Dr James Lilja, MD - Medicare Obstetrics/gynecology in San Jose, CA

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Dr James Lilja, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecologic Oncology" physician in San Jose, California. He went to University Of Pittsburgh School Of Medicine and graduated in 1993 and has 32 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice County Of Monterey, Washington Township Medical Foundation, James F Lilja Md Inc and his current practice location is 455 Oconnor Dr Ste 370, San Jose, California. You can reach out to his office (for appointments etc.) via phone at (408) 827-4274.

Dr James Lilja is licensed to practice in California (license number G85643) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1225081441.

Contact Information

Dr James Lilja, MD
455 Oconnor Dr Ste 370,
San Jose, CA 95128-1600
(408) 827-4274
(408) 827-4275

Map and Direction




Physician's Profile

Full NameDr James Lilja
GenderMale
SpecialityObstetrics/gynecology
Experience32 Years
Location455 Oconnor Dr Ste 370, San Jose, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr James Lilja attended and graduated from University Of Pittsburgh School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1225081441
  • Provider Enumeration Date: 05/18/2006
  • Last Update Date: 09/29/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3173514189
  • Enrollment ID: I20040519000951

Medical Identifiers

Medical identifiers for Dr James Lilja such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225081441NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VX0201XObstetrics & Gynecology - Gynecologic Oncology G85643 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Natividad Medical CenterSalinas, CAHospital
Good Samaritan HospitalSan jose, CAHospital
Washington HospitalFremont, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
County Of Monterey2466345632151
Washington Township Medical Foundation286068705099
James F Lilja Md Inc76189071486

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. Dr James Lilja allows following entities to bill medicare on his behalf.
Entity NameCounty Of Monterey
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205863255
PECOS PAC ID: 2466345632
Enrollment ID: O20050502000456
Entity NameJames F Lilja Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891801122
PECOS PAC ID: 7618907148
Enrollment ID: O20050815000987
Entity NameWashington Township Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346557014
PECOS PAC ID: 2860687050
Enrollment ID: O20101112001225
Entity NameSvmhs Clinics
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093158347
PECOS PAC ID: 1456592351
Enrollment ID: O20130718000197

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. Dr James Lilja 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
Dr James Lilja, MD
Po Box 33235,
Los Gatos, CA 95031-3235

Ph: (408) 827-4274		Dr James Lilja, MD
455 Oconnor Dr Ste 370,
San Jose, CA 95128-1600

Ph: (408) 827-4274

Reviews and Comments


Obstetrics & Gynecology Doctors in San Jose, CA

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Phone: 408-831-5720    Fax: 408-831-5781
Karen B. Garcia, MD
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Julie Najar, MD
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Phone: 408-523-3870    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

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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