Jacqueline Jonklaas, - Medicare Endocrinology in Washington, DC

Jacqueline Jonklaas, is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Washington, District Of Columbia. She went to Georgetown University School Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Medstar Georgetown Medical Center, Inc and her current practice location is 3800 Reservoir Rd Nw, Washington, District Of Columbia. You can reach out to her office (for appointments etc.) via phone at (202) 444-2818.

Jacqueline Jonklaas is licensed to practice in District Of Columbia (license number 30495) 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 1285633636.

Contact Information

Jacqueline Jonklaas,
3800 Reservoir Rd Nw,
Washington, DC 20007-2113
(202) 444-2818
Not Available



Physician's Profile

Full NameJacqueline Jonklaas
GenderFemale
SpecialityEndocrinology
Experience31 Years
Location3800 Reservoir Rd Nw, Washington, District Of Columbia
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:
  • Jacqueline Jonklaas attended and graduated from Georgetown University School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1285633636
  • Provider Enumeration Date: 07/19/2005
  • Last Update Date: 03/08/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 4385770130
  • Enrollment ID: I20100331000320

Medical Identifiers

Medical identifiers for Jacqueline Jonklaas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285633636NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 30495 (District Of Columbia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Medstar Georgetown University HospitalWashington, DCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medstar Georgetown Medical Center, Inc559766797226

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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. Jacqueline Jonklaas allows following entities to bill medicare on her behalf.
Entity NameMedstar Georgetown Medical Center, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285636522
PECOS PAC ID: 5597667972
Enrollment ID: O20040126000206

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Entity NameMedstar Medical Group Ii Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184046187
PECOS PAC ID: 0547413825
Enrollment ID: O20130117000415

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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. Jacqueline Jonklaas 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
Jacqueline Jonklaas,
Po Box 418283,
Boston, MA 02241-8283

Ph: (703) 558-1544
Jacqueline Jonklaas,
3800 Reservoir Rd Nw,
Washington, DC 20007-2113

Ph: (202) 444-2818

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Internal Medicine Doctors in Washington, DC

Dr. Adefolaju Oketokun, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1629 K Street Nw, Suite 300, Washington, DC 20006
Phone: 202-636-1360    Fax: 202-636-5137
Dr. Uzoamaka Theodora Nwaogwugwu, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 2041 Georgia Avenue Nw, Washington, DC 20060
Phone: 202-865-7677    
Ms. Sruthi Nukalapati Reddy, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3800 Reservoir Road Nw, 6 Phc, Washington, DC 20007
Phone: 202-444-8123    
Dr. Kaustubh Subhash Yadwadkar, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3800 Reservoir Rd Nw, Cg201, Washington, DC 20007
Phone: 304-206-7595    
Dr. Monica Vohra, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1525 7th St Nw, Washington, DC 20001
Phone: 202-386-7020    Fax: 202-265-1970
Anteneh A Tesfaye, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 110 Irving St Nw Ste C2151, Washington, DC 20010
Phone: 202-877-6998    Fax: 202-877-8909
Erica Nakajima,
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Practice Location: 5255 Loughboro Rd Nw Fl 1, Washington, DC 20016
Phone: 202-660-6500    

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