MATTHEW HEWSTON
NPI 1275929135
Internal Medicine - Sleep Medicine in Cedar Knolls, NJ

Q: What is Matthew Hewston's NPI number?

The NPI number for Matthew Hewston is 1275929135. It was assigned to this individual provider in the NPPES registry on April 7, 2015.

Q: What is Matthew Hewston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Hewston was last updated on September 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 April 07, 2015PECOS EnrolledAccepts Medicare Assignment

8 SADDLE RD, CEDAR KNOLLS, NJ 07927(973) 267-9393(973) 540-0472 Get Directions Write a Review

NPPES record last updated: September 20, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Matthew Hewston NPPES

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

MATTHEW HEWSTON (NPI 1275929135) is an individual sleep medicine provider in Cedar Knolls, New Jersey, licensed in New Jersey (25MB11544400) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1275929135

Entity TypeIndividualMale

Primary Taxonomy207RS0012X

Provider Legal NameMATTHEW HEWSTON

Location Address8 SADDLE RDCedar Knolls, NJ 07927-1902

Mailing AddressPo Box 416457Boston, MA 02241-6457 · (844) 362-1735 · Fax (973) 290-7495

Phone(973) 267-9393

Fax(973) 540-0472

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateApril 7, 2015

Last NPPES UpdateSeptember 20, 2022

NPPES CertifiedSeptember 15, 2022

✔ NPI 1275929135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in NJ · 25MB11544400

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 25MB11544400 (NJ)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

8 SADDLE RD, Cedar Knolls, NJ 07927

Open in Google Maps ↗

Secondary Practice Locations 3

Location 12 N Village Blvd Ste 2ASparta, NJ 07871-3592 · Phone (973) 579-3444 · Fax (908) 522-5121

Location 217 Wanaque AvenuePompton Plains, NJ 07442 · Phone (973) 617-1750 · Fax (973) 617-1751

Location 31 Springfield Ave Fl 3Summit, NJ 07901-4055 · Phone (908) 934-0555 · Fax (908) 934-0556

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, 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

Matthew Hewston 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 ID4688962731

PECOS Enrollment IDI20220927002155

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 Reassignment

Medicare enrollment records show Matthew Hewston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Practice Associates Medical Group

1.8 mi

Internal Medicine

100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
1,699 clinicians in this Medicare group

NPI 1427016385 (844) 264-2250

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 14

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.

467 services285 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.

242 services191 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

115 services115 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

99 services99 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

73 services71 patients

Sleep study including heart rate, breathing, and sleep time 95800

A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.

72 services70 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

70 services50 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

58 services57 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

52 services51 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

39 services38 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

29 services29 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

27 services26 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.

21 services18 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

13 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310015

Location100 Madison AveMorristown, NJ 07960 · Morris County

Emergency services Birthing friendly

Chilton Medical Center

Acute Care Hospitals · Pompton Plains, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310017

Location97 West ParkwayPompton Plains, NJ 07444 · Morris County

Emergency services Birthing friendly

Newton Medical Center

Acute Care Hospitals · Newton, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310028

Location175 High StNewton, NJ 07860 · Sussex County

Emergency services Birthing friendly

Saint Clare's Hospital/ Denville Campus

Acute Care Hospitals · Denville, NJ

3/5 CMS rating

OwnershipProprietary

CMS Certification Number310050

Location25 Pocono RoadDenville, NJ 07834 · Morris County

Emergency services Birthing friendly

Hackettstown Medical Center

Acute Care Hospitals · Hackettstown, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310115

Location651 Willow Grove StHackettstown, NJ 07840 · Warren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07927 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims 4

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

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

DME-Other DME · category DE001N

5 suppliers11 claims11 services$32.44 avg. paid by Medicare

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

DME-Other DME · category DE001N

5 suppliers12 claims12 services$76.21 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

6 suppliers14 claims14 services$15.16 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers13 claims56 services$1.79 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 18

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

PAIN MANAGEMENT AND ANESTHESIOLOGY OF NJ PC

Clinic/Center (Pain)

8 SADDLE RD, SUITE 204
CEDAR KNOLLS, NJ 07927

Morris County (973) 998-7868

MRS. MICHELE A DASILVA RRT

Respiratory Therapist, Registered

8 SADDLE RD
CEDAR KNOLLS, NJ 07927

Morris County (973) 455-1122

SUNRISE LIFESTYLE CENTERS LLC

Clinic/Center (Rehabilitation, Comprehensive Outpatient Rehabilitation Facility (CORF))

8 SADDLE RD, SUITE 202
CEDAR KNOLLS, NJ 07927

Morris County (973) 455-1122

SADDLE SURGERY CENTER CORP

Clinic/Center (Ambulatory Surgical)

8 SADDLE RD, SUITE 204
CEDAR KNOLLS, NJ 07927

Morris County (973) 998-7868

MIKHAIL SOLOMONOV MD

Anesthesiology

8 SADDLE RD, SUITE 204
CEDAR KNOLLS, NJ 07927

Morris County (973) 998-7868

KATHRYN WAKSMUNDZKI-SILVA M.D.

Internal Medicine (Pulmonary Disease)

8 SADDLE RD
CEDAR KNOLLS, NJ 07927

Morris County (973) 267-9393

DR. HEEJIN MICHELLE KIM M.D.

Internal Medicine (Pulmonary Disease)

8 SADDLE RD, SUITE 101
CEDAR KNOLLS, NJ 07927

Morris County (973) 267-9393

KATHLEEN IZZO RRT

Respiratory Therapist, Registered

8 SADDLE RD
CEDAR KNOLLS, NJ 07927

Morris County (973) 455-1122

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 Matthew Hewston's NPI number?

The NPI number for Matthew Hewston is 1275929135. It was assigned to this individual provider in the NPPES registry on April 7, 2015.

Where is Matthew Hewston located?

Matthew Hewston practices at 8 Saddle Rd, Cedar Knolls, NJ 07927. The listed phone number is (973) 267-9393.

What is Matthew Hewston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Matthew Hewston enrolled in Medicare?

Yes. Matthew Hewston 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 organization bills Medicare for Matthew Hewston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Hewston reassigns Medicare benefits to Practice Associates Medical Group (Morristown, NJ). The 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 Matthew Hewston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Hewston accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Matthew Hewston 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 Matthew Hewston affiliated with any hospitals?

According to CMS data, Matthew Hewston is affiliated with Morristown Medical Center, Chilton Medical Center, Newton Medical Center, Saint Clare's Hospital/ Denville Campus and Hackettstown Medical Center.

When was this NPI record last updated?

The NPPES record for Matthew Hewston was last updated on September 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.