Ari Chaim Greis, DO - Medicare Physical Medicine And Rehabilitation in Bryn Mawr, PA

Ari Chaim Greis, DO is a medicare enrolled "Physical Medicine & Rehabilitation - Pain Medicine" physician in Bryn Mawr, Pennsylvania. He went to Philadelphia College Of Osteopathic Medicine and graduated in 2003 and has 21 years of diverse experience with area of expertise as Physical Medicine And Rehabilitation. He is a member of the group practice Reconstructive Orthopaedic Associates Ii Llc, Rehabclinics Spt Inc, Rothman Orthopaedics Of New Jersey, Llc and his current practice location is 825 Old Lancaster Rd Ste 100, Bryn Mawr, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (267) 339-3558.

Ari Chaim Greis is licensed to practice in Pennsylvania (license number OS014246) 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 1831209105.

Contact Information

Ari Chaim Greis, DO
825 Old Lancaster Rd Ste 100,
Bryn Mawr, PA 19010-3234
(267) 339-3558
(267) 339-3763

Map and Direction




Physician's Profile

Full NameAri Chaim Greis
GenderMale
SpecialityPhysical Medicine And Rehabilitation
Experience21 Years
Location825 Old Lancaster Rd Ste 100, Bryn Mawr, Pennsylvania
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:
  • Ari Chaim Greis attended and graduated from Philadelphia College Of Osteopathic Medicine in 2003
  NPI Data:
  • NPI Number: 1831209105
  • Provider Enumeration Date: 08/30/2006
  • Last Update Date: 02/18/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9931271343
  • Enrollment ID: I20080630000481

Medical Identifiers

Medical identifiers for Ari Chaim Greis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831209105NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208100000XPhysical Medicine & Rehabilitation OS014246 (Pennsylvania)Secondary
208100000XPhysical Medicine & Rehabilitation 25MB09081300 (New Jersey)Secondary
2081P2900XPhysical Medicine & Rehabilitation - Pain Medicine OS014246 (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bryn Mawr HospitalBryn mawr, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Reconstructive Orthopaedic Associates Ii Llc7416845318263
Rehabclinics Spt Inc7113834102298
Rothman Orthopaedics Of New Jersey, Llc6709864846187

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. Ari Chaim Greis allows following entities to bill medicare on his behalf.
Entity NameReconstructive Orthopaedic Associates Ii Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861433278
PECOS PAC ID: 7416845318
Enrollment ID: O20040310000667

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. Ari Chaim Greis 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
Ari Chaim Greis, DO
833 Chestnut St Ste 520,
Philadelphia, PA 19107-4430

Ph: (800) 321-9999
Ari Chaim Greis, DO
825 Old Lancaster Rd Ste 100,
Bryn Mawr, PA 19010-3234

Ph: (267) 339-3558

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Bryn Mawr, PA

Dr. David S. Stolzenberg, D.O.
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd Ste 1002nd, Bryn Mawr, PA 19010
Phone: 267-339-3558    Fax: 267-339-3763
Saloni Sharma, M.D.
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd Ste 100, Bryn Mawr, PA 19010
Phone: 800-321-9999    Fax: 267-479-1321

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.