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JAMES HWANG MD
NPI 1659803146
Internal Medicine - Gastroenterology in Ridgecrest, CA

Active since April 03, 2017PECOS EnrolledAccepts Medicare Assignment
82.37/100
CMS Quality Rating
1041 N CHINA LAKE BLVD, RIDGECREST, CA 93555(760) 446-0121 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 4, 2025, Jun 19, 2023 (2 updates tracked since 2023).

About James Hwang Md NPPES

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

JAMES HWANG MD (NPI 1659803146) is an individual gastroenterology provider in Ridgecrest, California, licensed in California (A185481) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1659803146
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJAMES HWANGCredential: MD
Location Address1041 N CHINA LAKE BLVDRidgecrest, CA 93555-3168
Mailing Address1041 N China Lake BlvdRidgecrest, CA 93555-3168 · (760) 446-0121
Phone(760) 446-0121
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 3, 2017
Last NPPES UpdateNovember 4, 20252 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1659803146 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 · A185481
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.
1041 N CHINA LAKE BLVD, Ridgecrest, CA 93555
Open in Google Maps ↗

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

James Hwang 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 ID1951672872
PECOS Enrollment IDI20231010004272, I20231030003823
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 4

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.
121 services117 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
43 services43 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.
30 services28 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.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93555 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
$135.05 typical visit price
range $59.26 – $178.09
Typical copayment $33.76 (range $14.81 – $44.52)
Most-billed visit code 99204
Established Patient
$104.09 typical visit price
range $19.34 – $145.64
Typical copayment $26.02 (range $4.83 – $36.41)
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.

82.37/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.57
Promoting Interoperability100
Improvement Activities40
Cost57.66

Other Providers at the Same Location NPPES 12

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

AVINASH M. MONDKAR M.D.,A MEDICAL CORPORATION
Internal Medicine (Cardiovascular Disease)
1041 N CHINA LAKE BLVD, SUITE A
RIDGECREST, CA 93555
Kern County (310) 657-1995
WILLIAM W FERGUSON M.D.
Family Medicine
1041 N CHINA LAKE BLVD, B
RIDGECREST, CA 93555
Kern County (760) 446-6404
MAURICE DUSOL JR. M.D.
Internal Medicine (Gastroenterology)
1041 N CHINA LAKE BLVD, B
RIDGECREST, CA 93555
Kern County (760) 446-6404
BARBARA N BASS M.D.
Dermatology
1041 N CHINA LAKE BLVD, STE B
RIDGECREST, CA 93555
Kern County (760) 446-6404
ERIN DOHERTY VAN ALLEN PA-C
Physician Assistant (Surgical)
1041 N CHINA LAKE BLVD
RIDGECREST, CA 93555
Kern County (760) 446-0121
DR. HEALTHY JAYANTILAL DESAI M.D.
Orthopaedic Surgery (Sports Medicine)
1041 N CHINA LAKE BLVD, B
RIDGECREST, CA 93555
Kern County (760) 446-6404
RIDGECREST REGIONAL HOSPITAL
Clinic/Center (Rural Health)
1041 N CHINA LAKE BLVD
RIDGECREST, CA 93555
Kern County (760) 446-0121
KATHERINE STIRK FERGUSON MD
Pediatrics
1041 N CHINA LAKE BLVD, B
RIDGECREST, CA 93555
Kern County (760) 446-6404

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 James Hwang's NPI number?

The NPI number for James Hwang is 1659803146. It was assigned to this individual provider in the NPPES registry on April 3, 2017.

Where is James Hwang located?

James Hwang practices at 1041 N China Lake Blvd, Ridgecrest, CA 93555. The listed phone number is (760) 446-0121.

What is James Hwang's specialty?

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

Is James Hwang enrolled in Medicare?

Yes. James Hwang 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 James Hwang was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.