ZACHARY MASON MERRIAM D.O.
NPI 1740476563
Obstetrics & Gynecology in Englewood, NJ

Active since September 16, 2007PECOS EnrolledAccepts Medicare Assignment
401 S VAN BRUNT ST STE 301, ENGLEWOOD, NJ 07631(201) 659-7700 Get Directions Write a Review

NPPES record last updated: May 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 8, 2024, Mar 16, 2021 (2 updates tracked since 2021).

About Zachary Mason Merriam D.o. NPPES

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

ZACHARY MASON MERRIAM D.O. (NPI 1740476563) is an individual obstetrics & gynecology provider in Englewood, New Jersey, licensed in New Jersey (25MB09689400) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Englewood Hospital And Medical Center, and maintains a secondary practice location in Jamaica.

NPPES Registry Identity

NPI1740476563
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameZACHARY MASON MERRIAMCredential: D.O.
Location Address401 S VAN BRUNT ST STE 301Englewood, NJ 07631-4600
Mailing Address401 S Van Brunt St Ste 301Englewood, NJ 07631-4600 · (201) 659-7700
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2007
Enumeration DateSeptember 16, 2007
Last NPPES UpdateMay 30, 20242 updates tracked since enumeration
NPPES CertifiedMay 30, 2024
✔ NPI 1740476563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in NJ · 25MB09689400✔ Licensed in CT · 050100✔ Licensed in NY · 263823
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.
401 S VAN BRUNT ST STE 301, Englewood, NJ 07631

Secondary Practice Location 1

Location 18900 Van Wyck Expy, DEPT. OF OBGYNJamaica, NY 11418-2832 · Phone (718) 206-8518

Other Identifiers 1

Medicaid0980536NJ

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Zachary Mason Merriam D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638348212
PECOS Enrollment IDI20160913002502
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

2

Medicare enrollment records show Zachary Merriam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
350 ENGLE ST
Englewood, NJ 07631
  • Reassigned Medicare billing, New Jersey enrollment
  • 849 clinicians in this Medicare group
Obstetrics & Gynecology
100 CAMPUS DR STE 405
Florham Park, NJ 07932
  • Reassigned Medicare billing, New Jersey enrollment
  • 230 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Englewood Hospital And Medical Center

Acute Care Hospitals · Englewood, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310045
Location350 Engle StEnglewood, NJ 07631 · Bergen County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07631 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.

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 Zachary Merriam's NPI number?

The NPI number for Zachary Merriam is 1740476563. It was assigned to this individual provider in the NPPES registry on September 16, 2007.

Where is Zachary Merriam located?

Zachary Merriam practices at 401 S Van Brunt St Ste 301, Englewood, NJ 07631. The listed phone number is (201) 659-7700.

What is Zachary Merriam's specialty?

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

Is Zachary Merriam enrolled in Medicare?

Yes. Zachary Merriam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Zachary Merriam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Merriam reassigns Medicare benefits to 2 organizations: Medical Associates Of Englewood, PC (Englewood, NJ) and Lifeline Medical Associates, LLC (Florham Park, NJ). 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 Zachary Merriam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Merriam accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Zachary Merriam 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.

Is Zachary Merriam affiliated with any hospitals?

According to CMS data, Zachary Merriam is affiliated with Englewood Hospital And Medical Center.

When was this NPI record last updated?

The NPPES record for Zachary Merriam was last updated on May 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.