ALYSSA KOELKER APRN
NPI 1255083879
Nurse Practitioner - Family in Rochester, NH

Active since January 25, 2022PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
11 WHITEHALL RD, ROCHESTER, NH 03867(603) 994-7600 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 31, 2023, Jan 25, 2022 (2 updates tracked since 2022).

About Alyssa Koelker Aprn NPPES

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

ALYSSA KOELKER APRN (NPI 1255083879) is an individual family provider in Rochester, New Hampshire, licensed in New Hampshire (087022-23) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS, is affiliated with Wentworth-douglass Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1255083879
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALYSSA KOELKERCredential: APRN
Location Address11 WHITEHALL RDRochester, NH 03867-3226
Mailing AddressPo Box 774North Berwick, ME 03906-0774
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJanuary 25, 2022
Last NPPES UpdateOctober 31, 20232 updates tracked since enumeration
NPPES CertifiedOctober 31, 2023
NPI 1255083879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in NH · 087022-23
11 WHITEHALL RD, Rochester, NH 03867

Other Identifiers 1

Medicaid3133537NH

Accepted Insurance

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

Alyssa Koelker Aprn 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 ID3779960620
PECOS Enrollment IDI20220513001627
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.

Areas of Expertise CMS Part B claims 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
127 services125 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
110 services105 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300018
Location789 Central AveDover, NH 03820 · Strafford County
Emergency services Birthing friendly

Portsmouth Regional Hospital

Acute Care Hospitals · Portsmouth, NH
3/5 CMS rating
OwnershipProprietary
CMS Certification Number300029
Location333 Borthwick AvePortsmouth, NH 03801 · Rockingham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03867 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
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

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.

General Acute Care Hospital
11 WHITEHALL RD
ROCHESTER, NH 03867
Physician Assistant
11 WHITEHALL RD
ROCHESTER, NH 03867
Psychiatric Unit
11 WHITEHALL RD
ROCHESTER, NH 03867
Emergency Medicine
11 WHITEHALL RD
ROCHESTER, NH 03867
Nurse Practitioner (Family)
11 WHITEHALL RD
ROCHESTER, NH 03867
Obstetrics & Gynecology
11 WHITEHALL RD
ROCHESTER, NH 03867
Social Worker (Clinical)
11 WHITEHALL RD
ROCHESTER, NH 03867
Psychiatric Unit
11 WHITEHALL RD
ROCHESTER, NH 03867

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 Alyssa Koelker's NPI number?

The NPI number for Alyssa Koelker is 1255083879. It was assigned to this individual provider in the NPPES registry on January 25, 2022.

Where is Alyssa Koelker located?

Alyssa Koelker practices at 11 Whitehall Rd, Rochester, NH 03867. The listed phone number is (603) 994-7600.

What is Alyssa Koelker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Alyssa Koelker enrolled in Medicare?

Yes. Alyssa Koelker 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.

What insurance does Alyssa Koelker accept?

Health plans from WellSense Health Plan list Alyssa Koelker 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 Alyssa Koelker affiliated with any hospitals?

According to CMS data, Alyssa Koelker is affiliated with Wentworth-Douglass Hospital and Portsmouth Regional Hospital.

When was this NPI record last updated?

The NPPES record for Alyssa Koelker was last updated on October 31, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.