FRANK HUANG M.D.
NPI 1740513647
Internal Medicine - Pulmonary Disease in San Diego, CA

Active since September 09, 2009PECOS EnrolledAccepts Medicare Assignment
4647 ZION AVE, PULMONARY DISEASES, SAN DIEGO, CA 92120(877) 236-0333 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Frank Huang M.d. NPPES

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

FRANK HUANG M.D. (NPI 1740513647) is an individual pulmonary disease provider in San Diego, California, licensed in California (A125263) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1740513647
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameFRANK HUANGCredential: M.D.
Location Address4647 ZION AVE, PULMONARY DISEASESSan Diego, CA 92120-2507
Mailing Address4647 Zion Ave, Pulmonary DiseasesSan Diego, CA 92120-2507
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateSeptember 9, 2009
Last NPPES UpdateNovember 29, 2021
✔ NPI 1740513647 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · A125263
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A125263 (CA)
4647 ZION AVE, San Diego, CA 92120

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

Frank Huang 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 ID4284899832
PECOS Enrollment IDI20141202000097
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 Frank Huang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
Hospitalist
1940 EL CAJON BLVD
San Diego, CA 92104
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group

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 92120 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.

Obstetrics & Gynecology
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine
4647 ZION AVE, DEPARTMENT OF HOSPITAL MEDICINE
SAN DIEGO, CA 92120
Pharmacist
4647 ZION AVE
SAN DIEGO, CA 92120
Nurse Anesthetist, Certified Registered
4647 ZION AVE
SAN DIEGO, CA 92120
Social Worker (Clinical)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Pulmonary Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120

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 Frank Huang's NPI number?

The NPI number for Frank Huang is 1740513647. It was assigned to this individual provider in the NPPES registry on September 9, 2009.

Where is Frank Huang located?

Frank Huang practices at 4647 Zion Ave Pulmonary Diseases, San Diego, CA 92120. The listed phone number is (877) 236-0333.

What is Frank Huang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Frank Huang enrolled in Medicare?

Yes. Frank Huang 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 Frank Huang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Frank Huang reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and Knd Development 59 LLC (San Diego, 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 Frank Huang'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 Frank Huang was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.