Teresa Joy Sigala, M.D.
Internal Medicine Physician · Fresno, CA
Teresa Joy Sigala, M.D. is an internal medicine physician with a practice address in Fresno, California, and NPI 1487663233, issued on Aug 7, 2006. Check the license (California G78051, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Teresa Joy Sigala
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G78051 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2335 E Kashian LN Ste 280, Fresno, CA 93701
- Phone
- (559) 320-1090
- Enumerated
- Aug 7, 2006
- Record last updated
- Nov 1, 2022
- Fax
- (559) 320-0331
- Medicaid ID
- J1044 NM
- Medicare enrollment
- Enrolled (PECOS I20150523000048); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2335 E Kashian LN Ste 280
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Teresa Joy Sigala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78051Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,729 Medicare Part D claims for 226 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 102 claims were for opioids.
Most prescribed
- Atorvastatin Calcium139 claims
- Levothyroxine Sodium104 claims
- Jardiance99 claims
- Lisinopril92 claims
- Losartan Potassium91 claims
- Gabapentin79 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: $573.69
29 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Community Health PartnersFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Teresa Joy Sigala among 17,696 internal medicine physician records in California
Teresa Joy Sigala, 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 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
- Graduated1992 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 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).
335 internal medicine physician records list a practice address in Fresno
They are 335 of the 19,440 NPPES records with a practice address in Fresno, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fresno → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Ali Fayed, MDFresno, CA 937011316931934
- Wagih Ibrahim, MDFresno, CA 937011518152867
- Alan Kelton, MDFresno, CA 937011508851056
- Ma. Danna Magallanes, MDFresno, CA 937011902035108
- Ogochukwu Molokwu, M.DFresno, CA 937011952398000
- Ai Pham, M.D.Fresno, CA 937011164616736
Common questions
What is Teresa Joy Sigala, M.D.'s NPI number?
Teresa Joy Sigala, M.D.'s National Provider Identifier (NPI) is 1487663233, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Teresa Joy Sigala, M.D. located?
The NPPES record lists a practice address at 2335 E Kashian LN Ste 280, Fresno, CA, 93701. Phone: (559) 320-1090. Providers update this record themselves, so call before visiting.
How can I verify Teresa Joy Sigala, M.D.'s license?
NPPES lists California license number G78051, 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 Teresa Joy Sigala, M.D. prescribe under Medicare Part D?
In 2024, Teresa Joy Sigala, M.D. had 2,729 Medicare Part D claims for 226 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.