Dr Walter Perez, MD - Medicare Obstetrics & Gynecology in Harrison, NJ

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Dr Walter Perez, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Harrison, New Jersey. His current practice location is 213 Harrison Ave, Harrison, New Jersey. You can reach out to his office (for appointments etc.) via phone at (973) 350-0800.

Dr Walter Perez is licensed to practice in New Jersey (license number 25MA06952400) 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 1255396982.

Contact Information

Dr Walter Perez, MD
213 Harrison Ave,
Harrison, NJ 07029-1340
(973) 350-0800
(973) 350-0885

Map and Direction




Physician's Profile

Full NameDr Walter Perez
GenderMale
SpecialityObstetrics & Gynecology
Location213 Harrison Ave, Harrison, New Jersey
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1255396982
  • Provider Enumeration Date: 04/18/2006
  • Last Update Date: 03/01/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9133168065
  • Enrollment ID: I20050429000002

Medical Identifiers

Medical identifiers for Dr Walter Perez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255396982NPI-NPPES
2K7705OtherNJHEALTH NET
3802206OtherNJAETNA HMO
6953243OtherNJCIGNA HEALTHCARE
63584MedicaidNJ
P3564059OtherNJOXFORD
7815248OtherNJAETNA PPO
108244OtherNJAMERIGROUP OF NJ
8223205OtherNJGHI
34730OtherNJUNITED HEALTH CARE
2143265OtherNJUNITED HEALTH CARE
2412578001OtherNJAMERIHEALTH OF NJ
1000748500OtherNJAMERICHOICE OF NJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 25MA06952400 (New Jersey)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 Walter Perez allows following entities to bill medicare on his behalf.
Entity NameWalter Perez, M.d., L.l.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467414128
PECOS PAC ID: 8224077151
Enrollment ID: O20050429000001
Entity NameBarnabas Health Medical Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841557246
PECOS PAC ID: 9537316955
Enrollment ID: O20120820000951
Entity NameOb Hospitalist Services New Jersey Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801169966
PECOS PAC ID: 3476859182
Enrollment ID: O20160307001190

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 Walter Perez 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 Walter Perez, MD
Po Box 213,
Harrison, NJ 07029-0213

Ph: (973) 350-0800		Dr Walter Perez, MD
213 Harrison Ave,
Harrison, NJ 07029-1340

Ph: (973) 350-0800

Reviews and Comments


Obstetrics & Gynecology Doctors in Harrison, NJ


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.