1. Home
  2. Directory
  3. California
  4. La Jolla
  5. Obstetrics Gynecology
  6. NPI Profile

DR. QUYEN NGUYEN KELLY MD
NPI 1356920367
Obstetrics & Gynecology in La Jolla, CA

Active since April 06, 2021PECOS Enrolled
9850 GENESEE AVE STE 820, LA JOLLA, CA 92037(858) 677-0777(858) 677-0666 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 3, 2025, Jul 9, 2025, Jul 2, 2025 and 4 more (7 updates tracked since 2021).

About Dr. Quyen Nguyen Kelly Md NPPES

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

DR. QUYEN NGUYEN KELLY MD (NPI 1356920367) is an individual obstetrics & gynecology provider in La Jolla, California, licensed in California (A201004) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Encinitas, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1356920367
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. QUYEN NGUYEN KELLYCredential: MD
Location Address9850 GENESEE AVE STE 820La Jolla, CA 92037-1219
Mailing Address9850 Genesee Ave Ste 820La Jolla, CA 92037-1219 · (858) 677-0777 · Fax (858) 677-0666
Phone(858) 677-0777
Fax(858) 677-0666
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 6, 2021
Last NPPES UpdateSeptember 3, 20257 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1356920367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CA · A201004✔ Licensed in NY · 338161
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.
9850 GENESEE AVE STE 820, La Jolla, CA 92037
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Baoquyen Nguyen Md

Secondary Practice Location 1

Location 1477 N El Camino Real Ste C208Encinitas, CA 92024-1332 · Phone (858) 677-0777 · Fax (858) 677-0666

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Quyen Nguyen Kelly Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688173545
PECOS Enrollment IDI20250818002368
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

2

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

San Diego Women's Health, Inc.
Same address
Obstetrics & Gynecology
9850 GENESEE AVE STE 820
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: San Diego Womens Health Inc
  • 5 clinicians in this Medicare group
NPI 1396986667 (858) 677-0777
Inwood Community Health Center
2,446 mi
Clinic/Center
270 LAWRENCE AVE.
Inwood, NY 11096
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Nassau Health Care Corporation
  • 553 clinicians in this Medicare group
NPI 1881619708 (516) 571-7874

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 92037 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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 8

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

KASEY NICOLE FONTAINE PA-C
Physician Assistant
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 677-0777
ASHLEY RENE WESTMORELAND MD
Obstetrics & Gynecology
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 677-0777
SAN DIEGO WOMEN'S HEALTH, INC.
Obstetrics & Gynecology
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 677-0777
DR. COLLEEN ELIZABETH MULLIN M.D.
Obstetrics & Gynecology
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 677-0777
ROBERT LEE WAGNER JR. M.D.
Anesthesiology (Pain Medicine)
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 454-5442
SDPM MEDICAL GROUP, INCORPORATED
Anesthesiology (Pain Medicine)
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 454-5442
BROOKE O'NEILL PA-C
Obstetrics & Gynecology
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 677-0777
AUDREY LUNDE MD
Obstetrics & Gynecology
9850 GENESEE AVE STE 820
LA JOLLA, CA 92037
San Diego County (858) 677-0777

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 Quyen Kelly's NPI number?

The NPI number for Quyen Kelly is 1356920367. It was assigned to this individual provider in the NPPES registry on April 6, 2021. The provider is also known as Dr. Baoquyen Nguyen MD.

Where is Quyen Kelly located?

Quyen Kelly practices at 9850 Genesee Ave Ste 820, La Jolla, CA 92037. The listed phone number is (858) 677-0777.

What is Quyen Kelly's specialty?

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

Is Quyen Kelly enrolled in Medicare?

Yes. Quyen Kelly is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Quyen Kelly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Quyen Kelly reassigns Medicare benefits to 2 organizations: San Diego Women's Health, Inc. (La Jolla, CA) and Inwood Community Health Center (Inwood, NY). 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 Quyen Kelly'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 Quyen Kelly was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.