MOON KYUNG CHOI MD
NPI 1235650953
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Francisco, CA

Active since July 03, 2017PECOS EnrolledAccepts Medicare Assignment
400 PARNASSUS AVE STE A-550, SAN FRANCISCO, CA 94143(415) 353-2350 Get Directions Write a Review

NPPES record last updated: July 11, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 11, 2021, Jul 6, 2017 (2 updates tracked since 2017).

About Moon Kyung Choi Md NPPES

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

MOON KYUNG CHOI MD (NPI 1235650953) is an individual endocrinology, diabetes & metabolism provider in San Francisco, California, licensed in California (A171623) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1235650953
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMOON KYUNG CHOICredential: MD
Location Address400 PARNASSUS AVE STE A-550San Francisco, CA 94143-2202
Mailing Address400 Parnassus Avenue, #a-549-b, Box 1222San Francisco, CA 94143-2202 · (415) 353-8946
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 3, 2017
Last NPPES UpdateJuly 11, 20212 updates tracked since enumeration
NPPES CertifiedJuly 11, 2021
NPI 1235650953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in CA · A171623
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License MT212454 (PA)
400 PARNASSUS AVE STE A-550, San Francisco, CA 94143

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

Moon Kyung Choi 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 ID345663795
PECOS Enrollment IDI20230728001634
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.

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
88 services31 patients
Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 99451
This service involves a consulting physician assessing your health condition via a phone or internet interaction. The doctor will spend at least 5 minutes discussing your health concerns. Afterwards, a written report summarizing the findings and recommendations will be provided for your reference.
58 services42 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.
22 services22 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.
17 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 2

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

Nurse Practitioner
400 PARNASSUS AVE STE A-550
SAN FRANCISCO, CA 94143
Internal Medicine (Endocrinology, Diabetes & Metabolism)
400 PARNASSUS AVE STE A-550
SAN FRANCISCO, CA 94143

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 Moon Kyung Choi's NPI number?

The NPI number for Moon Kyung Choi is 1235650953. It was assigned to this individual provider in the NPPES registry on July 3, 2017.

Where is Moon Kyung Choi located?

Moon Kyung Choi practices at 400 Parnassus Ave Ste A-550, San Francisco, CA 94143. The listed phone number is (415) 353-2350.

What is Moon Kyung Choi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Moon Kyung Choi enrolled in Medicare?

Yes. Moon Kyung Choi 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 Moon Kyung Choi was last updated on July 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.