Judith Anne Flandez, PA-C
Physician Assistant · Fairfield, CA
Judith Anne Flandez, PA-C is a physician assistant with a practice address in Fairfield, California, and NPI 1316482250, issued on Jan 2, 2017. Check the license (California 54101, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Judith Anne Flandez
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 54101 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2458 Hilborn RD, Fairfield, CA 94534
- Phone
- (707) 646-4414
- Enumerated
- Jan 2, 2017
- Record last updated
- Dec 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20170215002579); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2458 Hilborn RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Judith Anne Flandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 54101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average physician assistant in 2024
11 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $40.22
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 64,719 providers of this specialty with any payment received $841.65 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 3 group practices
- Northbay Health Medical FoundationFairfield, CA
- Northbay Physicians Surgery Center, LLCFairfield, CA
- Urgent Care Plus Telehealth IncBenicia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judith Anne Flandez among 14,451 physician assistant records in California
Judith Anne Flandez, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2016 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 physician assistant records list a practice address in Fairfield
They are 36 of the 3,595 NPPES records with a practice address in Fairfield, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Fairfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mara Adelman, PHYSICIANS ASST PAFairfield, CA 945341124053483
- Jonathan Delgado-Lopez, PA-CFairfield, CA 945341548738198
- Taylor Garcia, PA-CFairfield, CA 945341760056592
- Samantha Guy, PAFairfield, CA 945341467891366
- Amy Keyes, PA-CFairfield, CA 945341689046310
- Christine Knob, PHYSICIAN ASSISTANTFairfield, CA 945341740313584
- Inna Markiv, P.A.Fairfield, CA 945341952480451
- Hanna Massee, PA-CFairfield, CA 945341487298667
Common questions
What is Judith Anne Flandez, PA-C's NPI number?
Judith Anne Flandez, PA-C's National Provider Identifier (NPI) is 1316482250, issued on Jan 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Judith Anne Flandez, PA-C located?
The NPPES record lists a practice address at 2458 Hilborn RD, Fairfield, CA, 94534. Phone: (707) 646-4414. Providers update this record themselves, so call before visiting.
How can I verify Judith Anne Flandez, PA-C's license?
NPPES lists California license number 54101, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Judith Anne Flandez, PA-C prescribe under Medicare Part D?
In 2024, Judith Anne Flandez, PA-C had 11 Medicare Part D claims; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Judith Anne Flandez, PA-C's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.