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JANAKI N. RAMANATHAN MD
NPI 1275611873
Radiology - Diagnostic Radiology in San Francisco, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
2351 CLAY ST STE 100, SAN FRANCISCO, CA 94115(415) 600-3143(415) 600-3123 Get Directions Write a Review

NPPES record last updated: September 23, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 23, 2020, Jul 2, 2019 (2 updates tracked since 2019).

About Janaki N. Ramanathan Md NPPES

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

JANAKI N. RAMANATHAN MD (NPI 1275611873) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (A80398) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains 10 additional practice locations, and is a graduate of University Of Texas Medical Branch At Galveston (1998).

NPPES Registry Identity

NPI1275611873
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameJANAKI N. RAMANATHANCredential: MD
Location Address2351 CLAY ST STE 100San Francisco, CA 94115-1931
Mailing AddressPo Box 6102Novato, CA 94948-6102 · (415) 884-3418 · Fax (415) 883-3406
Phone(415) 600-3143
Fax(415) 600-3123
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1998
Enumeration DateNovember 1, 2006
Last NPPES UpdateSeptember 23, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2020
✔ NPI 1275611873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CA · A80398✔ Licensed in NJ · 25MA08403700✔ Licensed in NY · 248102✔ Licensed in OH · 25.000109✔ Licensed in OK · 25945✔ Licensed in WA · 49037✔ Licensed in TX · K7874✔ Licensed in NE · 24315✔ Licensed in MT · 11524✔ Licensed in AZ · 38047✔ Licensed in AK · MEDS6218✔ Licensed in CO · 46252✔ Licensed in NV · 12619✔ Licensed in IL · 036.119210✔ Licensed in AK · 4516
Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

2351 CLAY ST STE 100, San Francisco, CA 94115
Open in Google Maps ↗

Secondary Practice Locations 10

Location 11101 Van Ness Ave Fl 3San Francisco, CA 94109-6919 · Phone (415) 600-3232 · Fax (415) 447-6335
Location 2250 Bon Air RdGreenbrae, CA 94904-1702 · Phone (415) 925-7301 · Fax (415) 925-7317
Location 32808 S 143rd PlzOmaha, NE 68144-5611 · Phone (402) 609-1800
Location 4555 Kinderkamack RdOradell, NJ 07649-1517 · Phone (201) 488-2660
Location 5180 Rowland WayNovato, CA 94945-5009 · Phone (415) 209-1500 · Fax (415) 209-1501
Location 6347 Andrieux StSonoma, CA 95476-6811 · Phone (707) 935-5265 · Fax (707) 935-5438
Location 72408 E 81st St Ste 900Tulsa, OK 74137-4283 · Phone (918) 477-5000
Location 8181 W Meadow Dr Ste 100Vail, CO 81657-5058 · Phone (970) 479-7252
Location 92351 E 22nd StCleveland, OH 44115-3111 · Phone (213) 363-2677
Location 103301 El Camino Real Ste 100Atherton, CA 94027-3803 · Phone (650) 364-3080 · Fax (650) 364-2004

Other Identifiers 12

Medicaid00A803980CA
Medicaid1275611873NE
Other5578RAWA · Regence Blue Shield
Medicaid200215450OK
Medicaid8505539WA
Other8947270WA · L&i Cvcp
Medicaid0168289NJ
Medicaid19800070CO
Medicaid320447AZ
Other0229781WA · L & I
Medicaid1275611873NV
OtherP00075447CA · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

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

Janaki N. Ramanathan 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 ID9931178837
PECOS Enrollment IDI20040928000541
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.

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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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

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

CALIFORNIA PACIFIC ADVANCED IMAGING
Clinic/Center (Magnetic Resonance Imaging (MRI))
2351 CLAY ST STE 100
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-3143

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 Janaki Ramanathan's NPI number?

The NPI number for Janaki Ramanathan is 1275611873. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Janaki Ramanathan located?

Janaki Ramanathan practices at 2351 Clay St Ste 100, San Francisco, CA 94115. The listed phone number is (415) 600-3143.

What is Janaki Ramanathan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Janaki Ramanathan enrolled in Medicare?

Yes. Janaki Ramanathan 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.

What insurance does Janaki Ramanathan accept?

Health plans from Blue Cross and Blue Shield of Texas list Janaki Ramanathan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Janaki Ramanathan was last updated on September 23, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.