MRS. KATHRYN M SEMMELROCK AGPCNP
NPI 1245756808
Nurse Practitioner - Adult Health in Hackensack, NJ

Active since August 16, 2017PECOS EnrolledAccepts Medicare Assignment
99.15/100
CMS Quality Rating
20 PROSPECT AVE, HACKENSACK, NJ 07601(551) 996-4424(551) 996-0831 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 2, 2018, Feb 20, 2018, Aug 16, 2017 (3 updates tracked since 2017).

About Mrs. Kathryn M Semmelrock Agpcnp NPPES

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

MRS. KATHRYN M SEMMELROCK AGPCNP (NPI 1245756808) is an individual adult health provider in Hackensack, New Jersey, licensed in New Jersey (26NJ01049100) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with White Plains Hospital Center, and maintains a secondary practice location in White Plains.

NPPES Registry Identity

NPI1245756808
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. KATHRYN M SEMMELROCKCredential: AGPCNP
Location Address20 PROSPECT AVEHackensack, NJ 07601-1997
Mailing Address170 Maple Ave Ste 502White Plains, NY 10601-4708 · (914) 948-1000 · Fax (914) 949-5860
Fax(551) 996-0831
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateAugust 16, 2017
Last NPPES UpdateFebruary 9, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2026
NPI 1245756808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
Licenses Licensed in NJ · 26NJ01049100 Licensed in NY · 308316
20 PROSPECT AVE, Hackensack, NJ 07601

Secondary Practice Location 1

Location 1170 Maple Ave Ste 502White Plains, NY 10601-4708 · Phone (914) 948-1000 · Fax (914) 949-6109

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Kathryn M Semmelrock Agpcnp 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 ID446525638
PECOS Enrollment IDI20171016000635
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.

Hospital Affiliations CMS Care Compare

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

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330304
Location41 East Post R0adWhite Plains, NY 10601 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07601 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability99
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

Otolaryngology
20 PROSPECT AVE, SUITE 712
HACKENSACK, NJ 07601
Nurse Practitioner (Adult Health)
20 PROSPECT AVE, THE CANCER CENTER AT HACKENSACK UNIVERSITY MEDICAL CTR.
HACKENSACK, NJ 07601
Internal Medicine (Infectious Disease)
20 PROSPECT AVE, STE 507
HACKENSACK, NJ 07601
Psychiatry & Neurology (Neurology)
20 PROSPECT AVE, SUITE 800
HACKENSACK, NJ 07601
Internal Medicine (Infectious Disease)
20 PROSPECT AVE, SUITE 507
HACKENSACK, NJ 07601
Nurse Practitioner (Family)
20 PROSPECT AVE, SUITE 800
HACKENSACK, NJ 07601
Nurse Practitioner (Acute Care)
20 PROSPECT AVE
HACKENSACK, NJ 07601
Neurological Surgery
20 PROSPECT AVE, SUITE 811
HACKENSACK, NJ 07601

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 Kathryn Semmelrock's NPI number?

The NPI number for Kathryn Semmelrock is 1245756808. It was assigned to this individual provider in the NPPES registry on August 16, 2017.

Where is Kathryn Semmelrock located?

Kathryn Semmelrock practices at 20 Prospect Ave, Hackensack, NJ 07601. The listed phone number is (551) 996-4424.

What is Kathryn Semmelrock's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Kathryn Semmelrock enrolled in Medicare?

Yes. Kathryn Semmelrock 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.

Is Kathryn Semmelrock affiliated with any hospitals?

According to CMS data, Kathryn Semmelrock is affiliated with White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for Kathryn Semmelrock was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.