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DR. KATHERINE H.Y. NGUYEN M.D.
NPI 1356319875
Internal Medicine - Rheumatology in San Diego, CA

Active since March 10, 2006PECOS EnrolledAccepts Medicare Assignment
200 W ARBOR DR, SAN DIEGO, CA 92103(619) 543-6248 Get Directions Write a Review

NPPES record last updated: June 8, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Katherine H.y. Nguyen M.d. NPPES

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

DR. KATHERINE H.Y. NGUYEN M.D. (NPI 1356319875) is an individual rheumatology provider in San Diego, California, licensed in California (G079343) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1992).

NPPES Registry Identity

NPI1356319875
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. KATHERINE H.Y. NGUYENCredential: M.D.
Location Address200 W ARBOR DRSan Diego, CA 92103
Mailing AddressPo Box 232410San Diego, CA 92193-2410
Phone(619) 543-6248
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1992
Enumeration DateMarch 10, 2006
Last NPPES UpdateJune 8, 2018
✔ NPI 1356319875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · G079343
Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

200 W ARBOR DR, San Diego, CA 92103
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Other Identifiers 1

Medicaid00G793430CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Katherine H.y. Nguyen 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 ID3971496993
PECOS Enrollment IDI20040204000513
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.

Areas of Expertise CMS Part B claims 8

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 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.
324 services158 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.
316 services136 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
68 services13 patients
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.
54 services43 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
51 services11 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
45 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

DR. ALFREDO B. TIU D.O.
Internal Medicine (Nephrology)
200 W ARBOR DR, OWEN CLINIC
SAN DIEGO, CA 92103
San Diego County (619) 543-2415
DR. SIDNEY MERRITT MD
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (619) 543-5720
DR. NAVPARKASH SANDHU M.D.
Anesthesiology
200 W ARBOR DR, UCSD MED CENTER
SAN DIEGO, CA 92103
San Diego County (619) 543-5742
JOHN T BESTOSO M.D.
Internal Medicine (Nephrology)
200 W ARBOR DR, UCSD MEDICAL CENTER, SUITE 8781
SAN DIEGO, CA 92103
San Diego County (619) 543-7310
DR. MICHAEL WARREN NIELSEN MD
Emergency Medicine
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (619) 543-6236
PAUL JOSEPH GIRARD M.D.
Orthopaedic Surgery
200 W ARBOR DR, ORTHOPAEDIC SURGERY CLINIC, MAIL CODE 8670
SAN DIEGO, CA 92103
San Diego County (619) 543-6312
DR. SVETLANA KATSEV M.D.
Internal Medicine (Cardiovascular Disease)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (619) 543-7230
MS. CHRISTINE ELIZABETH ROBINSON APRN, BC
Nurse Practitioner (Primary Care)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (619) 294-3777

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 Katherine Nguyen's NPI number?

The NPI number for Katherine Nguyen is 1356319875. It was assigned to this individual provider in the NPPES registry on March 10, 2006.

Where is Katherine Nguyen located?

Katherine Nguyen practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (619) 543-6248.

What is Katherine Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Katherine Nguyen enrolled in Medicare?

Yes. Katherine Nguyen 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.

When was this NPI record last updated?

The NPPES record for Katherine Nguyen was last updated on June 8, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.