los Angeles, CA 900151326052218
- Jeffrey Harris, MDLos Angeles, CA 900151326038647
- Elsa Hartwick, M.D.Los Angeles, CA 900151558375022
Common questions
What is Susan Guzman Sanchez, M.D.'s NPI number?
Susan Guzman Sanchez, M.D.'s National Provider Identifier (NPI) is 1366599987, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Susan Guzman Sanchez, M.D. located?
The NPPES record lists a practice address at 1414 S Grand Ave, Los Angeles, CA, 90015. Phone: (213) 741-9727. Providers update this record themselves, so call before visiting.
How can I verify Susan Guzman Sanchez, M.D.'s license?
NPPES lists California license number A55822, 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 Susan Guzman Sanchez, M.D. prescribe under Medicare Part D?
In 2024, Susan Guzman Sanchez, M.D. had 3,533 Medicare Part D claims for 175 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.