LOY ANH PHAM M.D.
NPI 1982648374
Obstetrics & Gynecology in Downey, CA

Q: What is Loy Pham's NPI number?

The NPI number for Loy Pham is 1982648374. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Q: What is Loy Pham's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Loy Pham was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 June 15, 2006PECOS EnrolledAccepts Medicare Assignment

11411 BROOKSHIRE AVE STE 302, DOWNEY, CA 90241(562) 904-5151(562) 904-5353 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Loy Anh Pham M.d. NPPES

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

LOY ANH PHAM M.D. (NPI 1982648374) is an individual obstetrics & gynecology provider in Downey, California, licensed in California (A45904) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1982648374

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameLOY ANH PHAMCredential: M.D.

Location Address11411 BROOKSHIRE AVE STE 302Downey, CA 90241-5005

Mailing Address11411 Brookshire Ave Ste 302Downey, CA 90241-5005 · (562) 904-5151 · Fax (562) 904-5353

Phone(562) 904-5151

Fax(562) 904-5353

Sole ProprietorNo

Medical School CMSOtherGraduated 1985

Enumeration DateJune 15, 2006

Last NPPES UpdateJanuary 9, 2026

NPPES CertifiedJanuary 9, 2026

✔ NPI 1982648374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A45904

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

11411 BROOKSHIRE AVE STE 302, Downey, CA 90241

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Loy Anh Pham M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163420415

PECOS Enrollment IDI20110308000922

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 Reassignments

Medicare enrollment records show Loy Pham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pih Health Physicians

Same address

Family Medicine

11411 BROOKSHIRE AVE STE 207
Downey, CA 90241

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

NPI 1265951099 (562) 904-4411

Drs. Mishal, Pham & Associates

1.0 mi

Obstetrics & Gynecology

8500 FLORENCE AVE, SUITE 200
Downey, CA 90240

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

NPI 1518998723 (562) 869-4579

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 2

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.

26 services15 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90241 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

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

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Loy Pham's NPI number?

The NPI number for Loy Pham is 1982648374. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is Loy Pham located?

Loy Pham practices at 11411 Brookshire Ave Ste 302, Downey, CA 90241. The listed phone number is (562) 904-5151.

What is Loy Pham's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Loy Pham enrolled in Medicare?

Yes. Loy Pham is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Loy Pham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Loy Pham reassigns Medicare benefits to 2 organizations: Pih Health Physicians (Downey, CA) and Drs. Mishal, Pham & Associates (Downey, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Loy Pham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Loy Pham was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.