NIKHIL AGARWAL M.D.
NPI 1487831145
Internal Medicine - Gastroenterology in San Francisco, CA

Q: What is Nikhil Agarwal's NPI number?

The NPI number for Nikhil Agarwal is 1487831145. It was assigned to this individual provider in the NPPES registry on January 24, 2008.

Q: What is Nikhil Agarwal'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 Nikhil Agarwal was last updated on June 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since January 24, 2008PECOS EnrolledAccepts Medicare Assignment

2340 CLAY ST, 2ND FLOOR, SAN FRANCISCO, CA 94115(415) 600-3458 Get Directions Write a Review

NPPES record last updated: June 3, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Nikhil Agarwal M.d. NPPES

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

NIKHIL AGARWAL M.D. (NPI 1487831145) is an individual gastroenterology provider in San Francisco, California, licensed in California (A102503) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1487831145

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameNIKHIL AGARWALCredential: M.D.

Location Address2340 CLAY ST, 2ND FLOORSan Francisco, CA 94115-1932

Mailing Address325 Distel Cir Fl 2Los Altos, CA 94022-1408 · (415) 600-1138

Phone(415) 600-3458

Sole ProprietorYes

Medical School CMSOtherGraduated 2006

Enumeration DateJanuary 24, 2008

Last NPPES UpdateJune 3, 2020

NPPES CertifiedJune 3, 2020

✔ NPI 1487831145 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 · A102503

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 A102503 (CA)

2340 CLAY ST, San Francisco, CA 94115

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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

Nikhil Agarwal 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 ID7113057159

PECOS Enrollment IDI20100617000492

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 Reassignment

Medicare enrollment records show Nikhil Agarwal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation

15 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
Also billed through NPI 1164840088 (California), NPI 1497996524 (California), NPI 1982845186 (California), NPI 1568851327 (California)
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

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 14

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 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.

108 services82 patients

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.

85 services84 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.

82 services82 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.

71 services71 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.

65 services63 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.

56 services49 patients

Test for tone and sensation of rectum and anus 91120

This procedure checks the health of the lower digestive tract. The doctor gently examines the area to assess its muscle strength and sensitivity. This helps in detecting any abnormal conditions. It's a standard, safe procedure with minimal discomfort.

32 services32 patients

Study of rectum sensitivity and function 91122

This procedure examines the rectum's sensitivity and functionality. It involves a small, soft balloon inserted into the rectum and inflated to various degrees. The goal is to assess how well your rectum can sense and respond to different volumes. It's a crucial test for diagnosing certain digestive issues.

32 services32 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.

25 services25 patients

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

21 services21 patients

Monitoring and recording of esophageal function through nasal tube with electrode 91037

This procedure involves placing a thin tube with an electrode through your nose and into your esophagus. It helps to monitor and record the function of your esophagus, aiding in diagnosing any potential issues.

21 services21 patients

Imaging of digestive tract done from the inside of the digestive tract 91110

This procedure, known as an endoscopy, involves a small camera being passed into the digestive tract. It helps doctors to see the inside of your digestive system in detail. This can aid in diagnosing conditions or planning treatments. It's generally safe and can provide valuable information.

21 services20 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.

19 services18 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.

12 services12 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.

JOHN T TSUKAHARA M.D.

Pediatrics

2340 CLAY ST, 3RD FLOOR
SAN FRANCISCO, CA 94115

San Francisco County (415) 600-1111

GUY LUBLINER M.D.

Hospitalist

2340 CLAY ST, 2ND FLOOR
SAN FRANCISCO, CA 94115

San Francisco County (415) 600-3458

CALIFORNIA PACIFIC MEDICAL CENTER

General Acute Care Hospital

2340 CLAY ST, 5TH FLOOR
SAN FRANCISCO, CA 94115

San Francisco County (917) 553-7684

LYNN SIEVERS N.P.

Nurse Practitioner (Family)

2340 CLAY ST, SUITE 537
SAN FRANCISCO, CA 94115

San Francisco County (415) 600-1099

DR. JEREMY ELIJAH BORNSTEIN PH.D.

Clinical Neuropsychologist

2340 CLAY ST, 7TH FLOOR
SAN FRANCISCO, CA 94115

San Francisco County (415) 449-6440

MARIA FERNANDEZ M.D.

Psychiatry & Neurology (Psychiatry)

2340 CLAY ST
SAN FRANCISCO, CA 94115

San Francisco County (415) 600-3510

SUTTER WEST BAY HOSPITALS

General Acute Care Hospital

2340 CLAY ST, 5TH FLOOR, OPHTHALMOLOGY DEPARTMENT
SAN FRANCISCO, CA 94115

San Francisco County (415) 600-3901

SUTTER WEST BAY MEDICAL FOUNDATION

Family Medicine

2340 CLAY ST, FLOORS 1-5 AND 7
SAN FRANCISCO, CA 94115

San Francisco County (415) 600-1000

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 Nikhil Agarwal's NPI number?

The NPI number for Nikhil Agarwal is 1487831145. It was assigned to this individual provider in the NPPES registry on January 24, 2008.

Where is Nikhil Agarwal located?

Nikhil Agarwal practices at 2340 Clay St 2nd Floor, San Francisco, CA 94115. The listed phone number is (415) 600-3458.

What is Nikhil Agarwal's specialty?

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

Is Nikhil Agarwal enrolled in Medicare?

Yes. Nikhil Agarwal 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 organization bills Medicare for Nikhil Agarwal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nikhil Agarwal reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). The 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 Nikhil Agarwal'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 Nikhil Agarwal was last updated on June 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.