Ronald F Flax, MD - Medicare Anesthesiology in Rockville, MD

Ronald F Flax, MD is a medicare enrolled "Anesthesiology" physician in Rockville, Maryland. He went to Medical College Of Pennsylvania and graduated in 1985 and has 39 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Oss Orthopaedic Hospital Llc and his current practice location is 14820 Physicians Ln, 242, Rockville, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 838-9606.

Ronald F Flax is licensed to practice in Maryland (license number D0037564) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1821099433.

Contact Information

Ronald F Flax, MD
14820 Physicians Ln, 242,
Rockville, MD 20850-3945
(301) 838-9606
Not Available

Map and Direction




Physician's Profile

Full NameRonald F Flax
GenderMale
SpecialityAnesthesiology
Experience39 Years
Location14820 Physicians Ln, Rockville, Maryland
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ronald F Flax attended and graduated from Medical College Of Pennsylvania in 1985
  NPI Data:
  • NPI Number: 1821099433
  • Provider Enumeration Date: 08/04/2005
  • Last Update Date: 11/06/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9638072069
  • Enrollment ID: I20210907001520

Medical Identifiers

Medical identifiers for Ronald F Flax such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821099433NPI-NPPES
296541100MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology D0037564 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Oss Orthopaedic HospitalYork, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Oss Orthopaedic Hospital Llc8729110747105

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. Ronald F Flax allows following entities to bill medicare on his behalf.
Entity NameOss Orthopaedic Hospital Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578881652
PECOS PAC ID: 8729110747
Enrollment ID: O20110915000770

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. Ronald F Flax 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
Ronald F Flax, MD
3715 Birchmere Ct,
Owings Mills, MD 21117-1298

Ph: () -
Ronald F Flax, MD
14820 Physicians Ln, 242,
Rockville, MD 20850-3945

Ph: (301) 838-9606

Reviews and Comments


Anesthesiology Doctors in Rockville, MD

Charles Rizzuto, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 14820 Physicians Ln, 242, Rockville, MD 20850
Phone: 301-838-9606    
Thomas F Gambon, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 14820 Physicians Ln, 242, Rockville, MD 20850
Phone: 301-838-9606    Fax: 301-838-9029
Nader E. Soliman, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 14820 Physicians Ln, 242, Rockville, MD 20850
Phone: 301-838-9606    
Clyde W Pray, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1901 Research Blvd, 350, Rockville, MD 20850
Phone: 301-838-9606    Fax: 301-838-9029
Toni Ann Hawley, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 14820 Physicians Ln, 242, Rockville, MD 20850
Phone: 301-838-9606    
John A Tam, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 14820 Physicians Ln, 242, Rockville, MD 20850
Phone: 301-838-9606    
Dr. Jen-wen Chen, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 1901 Research Blvd, 350, Rockville, MD 20850
Phone: 301-838-9606    Fax: 301-838-9029

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.