Stephen A Klein, MD - Medicare Internal Medicine in West Nyack, NY

Stephen A Klein, MD is a medicare enrolled "Internal Medicine" physician in West Nyack, New York. He went to New York Medical College and graduated in 1980 and has 44 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Rockland Endocrine And Diabetes Services, P.c. and his current practice location is 2 Centerock Rd, West Nyack, New York. You can reach out to his office (for appointments etc.) via phone at (845) 703-6999.

Stephen A Klein is licensed to practice in New York (license number 151797) 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 1831257872.

Contact Information

Stephen A Klein, MD
2 Centerock Rd,
West Nyack, NY 10994-2215
(845) 703-6999
(845) 703-6297

Map and Direction




Physician's Profile

Full NameStephen A Klein
GenderMale
SpecialityInternal Medicine
Experience44 Years
Location2 Centerock Rd, West Nyack, New York
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:
  • Stephen A Klein attended and graduated from New York Medical College in 1980
  NPI Data:
  • NPI Number: 1831257872
  • Provider Enumeration Date: 12/04/2006
  • Last Update Date: 10/05/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 0244416311
  • Enrollment ID: I20110526000002

Medical Identifiers

Medical identifiers for Stephen A Klein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831257872NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 151797 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rockland Endocrine And Diabetes Services, P.c.87299796209

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. Stephen A Klein allows following entities to bill medicare on his behalf.
Entity NameRockland Endocrine & Diabetes Services, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245245125
PECOS PAC ID: 8729979620
Enrollment ID: O20040322000700

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. Stephen A Klein 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
Stephen A Klein, MD
155 Crystal Run Rd,
Middletown, NY 10941-4028

Ph: (845) 703-6999
Stephen A Klein, MD
2 Centerock Rd,
West Nyack, NY 10994-2215

Ph: (845) 703-6999

Reviews and Comments


Internal Medicine Doctors in West Nyack, NY

Emmanuelle Gilles, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2 Centerock Rd, West Nyack, NY 10994
Phone: 845-703-6999    Fax: 845-703-6297
Deborah A Shapiro, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2 Crosfield Ave, Ste 318, West Nyack, NY 10994
Phone: 845-353-5600    Fax: 845-353-5668
Jonathan Seth Katz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2 Centerock Rd, West Nyack, NY 10994
Phone: 845-703-6999    Fax: 845-703-6297
Kamini Shreedhar, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2 Crosfield Ave, Suite 204, West Nyack, NY 10994
Phone: 845-358-6266    Fax: 845-358-7872
Dr. Tehseen Haider, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2 Centerock Rd, West Nyack, NY 10994
Phone: 845-703-6999    Fax: 845-703-6297
Ramy Nael Abukwaik, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2 Centerock Rd, West Nyack, NY 10994
Phone: 845-348-1100    
Errold St Claire Reid Jr., MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2 Crosfield Ave Ste 318, West Nyack, NY 10994
Phone: 845-353-5600    Fax: 804-261-4904

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.