Dr Karen Theresia Marcus, MD - Medicare Psychiatry in Pittsburg, CA

Dr Karen Theresia Marcus, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Pittsburg, California. She went to University Of California, San Diego School Of Medicine and graduated in 2007 and has 17 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice Bay Psychiatric Associates and her current practice location is 2311 Loveridge Rd, 2nd Floor, Pittsburg, California. You can reach out to her office (for appointments etc.) via phone at (925) 431-2600.

Dr Karen Theresia Marcus is licensed to practice in California (license number A108365) 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 1003043993.

Contact Information

Dr Karen Theresia Marcus, MD
2311 Loveridge Rd, 2nd Floor,
Pittsburg, CA 94565-5117
(925) 431-2600
(925) 431-2665

Map and Direction




Physician's Profile

Full NameDr Karen Theresia Marcus
GenderFemale
SpecialityPsychiatry
Experience17 Years
Location2311 Loveridge Rd, Pittsburg, 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:
  • Dr Karen Theresia Marcus attended and graduated from University Of California, San Diego School Of Medicine in 2007
  NPI Data:
  • NPI Number: 1003043993
  • Provider Enumeration Date: 06/17/2009
  • Last Update Date: 03/20/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 8921271289
  • Enrollment ID: I20111101000690

Medical Identifiers

Medical identifiers for Dr Karen Theresia Marcus such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003043993NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry A108365 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bay Psychiatric Associates620472333144

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 Karen Theresia Marcus allows following entities to bill medicare on her behalf.
Entity NameBay Psychiatric Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427163229
PECOS PAC ID: 6204723331
Enrollment ID: O20040302001403

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 Karen Theresia Marcus 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 Karen Theresia Marcus, MD
2311 Loveridge Rd, 2nd Floor,
Pittsburg, CA 94565-5117

Ph: (925) 431-2600
Dr Karen Theresia Marcus, MD
2311 Loveridge Rd, 2nd Floor,
Pittsburg, CA 94565-5117

Ph: (925) 431-2600

Reviews and Comments


Psychiatry & Neurology Doctors in Pittsburg, CA

Uzma Anwer Rehman Khan, M.D
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 2311 Loveridge Rd, 2nd Floor, Pittsburg, CA 94565
Phone: 925-431-2600    Fax: 925-431-2644
Indu Talwar, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 2311 Loveridge Rd, 2nd Floor, Pittsburg, CA 94565
Phone: 925-431-2600    Fax: 925-431-2676
Michael Harlan Levin, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 2311 Loveridge Rd, 2nd Floor, Pittsburg, CA 94565
Phone: 925-431-2600    
Dr. Roobal S Sekhon, D.O.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 2311 Loveridge Rd, Pittsburg, CA 94565
Phone: 925-431-2629    
Angelita Dineros Tangco, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 2220 Gladstone Dr, Suite 3 Springhill Medical Group, Pittsburg, CA 94565
Phone: 925-432-3118    Fax: 925-432-4590
Sandhya Nair, M.D
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 2311 Loveridge Rd, 2nd Floor, Pittsburg, CA 94565
Phone: 925-431-2600    

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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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