STEFAN THOMAS REYNOSO MD
NPI 1437207404
Family Medicine in Claremont, CA

Q: What is Stefan Reynoso's NPI number?

The NPI number for Stefan Reynoso is 1437207404. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Q: What is Stefan Reynoso's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Stefan Reynoso was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 08, 2007PECOS Enrolled

1601 MONTE VISTA AVE STE 190, CLAREMONT, CA 91711(909) 865-9977(909) 469-2119 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 7, 2023, Jul 14, 2022, Jul 6, 2022 and 1 more (4 updates tracked since 2021).

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About Stefan Thomas Reynoso Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEFAN THOMAS REYNOSO MD (NPI 1437207404) is an individual family medicine provider in Claremont, California, licensed in California (A85033) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Hahneman Medical College Of The Pacific (2001).

NPPES Registry Identity

NPI1437207404

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameSTEFAN THOMAS REYNOSOCredential: MD

Location Address1601 MONTE VISTA AVE STE 190Claremont, CA 91711-6600

Mailing Address1601 Monte Vista Ave Ste 190Claremont, CA 91711-6600 · (909) 865-9977 · Fax (909) 469-2119

Phone(909) 865-9977

Fax(909) 469-2119

Sole ProprietorNo

Medical School CMSHahneman Medical College Of The PacificGraduated 2001

Enumeration DateJanuary 8, 2007

Last NPPES UpdateFebruary 25, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 25, 2026

✔ NPI 1437207404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A85033

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1601 MONTE VISTA AVE STE 190, Claremont, CA 91711

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Secondary Practice Locations 2

Location 13110 Chino Ave Ste 150BChino Hills, CA 91709-1295 · Phone (909) 630-6268 · Fax (909) 469-2109

Location 22333 Foothill Blvd Ste CLA Verne, CA 91750-3027 · Phone (909) 392-6511 · Fax (909) 469-2137

Other Identifiers 1

Medicaid1437207404CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stefan Thomas Reynoso Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3577509959

PECOS Enrollment IDI20050707000589

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Stefan Reynoso reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Premier Family Medicine Associates, Inc

Same address

Health Service

1601 MONTE VISTA AVE STE 100
Claremont, CA 91711

Reassigned Medicare billing, California enrollment
50 clinicians in this Medicare group

NPI 1164668786 (909) 630-7938

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

224 services215 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

57 services55 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

56 services56 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

43 services43 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

21 services21 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91711 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICHOLLE A HENLEY D.O.

Family Medicine