Karen L Simpson, MD - Medicare Obstetrics & Gynecology in Pleasanton, CA

Karen L Simpson, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Pleasanton, California. Her current practice location is 7601 Stoneridge Dr, Pleasanton, California. You can reach out to her office (for appointments etc.) via phone at (925) 847-5000.

Karen L Simpson is licensed to practice in California (license number G56987) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1316019128.

Contact Information

Karen L Simpson, MD
7601 Stoneridge Dr,
Pleasanton, CA 94588-4501
(925) 847-5000
Not Available

Map and Direction




Physician's Profile

Full NameKaren L Simpson
GenderFemale
SpecialityObstetrics & Gynecology
Location7601 Stoneridge Dr, Pleasanton, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1316019128
  • Provider Enumeration Date: 11/15/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7416137237
  • Enrollment ID: I20110211000288

Medical Identifiers

Medical identifiers for Karen L Simpson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316019128NPI-NPPES
00G569870MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology G56987 (California)Primary

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. Karen L Simpson allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Karen L Simpson 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
Karen L Simpson, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3429

Ph: (510) 625-6262
Karen L Simpson, MD
7601 Stoneridge Dr,
Pleasanton, CA 94588-4501

Ph: (925) 847-5000

Reviews and Comments


Obstetrics & Gynecology Doctors in Pleasanton, CA

Hanh-nguyen Do, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 5725 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 258-479-3000    
Pushpa P Dalal, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1855 Begonia Ct, Pleasanton, CA 94588
Phone: 925-426-1411    
Sonia Rocio Santana, DO
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5565 W Las Positas, Suite 200, Pleasanton, CA 94588
Phone: 925-416-6846    Fax: 925-416-6847
Nuria Soledad Garcia-ruiz, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 4725 1st St Ste 100, Pleasanton, CA 94566
Phone: 925-734-3333    
Dr. Amy Yakaitis, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 7601 Stoneridge Dr, Women's Health, Pleasanton, CA 94588
Phone: 925-847-5688    
Angela S Lee, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 7601 Stoneridge Dr, Pleasanton, CA 94588
Phone: 925-847-5806    
Peggy W. Hsu, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 7601 Stoneridge Dr, Pleasanton, CA 94588
Phone: 925-847-5000    

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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