DR. KRYSTAL HANH TRAN PHAM MD
NPI 1710001763
Obstetrics & Gynecology in Fountain Valley, CA

Q: What is Krystal Pham's NPI number?

The NPI number for Krystal Pham is 1710001763. It was assigned to this individual provider in the NPPES registry on March 16, 2007.

Q: What is Krystal 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 Krystal Pham was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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 March 16, 2007PECOS EnrolledAccepts Medicare Assignment

11160 WARNER AVE STE 219, FOUNTAIN VALLEY, CA 92708(714) 486-1228(714) 486-3108 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Jan 24, 2023, Mar 23, 2016 (3 updates tracked since 2016).

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About Dr. Krystal Hanh Tran Pham Md NPPES

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

DR. KRYSTAL HANH TRAN PHAM MD (NPI 1710001763) is an individual obstetrics & gynecology provider in Fountain Valley, California, licensed in California (A114075) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2003).

NPPES Registry Identity

NPI1710001763

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. KRYSTAL HANH TRAN PHAMCredential: MD

Location Address11160 WARNER AVE STE 219Fountain Valley, CA 92708-4048

Mailing Address11160 Warner Ave Ste 219Fountain Valley, CA 92708-4048 · (714) 486-1228 · Fax (714) 486-3108

Phone(714) 486-1228

Fax(714) 486-3108

Sole ProprietorNo

Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2003

Enumeration DateMarch 16, 2007

Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration

NPPES CertifiedJanuary 24, 2023

✔ NPI 1710001763 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 · A114075

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.

11160 WARNER AVE STE 219, Fountain Valley, CA 92708

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Other Identifiers 3

Other12284NV · Medical License

Other15803NV · Pharmacy License

OtherA114075CA · Medical License

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

Dr. Krystal Hanh Tran Pham Md 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 ID5890882930

PECOS Enrollment IDI20110714000677

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 Krystal Pham reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Krystal Pham Ob Gyn Inc

Same address

Obstetrics & Gynecology

11160 WARNER AVE STE 219
Fountain Valley, CA 92708

Reassigned Medicare billing, California enrollment

NPI 1629436514 (714) 486-1228

Hoag Clinic

5.9 mi

Primary Care

510 SUPERIOR AVE
Newport Beach, CA 92663

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

NPI 1942799523 (949) 791-3001

Magella Medical Group, Inc.

16 mi

Maternal & Fetal Medicine

2888 LONG BEACH BLVD STE 400
Long Beach, CA 90806

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

NPI 1376640086 (562) 997-8510

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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.

Other Providers at the Same Location NPPES 2

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

MICHAEL J. VIZCARRA, M.D., INC.

Obstetrics & Gynecology

11160 WARNER AVE STE 219
FOUNTAIN VALLEY, CA 92708

Orange County (714) 556-0536

KRYSTAL PHAM OB GYN INC

Obstetrics & Gynecology

11160 WARNER AVE STE 219
FOUNTAIN VALLEY, CA 92708

Orange County (714) 486-1228

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 Krystal Pham's NPI number?

The NPI number for Krystal Pham is 1710001763. It was assigned to this individual provider in the NPPES registry on March 16, 2007.

Where is Krystal Pham located?

Krystal Pham practices at 11160 Warner Ave Ste 219, Fountain Valley, CA 92708. The listed phone number is (714) 486-1228.

What is Krystal Pham's specialty?

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

Is Krystal Pham enrolled in Medicare?

Yes. Krystal 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 Krystal Pham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Krystal Pham reassigns Medicare benefits to 3 organizations: Krystal Pham Ob Gyn Inc (Fountain Valley, CA), Hoag Clinic (Newport Beach, CA) and Magella Medical Group, Inc. (Long Beach, 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 Krystal 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 Krystal Pham was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.