PHENTON TRAVIS HARKER MD
NPI 1629148911
Preventive Medicine - Public Health & General Preventive Medicine in Portsmouth, NH

Q: What is Phenton Harker's NPI number?

The NPI number for Phenton Harker is 1629148911. It was assigned to this individual provider in the NPPES registry on November 8, 2006.

Q: What is Phenton Harker's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Q: When was this NPI record last updated?

The NPPES record for Phenton Harker was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since November 08, 2006PECOS EnrolledAccepts Medicare Assignment

25 NEW HAMPSHIRE AVE, SUITE 100, PORTSMOUTH, NH 03801(603) 431-2516(603) 228-7307 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 18, 2025, Sep 11, 2025 (2 updates tracked since 2025).

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About Phenton Travis Harker Md NPPES

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

PHENTON TRAVIS HARKER MD (NPI 1629148911) is an individual public health & general preventive medicine provider in Portsmouth, New Hampshire, licensed in New Hampshire (13320) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with York Hospital, and is a graduate of Ohio State University College Of Medicine (2001).

NPPES Registry Identity

NPI1629148911

Entity TypeIndividualMale

Primary Taxonomy2083P0901X

Provider Legal NamePHENTON TRAVIS HARKERCredential: MD

Location Address25 NEW HAMPSHIRE AVE, SUITE 100Portsmouth, NH 03801

Mailing Address25 New Hampshire Ave, Suite 100Portsmouth, NH 03801 · (603) 431-2516 · Fax (603) 228-7307

Phone(603) 431-2516

Fax(603) 228-7307

Sole ProprietorNo

Medical School CMSOhio State University College Of MedicineGraduated 2001

Enumeration DateNovember 8, 2006

Last NPPES UpdateNovember 18, 20252 updates tracked since enumeration

NPPES CertifiedNovember 18, 2025

✔ NPI 1629148911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Public Health & General Preventive MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0901X

License✔ Licensed in NH · 13320

Definition

Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 13320 (NH)

25 NEW HAMPSHIRE AVE, Portsmouth, NH 03801

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Other Identifiers 11

Other222594672NH · United Healthcare Ins

Other222594672NH · Greatwest Healthcare Ins.

Other4491080NH · Cigna Insurance

Other01YP11322NH01NH · Anthem Insurance

Other4152065NH · Mvp Insurance

Other3375424NH · Aetna Insurance

Other222594672NH · Tricare Insurance

Medicaid30206388NH

Other222594672NH · Martins Point Insurance

Other222594672NH · Private Healthcare

OtherAA75724NH · Harvard Pilgrim Insurance

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.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

Phenton Travis Harker Md 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 ID5496755969

PECOS Enrollment IDI20070106000036

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 7

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.

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

145 services145 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

118 services90 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.

116 services94 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

68 services45 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

20 services17 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

15 services15 patients

Hospital Affiliations CMS Care Compare 4

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

York Hospital

Acute Care Hospitals · York, ME

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200020

Location15 Hospital DriveYork, ME 03909 · York County

Emergency services Birthing friendly

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

Exeter Hospital Inc

Acute Care Hospitals · Exeter, NH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300023

Location5 Alumni DriveExeter, NH 03833 · Rockingham 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 03801 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

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

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 10

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

BEACON HOSPICE, LLC

Hospice Care, Community Based

25 NEW HAMPSHIRE AVE, SUITE 272
PORTSMOUTH, NH 03801

Rockingham County (603) 433-2480

OCCUPATIONAL HEALTH SERVICES OF PORTSMOUTH REGIONAL HOSPITAL, LLC

Clinic/Center (Occupational Medicine)

25 NEW HAMPSHIRE AVE, SUITE 105
PORTSMOUTH, NH 03801

Rockingham County (603) 430-9675

KAREN L PALMER DO

Family Medicine

25 NEW HAMPSHIRE AVE, SUITE 100
PORTSMOUTH, NH 03801

Rockingham County (603) 431-2516

AMEDISYS NEW HAMPSHIRE, L.L.C.

Home Health

25 NEW HAMPSHIRE AVE, SUITE 270
PORTSMOUTH, NH 03801

Rockingham County (603) 436-0815

YOHANNA ADELBA GARCIA HERNANDEZ NP

Nurse Practitioner (Family)

25 NEW HAMPSHIRE AVE, SUITE 100
PORTSMOUTH, NH 03801

Rockingham County (603) 431-2516

AMEDISYS NEW HAMPSHIRE, L.L.C.

Home Health

25 NEW HAMPSHIRE AVE, SUITE 270
PORTSMOUTH, NH 03801

Rockingham County (603) 436-0815

PARIS KHAVARI MD

Internal Medicine

25 NEW HAMPSHIRE AVE, SUITE 100
PORTSMOUTH, NH 03801

Rockingham County (603) 431-2516

SUSAN A MURRAY MD

Family Medicine

25 NEW HAMPSHIRE AVE, SUITE 100
PORTSMOUTH, NH 03801

Rockingham County (603) 431-2516

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 Phenton Harker's NPI number?

The NPI number for Phenton Harker is 1629148911. It was assigned to this individual provider in the NPPES registry on November 8, 2006.

Where is Phenton Harker located?

Phenton Harker practices at 25 New Hampshire Ave Suite 100, Portsmouth, NH 03801. The listed phone number is (603) 431-2516.

What is Phenton Harker's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Is Phenton Harker enrolled in Medicare?

Yes. Phenton Harker 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 Phenton Harker accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Phenton Harker 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 Phenton Harker affiliated with any hospitals?

According to CMS data, Phenton Harker is affiliated with York Hospital, Wentworth-Douglass Hospital, Exeter Hospital Inc and Portsmouth Regional Hospital.

When was this NPI record last updated?

The NPPES record for Phenton Harker was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.