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KEVIN BOYD SIEWERS NP
NPI 1215056221
Nurse Practitioner - Psychiatric/Mental Health in Denville, NJ

Active since March 29, 2007PECOS EnrolledAccepts Medicare Assignment
95 E MAIN ST, DENVILLE, NJ 07834(862) 704-3055 Get Directions Write a Review

NPPES record last updated: May 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2026, May 1, 2026, Aug 11, 2023 (3 updates tracked since 2023).

About Kevin Boyd Siewers Np NPPES

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

KEVIN BOYD SIEWERS NP (NPI 1215056221) is an individual psychiatric/mental health provider in Denville, New Jersey, licensed in New York (F400287) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1215056221
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameKEVIN BOYD SIEWERSCredential: NP
Location Address95 E MAIN STDenville, NJ 07834-2158
Mailing Address587 BroadwayStaten Island, NY 10310-2828 · (917) 232-4830
Phone(862) 704-3055
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateMarch 29, 2007
Last NPPES UpdateMay 8, 20263 updates tracked since enumeration
NPPES CertifiedMay 8, 2026
✔ NPI 1215056221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in NY · F400287✔ Licensed in NJ · 26NJ00036300
95 E MAIN ST, Denville, NJ 07834
Open in Google Maps ↗

Secondary Practice Location 1

Location 17701 13th AveBrooklyn, NY 11228-2413 · Phone (718) 232-1351

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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 and accepts Medicare assignment

Kevin Boyd Siewers Np 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 ID9133217664
PECOS Enrollment IDI20071117000046, I20160202001483
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

7

Medicare enrollment records show Kevin Siewers reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inner Healing Therapy Center
0.3 mi
Clinical
95 E MAIN ST STE 109
Denville, NJ 07834
  • Reassigned Medicare billing, New Jersey enrollment
  • 5 clinicians in this Medicare group
NPI 1629788609 (862) 704-3055
Barnabas Health Medical Group, PC
13 mi
Specialist
95 OLD SHORT HILLS RD
West Orange, NJ 07052
  • Reassigned Medicare billing, New Jersey enrollment
  • 757 clinicians in this Medicare group
NPI 1447206420 (888) 724-7123
New York General Medical Services PC
28 mi
Hospitalist
1060 AMSTERDAM AVE
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 179 clinicians in this Medicare group
NPI 1700315538 (865) 693-1000
National Neighborhood Counseling Center Inc
31 mi
Mental Health (Including Community Mental Health Center)
7701 13TH AVE
Brooklyn, NY 11228
  • Reassigned Medicare billing, New York enrollment
  • 20 clinicians in this Medicare group
NPI 1457352098 (718) 232-1351
Hospitalist Healthcare Services PLLC
38 mi
Internal Medicine
3 BARKER AVE
White Plains, NY 10601
  • Reassigned Medicare billing, New York enrollment
  • 167 clinicians in this Medicare group
NPI 1275962011 (914) 949-1199
Cs Pacs 3 Northeast, LLC
187 mi
Hospitalist
30 NORTH PL
Frederick, MD 21701
  • Reassigned Medicare billing, New York enrollment
  • 158 clinicians in this Medicare group
NPI 1093598898 (301) 695-6618
Nv Pacs 2 LLC
2,217 mi
Hospitalist
10550 PARK RUN DR
Las Vegas, NV 89144
  • Reassigned Medicare billing, New York enrollment
  • 178 clinicians in this Medicare group
NPI 1427534809 (865) 693-1000

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
193 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
135 services50 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
111 services33 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
26 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07834 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.

Other Providers at the Same Location NPPES 5

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

THERAPY INSIGHTS, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
95 E MAIN ST
DENVILLE, NJ 07834
Morris County (973) 404-0719
DR. JUDY M JUCO MD
Family Medicine
95 E MAIN ST, SUITE106
DENVILLE, NJ 07834
Morris County (973) 586-4111
COMMUNITY OPTIONS ENTERPRISES, INC.
Day Training, Developmentally Disabled Services
95 E MAIN ST
DENVILLE, NJ 07834
Morris County (609) 951-9900
ENTITY CARE LLC
Clinic/Center (Physical Therapy)
95 E MAIN ST
DENVILLE, NJ 07834
Morris County (201) 948-4321
MRS. SHARA MARIE RESENDE M.S., L.AC., C.A.
Acupuncturist
95 E MAIN ST, SUITE 107
DENVILLE, NJ 07834
Morris County (973) 784-4273

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 Kevin Siewers's NPI number?

The NPI number for Kevin Siewers is 1215056221. It was assigned to this individual provider in the NPPES registry on March 29, 2007.

Where is Kevin Siewers located?

Kevin Siewers practices at 95 E Main St, Denville, NJ 07834. The listed phone number is (862) 704-3055.

What is Kevin Siewers's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Kevin Siewers enrolled in Medicare?

Yes. Kevin Siewers 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 Kevin Siewers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Siewers reassigns Medicare benefits to 7 organizations: Inner Healing Therapy Center (Denville, NJ), Barnabas Health Medical Group, PC (West Orange, NJ), New York General Medical Services PC (New York, NY), National Neighborhood Counseling Center Inc (Brooklyn, NY), Hospitalist Healthcare Services PLLC (White Plains, NY) and 2 more organizations, listed in the Medicare section above. 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 Kevin Siewers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kevin Siewers accept?

Health plans from Oscar Health list Kevin Siewers 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 Kevin Siewers was last updated on May 8, 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.