Ann M Kolwitz, MD - Medicare Obstetrics & Gynecology in Bellevue, WA

Ann M Kolwitz, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Bellevue, Washington. Her current practice location is 1231 116th Ave Ne, Suite 950, Bellevue, Washington. You can reach out to her office (for appointments etc.) via phone at (425) 454-3366.

Ann M Kolwitz is licensed to practice in Washington (license number MD00021784) 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 1811996531.

Contact Information

Ann M Kolwitz, MD
1231 116th Ave Ne, Suite 950,
Bellevue, WA 98004-3804
(425) 454-3366
(425) 943-3201



Physician's Profile

Full NameAnn M Kolwitz
GenderFemale
SpecialityObstetrics & Gynecology
Location1231 116th Ave Ne, Bellevue, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1811996531
  • Provider Enumeration Date: 07/14/2005
  • Last Update Date: 11/13/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 0547453649
  • Enrollment ID: I20101021000674

Medical Identifiers

Medical identifiers for Ann M Kolwitz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811996531NPI-NPPES
8636706MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology MD00021784 (Washington)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. Ann M Kolwitz allows following entities to bill medicare on her behalf.
Entity NameOverlake Medical Clinics Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801828421
PECOS PAC ID: 7012808827
Enrollment ID: O20040322001533

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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. Ann M Kolwitz 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
Ann M Kolwitz, MD
1231 116th Ave Ne, Suite 950,
Bellevue, WA 98004-3804

Ph: (425) 454-3366
Ann M Kolwitz, MD
1231 116th Ave Ne, Suite 950,
Bellevue, WA 98004-3804

Ph: (425) 454-3366

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Obstetrics & Gynecology Doctors in Bellevue, WA

Dr. Jill Rosetta Varni, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 9923 Lake Washington Blvd Ne, Bellevue, WA 98004
Phone: 425-505-2159    
Dr. Roberta Haynes De Regt, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1135 116th Ave Ne, Suite 320, Bellevue, WA 98004
Phone: 425-688-8111    
Dr. Sarah Linse Bienenfeld, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1231 116th Ave Ne Ste 950, Bellevue, WA 98004
Phone: 425-454-6674    Fax: 425-646-5198
Dr. Mark S Fan, MD
Obstetrics & Gynecology
Medicare: May Accept Medicare Assignments
Practice Location: 1515 116th Ave Ne Ste 205, Bellevue, WA 98004
Phone: 310-866-3707    Fax: 425-999-4858
Dr. Natalia Allison Dvorak, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1600 116th Ave Ne, #104, Bellevue, WA 98004
Phone: 323-857-3871    
Dr. Daniel Gavrila, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1135 116th Ave Ne, Suite #320, Bellevue, WA 98004
Phone: 425-688-8111    
Sara A Durkee, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 11511 Ne 10th St, Bellevue, WA 98004
Phone: 425-502-3000    

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