Constantine N Chienku, MD - Medicare Family Medicine in Vienna, VA

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Constantine N Chienku, MD is a medicare enrolled "Family Medicine" physician in Vienna, Virginia. His current practice location is 1964 Gallows Rd Ste 300, Vienna, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 712-7199.

Constantine N Chienku is licensed to practice in Virginia (license number 0101230316) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1831139336.

Contact Information

Constantine N Chienku, MD
1964 Gallows Rd Ste 300,
Vienna, VA 22182-3814
(703) 712-7199
(703) 712-7015

Map and Direction




Physician's Profile

Full NameConstantine N Chienku
GenderMale
SpecialityFamily Medicine
Location1964 Gallows Rd Ste 300, Vienna, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1831139336
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 01/22/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4385829902
  • Enrollment ID: I20110426000300

Medical Identifiers

Medical identifiers for Constantine N Chienku such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831139336NPI-NPPES
2146917OtherVAMAMSI
3052918OtherVACIGNA
541182305OtherVAUNITED HEALTHCARE
541182305OtherVATRICARE
305773MedicaidVA
8146917OtherVAMAMSI
010266823MedicaidVA
437472OtherVASOUTHERN HEALTH
199786OtherVAANTHEM
752699OtherVANCPPO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 0101230316 (Virginia)Primary
208000000XPediatrics 010266823 (Virginia)Secondary

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. Constantine N Chienku allows following entities to bill medicare on his behalf.
Entity NameRoanoke Valley Healthcare Partners Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619274446
PECOS PAC ID: 0143490326
Enrollment ID: O20110825000335
Entity NameShort Pump Family Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487068334
PECOS PAC ID: 7618278516
Enrollment ID: O20151218000775
Entity NameDominion Family Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497282503
PECOS PAC ID: 2961739248
Enrollment ID: O20190808003135
Entity NameAmerican Greatest Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790478782
PECOS PAC ID: 0648717512
Enrollment ID: O20240809000294

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. Constantine N Chienku 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
Constantine N Chienku, MD
4701 Yowell Lane,
Marshall, VA 20115

Ph: (540) 364-4398		Constantine N Chienku, MD
1964 Gallows Rd Ste 300,
Vienna, VA 22182-3814

Ph: (703) 712-7199

Reviews and Comments


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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.