Dr Warren Isakow, MD - Medicare Internal Medicine in Saint Louis, MO

Dr Warren Isakow, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Saint Louis, Missouri. His current practice location is 4921 Parkview Pl Ste 8b, Ste 8b, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 454-8917.

Dr Warren Isakow is licensed to practice in Missouri (license number 2003022301) 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 1285607341.

Contact Information

Dr Warren Isakow, MD
4921 Parkview Pl Ste 8b, Ste 8b,
Saint Louis, MO 63110-1032
(314) 454-8917
(314) 454-2200

Map and Direction




Physician's Profile

Full NameDr Warren Isakow
GenderMale
SpecialityInternal Medicine - Pulmonary Disease
Location4921 Parkview Pl Ste 8b, Saint Louis, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1285607341
  • Provider Enumeration Date: 02/09/2006
  • Last Update Date: 01/24/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 9335175025
  • Enrollment ID: I20050714000014

Medical Identifiers

Medical identifiers for Dr Warren Isakow such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285607341NPI-NPPES
ENROLLEDMedicaidIL
207224007MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 2003022301 (Missouri)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. Dr Warren Isakow allows following entities to bill medicare on his behalf.
Entity NameWashington University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992746903
PECOS PAC ID: 9830008770
Enrollment ID: O20031119000372

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. Dr Warren Isakow 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
Dr Warren Isakow, MD
660 S Euclid Ave, C B 8052,
Saint Louis, MO 63110-1010

Ph: (314) 454-8917
Dr Warren Isakow, MD
4921 Parkview Pl Ste 8b, Ste 8b,
Saint Louis, MO 63110-1032

Ph: (314) 454-8917

Reviews and Comments


Internal Medicine Doctors in Saint Louis, MO

Dr. Isik Turker, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 4921 Parkview Pl, Div Im Cardiology, Ste 8b, Saint Louis, MO 63110
Phone: 314-362-1291    Fax: 314-362-4278
Conor Mccartney, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 915 N Grand Blvd, Saint Louis, MO 63106
Phone: 314-652-4100    
Dr. Faris Adam Bakeer, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110
Phone: 314-362-1700    Fax: 314-362-9878
Dr. Rehan Rais, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110
Phone: 314-362-1700    Fax: 314-362-9878
Nathan Farkas, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110
Phone: 314-362-1930    
Dr. Randy Olivier Laine, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110
Phone: 314-362-1700    Fax: 314-362-9878
Dr. Erin Leigh Dyer, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 4901 Forest Park Ave, Div Im General Med, Ste 241, Saint Louis, MO 63108
Phone: 314-362-5060    Fax: 314-362-6959

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.