Dr Stephen R Wells, MD - Medicare Obstetrics/gynecology in Walnut Creek, CA

Dr Stephen R Wells, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Walnut Creek, California. He went to Louisiana State University School Of Medicine In New Orleans and graduated in 1990 and has 34 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Bass Medical Group and his current practice location is 110 Tampico, Suite 220, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 935-5356.

Dr Stephen R Wells is licensed to practice in California (license number A49731) 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 1659385151.

Contact Information

Dr Stephen R Wells, MD
110 Tampico, Suite 220,
Walnut Creek, CA 94598
(925) 935-5356
(925) 935-1070

Map and Direction




Physician's Profile

Full NameDr Stephen R Wells
GenderMale
SpecialityObstetrics/gynecology
Experience34 Years
Location110 Tampico, Walnut Creek, 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 Stephen R Wells attended and graduated from Louisiana State University School Of Medicine In New Orleans in 1990
  NPI Data:
  • NPI Number: 1659385151
  • Provider Enumeration Date: 07/28/2006
  • Last Update Date: 04/20/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 4385713882
  • Enrollment ID: I20091118000697

Medical Identifiers

Medical identifiers for Dr Stephen R Wells such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659385151NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A49731 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bass Medical Group9032111281309

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 Stephen R Wells allows following entities to bill medicare on his behalf.
Entity NameJohn Muir Trauma Physicians Billing Service
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093864837
PECOS PAC ID: 3476542515
Enrollment ID: O20050420001452
Entity NameBass Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174253405
PECOS PAC ID: 9032111281
Enrollment ID: O20070201000181

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 Stephen R Wells 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 Stephen R Wells, MD
110 Tampico, Suite 220,
Walnut Creek, CA 94598

Ph: (925) 935-5356
Dr Stephen R Wells, MD
110 Tampico, Suite 220,
Walnut Creek, CA 94598

Ph: (925) 935-5356

Reviews and Comments


Obstetrics & Gynecology Doctors in Walnut Creek, CA

Dr. Johanne M Poulin, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 60 Amigo Rd, Walnut Creek, CA 94596
Phone: 781-331-1999    Fax: 781-331-1999
Francis Wright, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Dr. Nadine Barbara Hanna, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 112 La Casa Via Ste 200, Walnut Creek, CA 94598
Phone: 925-933-4747    Fax: 925-933-1638
Mark Allen Patterson, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 2657 Saklan Indian Dr Apt 2, Walnut Creek, CA 94595
Phone: 925-954-8960    
Dr. Madhavi Durga Vemulapalli, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 112 La Casa Via Ste 300, Walnut Creek, CA 94598
Phone: 925-239-0012    Fax: 925-239-0011
Dr. Lillian Darlene Lanka, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 634 Shadowhawk Way, Walnut Creek, CA 94595
Phone: 925-287-1750    Fax: 925-287-1760
Megan Jarvis Lavin, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 320 Lennon Ln, Park Shadelands, Walnut Creek, CA 94598
Phone: 925-469-2239    

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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