JENNIFER Y CHEN MD
NPI 1376771758
Internal Medicine - Gastroenterology in San Francisco, CA

Active since June 24, 2009PECOS EnrolledAccepts Medicare Assignment
91.85/100
CMS Quality Rating
400 PARNASSUS AVE FL 7, SAN FRANCISCO, CA 94143(415) 502-4444(415) 502-2249 Get Directions Write a Review

NPPES record last updated: November 29, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jennifer Y Chen Md NPPES

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

JENNIFER Y CHEN MD (NPI 1376771758) is an individual gastroenterology provider in San Francisco, California, licensed in California (A149830) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Harvard Medical School (2009).

NPPES Registry Identity

NPI1376771758
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameJENNIFER Y CHENCredential: MD
Location Address400 PARNASSUS AVE FL 7San Francisco, CA 94143-2202
Mailing Address400 Parnassus Ave Fl 7San Francisco, CA 94143-2202 · (415) 502-4444 · Fax (415) 502-2249
Fax(415) 502-2249
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2009
Enumeration DateJune 24, 2009
Last NPPES UpdateNovember 29, 2024
NPPES CertifiedNovember 29, 2024
NPI 1376771758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A149830
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 250627 (MA)
400 PARNASSUS AVE FL 7, San Francisco, CA 94143

Secondary Practice Location 1

Location 155 Fruit St, GI UnitBoston, MA 02114-2621 · Phone (617) 724-6113

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

Jennifer Y Chen 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 ID9032363155
PECOS Enrollment IDI20170908003263
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.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
18 services18 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
14 services12 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services13 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.
12 services12 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.

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.

91.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.53
Promoting Interoperability100
Improvement Activities40
Cost68.01

Other Providers at the Same Location NPPES 9

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

Social Worker (Clinical)
400 PARNASSUS AVE FL 7
SAN FRANCISCO, CA 94143
Internal Medicine (Nephrology)
400 PARNASSUS AVE FL 7
SAN FRANCISCO, CA 94143
Nurse Practitioner
400 PARNASSUS AVE FL 7
SAN FRANCISCO, CA 94143
Optometrist
400 PARNASSUS AVE FL 7
SAN FRANCISCO, CA 94143
Ophthalmology
400 PARNASSUS AVE FL 7
SAN FRANCISCO, CA 94143
Internal Medicine (Transplant Hepatology)
400 PARNASSUS AVE FL 7
SAN FRANCISCO, CA 94143
Otolaryngology
400 PARNASSUS AVE FL 7
SAN FRANCISCO, CA 94143
Nurse Practitioner
400 PARNASSUS AVE FL 7
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 Jennifer Chen's NPI number?

The NPI number for Jennifer Chen is 1376771758. It was assigned to this individual provider in the NPPES registry on June 24, 2009.

Where is Jennifer Chen located?

Jennifer Chen practices at 400 Parnassus Ave Fl 7, San Francisco, CA 94143. The listed phone number is (415) 502-4444.

What is Jennifer Chen's specialty?

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

Is Jennifer Chen enrolled in Medicare?

Yes. Jennifer Chen 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 Jennifer Chen was last updated on November 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.