Margaret M Guo, MD - Medicare Internal Medicine in Santa Rosa, CA

Margaret M Guo, MD is a medicare enrolled "Hospitalist" physician in Santa Rosa, California. She went to State University Of New York At Stony Brook, School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 401 Bicentennial Way, Santa Rosa, California. You can reach out to her office (for appointments etc.) via phone at (707) 571-4000.

Margaret M Guo is licensed to practice in California (license number A76449) 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 1760566764.

Contact Information

Margaret M Guo, MD
401 Bicentennial Way,
Santa Rosa, CA 95403-2149
(707) 571-4000
Not Available



Physician's Profile

Full NameMargaret M Guo
GenderFemale
SpecialityInternal Medicine
Experience25 Years
Location401 Bicentennial Way, Santa Rosa, 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:
  • Margaret M Guo attended and graduated from State University Of New York At Stony Brook, School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1760566764
  • Provider Enumeration Date: 10/25/2006
  • Last Update Date: 12/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3072702679
  • Enrollment ID: I20110113000354

Medical Identifiers

Medical identifiers for Margaret M Guo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760566764NPI-NPPES
00A764490MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A76449 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - SacramentoSacramento, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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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. Margaret M Guo 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

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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. Margaret M Guo 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
Margaret M Guo, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Margaret M Guo, MD
401 Bicentennial Way,
Santa Rosa, CA 95403-2149

Ph: (707) 571-4000

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Hospitalist Doctors in Santa Rosa, CA

Dr. James Nicholas Worledge, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3554 Round Barn Blvd, Santa Rosa, CA 95403
Phone: 707-653-3639    
Dr. Pankaj Arora, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 401 Bicentennial Way, Kaiser Permanente Hospital, Santa Rosa, CA 95403
Phone: 707-393-4000    Fax: 707-393-2163
Frederick J. Challoner, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 401 Bicentennial Way, Santa Rosa, CA 95403
Phone: 707-571-4000    
Dr. Ann Katz Press, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 30 Mark West Springs Rd Ofc, Santa Rosa, CA 95403
Phone: 707-576-4000    
Navpreet Sidhu,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3569 Round Barn Cir Ste 200, Santa Rosa, CA 95403
Phone: 707-583-8800    
Martin P. Ananias, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 401 Bicentennial Way, Santa Rosa, CA 95403
Phone: 707-571-4000    
Felicity A. Mcnichol, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 401 Bicentennial Way, Santa Rosa, CA 95403
Phone: 707-571-4000    

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