Janaki N Ramanathan, MD - Medicare Diagnostic Radiology in San Francisco, CA

Janaki N Ramanathan, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in San Francisco, California. She went to University Of Texas Medical Branch At Galveston and graduated in 1998 and has 26 years of diverse experience with area of expertise as Diagnostic Radiology. She is a member of the group practice North Star Gv Lp, North Star Mri Lp, Orthopedic Associates Of Flower Mound Pllc and her current practice location is 2351 Clay St Ste 100, San Francisco, California. You can reach out to her office (for appointments etc.) via phone at (415) 600-3143.

Janaki N Ramanathan is licensed to practice in California (license number A80398) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1275611873.

Contact Information

Janaki N Ramanathan, MD
2351 Clay St Ste 100,
San Francisco, CA 94115-1931
(415) 600-3143
(415) 600-3123

Map and Direction




Physician's Profile

Full NameJanaki N Ramanathan
GenderFemale
SpecialityDiagnostic Radiology
Experience26 Years
Location2351 Clay St Ste 100, San Francisco, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Janaki N Ramanathan attended and graduated from University Of Texas Medical Branch At Galveston in 1998
  NPI Data:
  • NPI Number: 1275611873
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 09/23/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9931178837
  • Enrollment ID: I20040928000541

Medical Identifiers

Medical identifiers for Janaki N Ramanathan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275611873NPI-NPPES
1275611873MedicaidNV
320447MedicaidAZ
8947270OtherWAL&I CVCP
0229781OtherWAL & I
1275611873MedicaidNE
8505539MedicaidWA
00A803980MedicaidCA
200215450MedicaidOK
5578RAOtherWAREGENCE BLUE SHIELD
0168289MedicaidNJ
19800070MedicaidCO
P00075447OtherCARAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 25MA08403700 (New Jersey)Secondary
2085R0202XRadiology - Diagnostic Radiology 248102 (New York)Secondary
2085R0202XRadiology - Diagnostic Radiology 25.000109 (Ohio)Secondary
2085R0202XRadiology - Diagnostic Radiology 25945 (Oklahoma)Secondary
2085R0202XRadiology - Diagnostic Radiology 49037 (Washington)Secondary
2085R0202XRadiology - Diagnostic Radiology K7874 (Texas)Secondary
2085R0202XRadiology - Diagnostic Radiology 24315 (Nebraska)Secondary
2085R0202XRadiology - Diagnostic Radiology 11524 (Montana)Secondary
2085R0202XRadiology - Diagnostic Radiology MEDS6218 (Alaska)Secondary
2085R0202XRadiology - Diagnostic Radiology 38047 (Arizona)Secondary
2085R0202XRadiology - Diagnostic Radiology 46252 (Colorado)Secondary
2085R0202XRadiology - Diagnostic Radiology 12619 (Nevada)Secondary
2085R0202XRadiology - Diagnostic Radiology 036.119210 (Illinois)Secondary
2085R0202XRadiology - Diagnostic Radiology 4516 (Alaska)Secondary
2085R0202XRadiology - Diagnostic Radiology A80398 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Star Gv Lp064853902319
North Star Mri Lp589076233041
Orthopedic Associates Of Flower Mound Pllc246684207520

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Janaki N Ramanathan allows following entities to bill medicare on her behalf.
Entity NameMonterey Spine & Joint Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881620599
PECOS PAC ID: 0840295721
Enrollment ID: O20060927000475
Entity NamePrima Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811217946
PECOS PAC ID: 6406040138
Enrollment ID: O20101027000334
Entity NameSouthwest Washington Diagnostics Lp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801882915
PECOS PAC ID: 2163312208
Enrollment ID: O20131224000008
Entity NameNorth Star Mri Lp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033174701
PECOS PAC ID: 5890762330
Enrollment ID: O20211207001128
Entity NameNorth Star Gv Lp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922512664
PECOS PAC ID: 0648539023
Enrollment ID: O20220826001195

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Janaki N Ramanathan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Janaki N Ramanathan, MD
Po Box 6102,
Novato, CA 94948-6102

Ph: (415) 884-3418
Janaki N Ramanathan, MD
2351 Clay St Ste 100,
San Francisco, CA 94115-1931

Ph: (415) 600-3143

Reviews and Comments


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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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