DR. JOHN J HONG MD
NPI 1023088630
Internal Medicine - Gastroenterology in Fallbrook, CA

Q: What is John Hong's NPI number?

The NPI number for John Hong is 1023088630. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Q: What is John Hong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for John Hong was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since January 25, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

521 EAST ELDER ST, #104, FALLBROOK, CA 92028(760) 728-9560(760) 728-9020 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. John J Hong Md NPPES

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

DR. JOHN J HONG MD (NPI 1023088630) is an individual gastroenterology provider in Fallbrook, California, licensed in California (A63582) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Miami, Lm Miller School Of Medicine (1996).

NPPES Registry Identity

NPI1023088630

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. JOHN J HONGCredential: MD

Location Address521 EAST ELDER ST, #104Fallbrook, CA 92028

Mailing Address28078 Baxter Rd Ste 530Murrieta, CA 92563-1405 · (951) 290-5472 · Fax (951) 698-0272

Phone(760) 728-9560

Fax(760) 728-9020

Sole ProprietorNo

Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 1996

Enumeration DateJanuary 25, 2006

Last NPPES UpdateJanuary 5, 2026

NPPES CertifiedJanuary 5, 2026

✔ NPI 1023088630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · A63582

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

521 EAST ELDER ST, Fallbrook, CA 92028

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Other Identifiers 2

MedicaidGR0050840CA

Medicaid00A635820CA

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. John J Hong 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 ID5193628758

PECOS Enrollment IDI20040204001049

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 13

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.

572 services359 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

474 services470 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

467 services395 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

213 services212 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

166 services146 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

143 services143 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

93 services92 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.

91 services82 patients

Banding of hemorrhoids using a flexible endoscope (colonoscope) 45398

Banding of hemorrhoids using a colonoscope is a procedure to treat swollen blood vessels in your lower digestive tract. A flexible tube with a light and camera, called a colonoscope, helps locate the hemorrhoids. Then, tiny rubber bands are placed around them, cutting off their blood supply. This causes them to shrink and fall off.

84 services84 patients

Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251

This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.

67 services63 patients

Measurement of hydrogen in breath to test for stomach and bowel symptoms 91065

This test involves breathing into a bag to measure hydrogen levels in your breath. High levels can indicate issues with food digestion or absorption in your stomach or intestines. It's non-invasive, painless, and helps diagnose certain gastrointestinal conditions.

54 services51 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.

47 services44 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92028 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.

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

Leave this field empty

Other Providers at the Same Location NPPES

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

DR. THOMAS W EASTMAN DO

Internal Medicine (Gastroenterology)

521 EAST ELDER ST, #104
FALLBROOK, CA 92028

San Diego County (760) 728-9560

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 John Hong's NPI number?

The NPI number for John Hong is 1023088630. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is John Hong located?

John Hong practices at 521 East Elder St #104, Fallbrook, CA 92028. The listed phone number is (760) 728-9560.

What is John Hong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Hong enrolled in Medicare?

Yes. John Hong 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 John Hong was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.