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DR. WALTER PEREZ MD
NPI 1255396982
Obstetrics & Gynecology in Harrison, NJ

Active since April 18, 2006PECOS Enrolled
213 HARRISON AVE, HARRISON, NJ 07029(973) 350-0800(973) 350-0885 Get Directions Write a Review

NPPES record last updated: March 1, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Walter Perez Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WALTER PEREZ MD (NPI 1255396982) is an individual obstetrics & gynecology provider in Harrison, New Jersey, licensed in New Jersey (25MA06952400) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255396982
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. WALTER PEREZCredential: MD
Location Address213 HARRISON AVEHarrison, NJ 07029-1340
Mailing AddressPo Box 213Harrison, NJ 07029-0213 · (973) 350-0800 · Fax (973) 350-0885
Phone(973) 350-0800
Fax(973) 350-0885
Sole ProprietorYes
Enumeration DateApril 18, 2006
Last NPPES UpdateMarch 1, 2022
NPPES CertifiedMarch 1, 2022
✔ NPI 1255396982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NJ · 25MA06952400
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
213 HARRISON AVE, Harrison, NJ 07029
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Other Identifiers 12

OtherP3564059NJ · Oxford
Other2412578001NJ · Amerihealth Of Nj
Other1000748500NJ · Americhoice Of Nj
Other6953243NJ · Cigna Healthcare
Other7815248NJ · Aetna Ppo
Other108244NJ · Amerigroup Of Nj
Other2143265NJ · United Health Care
Other2K7705NJ · Health Net
Other8223205NJ · Ghi
Other3802206NJ · Aetna Hmo
Other34730NJ · United Health Care
Medicaid63584NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Walter Perez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Walter Perez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Walter Perez, M.D., L.L.C.
Same address
Obstetrics & Gynecology
213 HARRISON AVE
Harrison, NJ 07029
  • Reassigned Medicare billing, New Jersey enrollment
NPI 1467414128 (973) 350-0800
Barnabas Health Medical Group PC
6.6 mi
Specialist
225 WILLIAMSON ST
Elizabeth, NJ 07202
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,894 clinicians in this Medicare group
NPI 1841557246 (888) 724-7123
Ob Hospitalist Services New Jersey, PA
605 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD # BUILING1
Greenville, SC 29607
  • Reassigned Medicare billing, New Jersey enrollment
  • 155 clinicians in this Medicare group
NPI 1801169966 (800) 967-2289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WALTER PEREZ, M.D., L.L.C.
Obstetrics & Gynecology
213 HARRISON AVE
HARRISON, NJ 07029
Hudson County (973) 350-0800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Walter Perez's NPI number?

The NPI number for Walter Perez is 1255396982. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Walter Perez located?

Walter Perez practices at 213 Harrison Ave, Harrison, NJ 07029. The listed phone number is (973) 350-0800.

What is Walter Perez's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Walter Perez enrolled in Medicare?

Yes. Walter Perez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Walter Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Walter Perez reassigns Medicare benefits to 3 organizations: Walter Perez, M.D., L.L.C. (Harrison, NJ), Barnabas Health Medical Group PC (Elizabeth, NJ) and Ob Hospitalist Services New Jersey, PA (Greenville, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Walter Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Walter Perez accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Walter Perez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Walter Perez was last updated on March 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.