Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DEXTER E HAZLEWOOD MD
NPI 1265524771
Internal Medicine in New London, NH

Q: What is Dexter Hazlewood's NPI number?

The NPI number for Dexter Hazlewood is 1265524771. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Q: What is Dexter Hazlewood's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Dexter Hazlewood was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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 September 29, 2006PECOS Enrolled

89.75/100

CMS Quality Rating

273 COUNTY RD, NEW LONDON, NH 03257(603) 526-2911 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2026, Jul 2, 2025, Feb 28, 2023 and 2 more (5 updates tracked since 2020).

On this page

About Dr. Dexter E Hazlewood Md NPPES

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

DR. DEXTER E HAZLEWOOD MD (NPI 1265524771) is an individual internal medicine provider in New London, New Hampshire, licensed in Michigan (4301518564) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Health - Harrington Hospital, and maintains a secondary practice location in Portage.

NPPES Registry Identity

NPI1265524771

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. DEXTER E HAZLEWOODCredential: MD

Location Address273 COUNTY RDNew London, NH 03257-5736

Mailing Address413 Adelphi StBrooklyn, NY 11238-1579 · (309) 258-0429

Phone(603) 526-2911

Sole ProprietorNo

Medical School CMSOtherGraduated 1986

Enumeration DateSeptember 29, 2006

Last NPPES UpdateSeptember 8, 20265 updates tracked since enumeration

NPPES CertifiedSeptember 8, 2026

✔ NPI 1265524771 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MI · 4301518564✔ Licensed in NH · EL11189✔ Licensed in IL · 036085210✔ Licensed in MA · 1021922

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

273 COUNTY RD, New London, NH 03257

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Secondary Practice Location 1

Location 12600 W Centre AvePortage, MI 49024-4828 · Phone (269) 324-4141

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dexter E Hazlewood Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820234313

PECOS Enrollment IDI20250822000321

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

Medicare enrollment records show Dexter Hazlewood reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dartmouth-Hitchcock Clinic

17 mi

Rehabilitation, Substance Use Disorder

7 DUNNING ST
Claremont, NH 03743

Reassigned Medicare billing, New Hampshire enrollment
2,999 clinicians in this Medicare group

NPI 1891648952 (603) 542-7771

Mary Hitchcock Memorial Hospital

22 mi

General Acute Care Hospital

ONE MEDICAL CENTER DR
Lebanon, NH 03756

Reassigned Medicare billing, New Hampshire enrollment
2,620 clinicians in this Medicare group

NPI 1023092053 (603) 650-5000

Bronson Battle Creek Hospital

673 mi

Internal Medicine

300 NORTH AVE
Battle Creek, MI 49017

Reassigned Medicare billing, Michigan enrollment
557 clinicians in this Medicare group

NPI 1093119638 (269) 245-8000

Bronson Methodist Hospital

693 mi

Hospitalist

601 JOHN STREET
Kalamazoo, MI 49007

Reassigned Medicare billing, Michigan enrollment
1,133 clinicians in this Medicare group

NPI 1417961137 (269) 341-7654

Bronson South Haven Hospital

726 mi

Family Medicine

950 S BAILEY AVE
South Haven, MI 49090

Reassigned Medicare billing, Michigan enrollment
190 clinicians in this Medicare group

NPI 1174749170 (269) 637-5271

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 9

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.

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.

484 services328 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

98 services53 patients

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.

93 services93 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.

41 services39 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

23 services20 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

22 services18 patients

Hospital Affiliations CMS Care Compare

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

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220019

Location100 South StreetSouthbridge, MA 01550 · Worcester County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03257 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

$132.09 typical visit price

range $57.75 – $174.26

Typical copayment $33.02 (range $14.43 – $43.56)

Most-billed visit code 99204

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.

89.75/100

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

Scored as part of a group practice

Quality

81.37

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

7 suppliers20 claims38 services$4.92 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

2 suppliers13 claims13 services$38.04 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

3 suppliers14 claims14 services$94.29 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

3 suppliers13 claims34 services$35.36 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

2 suppliers14 claims74 services$2.25 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

SHERRI DAWSON HODGDON RPH

Pharmacist