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DR. ALFRED SUNG HONG M.D.
NPI 1689901746
Obstetrics & Gynecology in Los Angeles, CA

Active since November 11, 2009PECOS Enrolled
76.26/100
CMS Quality Rating
2051 MARENGO STREET, DEPT OB/GYN INPATIENT TOWER C3 F107, LOS ANGELES, CA 90033(323) 409-8848 Get Directions Write a Review

NPPES record last updated: November 11, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alfred Sung Hong M.d. NPPES

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

DR. ALFRED SUNG HONG M.D. (NPI 1689901746) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (A102767) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689901746
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. ALFRED SUNG HONGCredential: M.D.
Location Address2051 MARENGO STREET, DEPT OB/GYN INPATIENT TOWER C3 F107Los Angeles, CA 90033
Mailing Address645 W 9th St, #336Los Angeles, CA 90015-1640 · (310) 621-7177
Phone(323) 409-8848
Sole ProprietorYes
Enumeration DateNovember 11, 2009
✔ NPI 1689901746 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 · A102767
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.
2051 MARENGO STREET, Los Angeles, CA 90033
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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 (PECOS)

Dr. Alfred Sung Hong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Alfred Hong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carl K. Moy, M.D. Inc.
2.1 mi
Obstetrics & Gynecology
711 W COLLEGE ST, SUITE 540
Los Angeles, CA 90012
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1689760316 (213) 626-5151
Pih Health Physicians
3.4 mi
Internal Medicine
1245 WILSHIRE BLVD, STE 307, 430, 470, 480, 530, 690, 804, 905
Los Angeles, CA 90017
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
NPI 1194394064 (213) 482-2770

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 90033 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality62.74
Improvement Activities40
Cost59.29

Other Providers at the Same Location NPPES 10

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

DAT HUU PHAM
Respiratory Therapist, Registered (Neonatal/Pediatrics)
2051 MARENGO STREET
LOS ANGELES, CA 90033
Los Angeles County (323) 409-1000
ANALIESE MARIE DICONTI-GIBBS M.D.
Hospitalist
2051 MARENGO STREET, CLINIC TOWER A6E
LOS ANGELES, CA 90033
Los Angeles County (323) 409-5669
MR. OSCAR DELBERT MILES-SMITH JR. PA
Physician Assistant
2051 MARENGO STREET, LAC USC MEDICAL CENTER, IPT ROOM C1A113
LOS ANGELES, CA 90033
Los Angeles County (323) 409-6715
DR. ERIN DANIELLE MYERS MD
Pediatrics (Neonatal-Perinatal Medicine)
2051 MARENGO STREET, DIVISION OF NEWBORN MEDICINE, IRD BUILDING ROOM 820
LOS ANGELES, CA 90033
Los Angeles County (323) 409-3406
MR. MELVIN BROWN RCP
Respiratory Therapist, Registered
2051 MARENGO STREET
LOS ANGELES, CA 90033
Los Angeles County (323) 409-7928
SIDEEKA AJULO RRT-NPS
Respiratory Therapist, Registered (Critical Care)
2051 MARENGO STREET, RESPIRATORY DEPARTMENT
LOS ANGELES, CA 90033
Los Angeles County (559) 481-1599
KRISTOPHER ALLEN CARLE M.D.
Emergency Medicine
2051 MARENGO STREET, INPATIENT TOWER-ROOM C1A100
LOS ANGELES, CA 90033
Los Angeles County (714) 401-8215
MISATO KOIZUMI
Registered Nurse
2051 MARENGO STREET, IPT-5M
LOS ANGELES, CA 90033
Los Angeles County (323) 409-7750

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 Alfred Hong's NPI number?

The NPI number for Alfred Hong is 1689901746. It was assigned to this individual provider in the NPPES registry on November 11, 2009.

Where is Alfred Hong located?

Alfred Hong practices at 2051 Marengo Street Dept Ob/Gyn Inpatient Tower C3 F107, Los Angeles, CA 90033. The listed phone number is (323) 409-8848.

What is Alfred Hong's specialty?

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

Is Alfred Hong enrolled in Medicare?

Yes. Alfred Hong is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alfred Hong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfred Hong reassigns Medicare benefits to 2 organizations: Carl K. Moy, M.D. Inc. (Los Angeles, CA) and Pih Health Physicians (Los Angeles, 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 Alfred Hong'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 Alfred Hong was last updated on November 11, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.