Joanna Duane Twombly, DO - Medicare Obstetrics/gynecology in Yakima, WA

Joanna Duane Twombly, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Yakima, Washington. She went to Oklahoma State University College Of Osteopathic Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice St Lukes Hospital Of Duluth and her current practice location is 5109 Summitview Ave, Yakima, Washington. You can reach out to her office (for appointments etc.) via phone at (509) 907-6300.

Joanna Duane Twombly is licensed to practice in Washington (license number OP61394894) 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 1780857284.

Contact Information

Joanna Duane Twombly, DO
5109 Summitview Ave,
Yakima, WA 98908
(509) 907-6300
(509) 907-6310

Map and Direction




Physician's Profile

Full NameJoanna Duane Twombly
GenderFemale
SpecialityObstetrics/gynecology
Experience20 Years
Location5109 Summitview Ave, Yakima, Washington
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:
  • Joanna Duane Twombly attended and graduated from Oklahoma State University College Of Osteopathic Medicine in 2004
  NPI Data:
  • NPI Number: 1780857284
  • Provider Enumeration Date: 04/07/2008
  • Last Update Date: 04/04/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2567538770
  • Enrollment ID: I20230929003073

Medical Identifiers

Medical identifiers for Joanna Duane Twombly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780857284NPI-NPPES
197028003MedicaidAR
267325YJL4OtherARMEDICARE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology DO3556 (Maine)Secondary
207V00000XObstetrics & Gynecology 06-1833974 (Arkansas)Secondary
207V00000XObstetrics & Gynecology 34-009177 (Ohio)Secondary
207V00000XObstetrics & Gynecology LT22014 (Maine)Secondary
207V00000XObstetrics & Gynecology OP61394894 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Lukes HospitalDuluth, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St Lukes Hospital Of Duluth7113834839352

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. Joanna Duane Twombly allows following entities to bill medicare on her behalf.
Entity NameSt Lukes Hospital Of Duluth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902845068
PECOS PAC ID: 7113834839
Enrollment ID: O20031120000212

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. Joanna Duane Twombly 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
Joanna Duane Twombly, DO
6451 N Federal Hwy Ste 800,
Ft Lauderdale, FL 33308-1409

Ph: (800) 586-5022
Joanna Duane Twombly, DO
5109 Summitview Ave,
Yakima, WA 98908

Ph: (509) 907-6300

Reviews and Comments


Obstetrics & Gynecology Doctors in Yakima, WA

Daniel Nicoara, DO
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 2205 W Lincoln Ave, Yakima, WA 98902
Phone: 509-469-6305    Fax: 509-575-3398
Norman J Naiden, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 2205 W Lincoln Ave, Yakima, WA 98902
Phone: 590-575-1234    Fax: 509-575-3320
Deepika Kaushal,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2205 W Lincoln Ave, Yakima, WA 98902
Phone: 509-469-6305    Fax: 509-575-3398
Judith A Hargis, PA
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 3911 Castlevale Rd, Suite 301, Yakima, WA 98902
Phone: 509-453-8231    Fax: 509-453-0130
Jonathan P Johns, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 3003 Tieton Dr, Suite 200, Yakima, WA 98902
Phone: 509-454-2229    Fax: 509-454-7979
Carly Mikela Ingalls, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 3003 Tieton Dr Ste 230, Yakima, WA 98902
Phone: 509-248-3440    Fax: 509-249-4460
Elizabeth Jacobson,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2205 W Lincoln Ave, Yakima, WA 98902
Phone: 509-496-6305    Fax: 509-575-3398

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.