DR. BENEDICT TIEN CHOU M.D.
NPI 1770759375
Internal Medicine - Rheumatology in San Francisco, CA

Active since May 03, 2008PECOS EnrolledAccepts Medicare Assignment
2238 GEARY BLVD, SAN FRANCISCO, CA 94115(415) 833-0772(415) 833-5009 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 21, 2021, Aug 24, 2020 (2 updates tracked since 2020).

About Dr. Benedict Tien Chou M.d. NPPES

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

DR. BENEDICT TIEN CHOU M.D. (NPI 1770759375) is an individual rheumatology provider in San Francisco, California, licensed in California (A120132) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of New York University School Of Medicine (2008).

NPPES Registry Identity

NPI1770759375
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. BENEDICT TIEN CHOUCredential: M.D.
Location Address2238 GEARY BLVDSan Francisco, CA 94115-3416
Mailing Address2238 Geary BlvdSan Francisco, CA 94115-3416 · (415) 833-0772 · Fax (415) 833-5009
Fax(415) 833-5009
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2008
Enumeration DateMay 3, 2008
Last NPPES UpdateDecember 21, 20212 updates tracked since enumeration
NPPES CertifiedAugust 24, 2020
✔ NPI 1770759375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · A120132
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License A120132 (CA)
2238 GEARY BLVD, San Francisco, CA 94115

Secondary Practice Location 1

Location 11000 Veteran Ave Rm 32-59Los Angeles, CA 90024-2704 · Phone (310) 825-6301 · Fax (310) 794-6553

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

Dr. Benedict Tien Chou 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 ID6901123769
PECOS Enrollment IDI20150317000231
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

3

Medicare enrollment records show Benedict Chou reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
Clinic/Center
335 E AVENUE I
Lancaster, CA 93535
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Los Angeles
  • 1,939 clinicians in this Medicare group
Family Medicine
3333 SKYPARK DR, SUITE 100
Torrance, CA 90505
  • Reassigned Medicare billing, California enrollment
  • 388 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.

Areas of Expertise CMS Part B claims 6

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 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.
98 services71 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.
64 services64 patients
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.
59 services31 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
50 services28 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
30 services19 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.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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 20

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

Pharmacist (Oncology)
2238 GEARY BLVD, 8TH FLOOR PHARMACY
SAN FRANCISCO, CA 94115
Pharmacist
2238 GEARY BLVD
SAN FRANCISCO, CA 94115
Nurse Practitioner (Women's Health)
2238 GEARY BLVD
SAN FRANCISCO, CA 94115
Internal Medicine (Rheumatology)
2238 GEARY BLVD
SAN FRANCISCO, CA 94115
Pharmacist
2238 GEARY BLVD
SAN FRANCISCO, CA 94115
Pharmacist
2238 GEARY BLVD
SAN FRANCISCO, CA 94115
Nurse Practitioner (Women's Health)
2238 GEARY BLVD
SAN FRANCISCO, CA 94115
Internal Medicine
2238 GEARY BLVD
SAN FRANCISCO, CA 94115

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 Benedict Chou's NPI number?

The NPI number for Benedict Chou is 1770759375. It was assigned to this individual provider in the NPPES registry on May 3, 2008.

Where is Benedict Chou located?

Benedict Chou practices at 2238 Geary Blvd, San Francisco, CA 94115. The listed phone number is (415) 833-0772.

What is Benedict Chou's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Benedict Chou enrolled in Medicare?

Yes. Benedict Chou 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 Benedict Chou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benedict Chou reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (San Francisco, CA), County Of Los Angeles Auditor Controller (Lancaster, CA) and Torrance Health Association Inc (Torrance, 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 Benedict Chou'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 Benedict Chou was last updated on December 21, 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.