NATHAN J ABARE II MD
NPI 1386852747
Internal Medicine in Springfield, MA

Active since May 18, 2007PECOS EnrolledAccepts Medicare Assignment
100 WASON AVE STE 240, SPRINGFIELD, MA 01107(413) 794-9223(413) 794-8361 Get Directions Write a Review

NPPES record last updated: June 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 4, 2025, Feb 9, 2022, Nov 15, 2016 and 1 more (4 updates tracked since 2016).

About Nathan J Abare Ii Md NPPES

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

NATHAN J ABARE II MD (NPI 1386852747) is an individual internal medicine provider in Springfield, Massachusetts, licensed in Massachusetts (235479) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Baystate Medical Center, and is a graduate of University Of Massachusetts Medical School (2005).

NPPES Registry Identity

NPI1386852747
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNATHAN J ABARE IICredential: MD
Location Address100 WASON AVE STE 240Springfield, MA 01107-1179
Mailing Address280 Chestnut St, 2nd FloorSpringfield, MA 01199-1001 · (413) 794-5700
Fax(413) 794-8361
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2005
Enumeration DateMay 18, 2007
Last NPPES UpdateJune 4, 20254 updates tracked since enumeration
NPPES CertifiedJune 4, 2025
NPI 1386852747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 235479
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.
Also ListedHospitalistTaxonomy 208M00000X · License 235479 (MA)
100 WASON AVE STE 240, Springfield, MA 01107

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

Nathan J Abare Ii 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 ID7719050566
PECOS Enrollment IDI20080726000146
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.

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.
347 services347 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.
214 services207 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.
91 services91 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
64 services21 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
63 services63 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.
63 services62 patients

Hospital Affiliations CMS Care Compare

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

Baystate Medical Center

Acute Care Hospitals · Springfield, MA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220077
Location759 Chestnut StreetSpringfield, MA 01199 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01107 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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 10

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
16 suppliers48 claims137 services$5.81 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers18 claims22 services$0.86 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
3 suppliers12 claims258 services$2.42 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
4 suppliers11 claims63 services$11.71 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers17 claims17 services$41.21 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers11 claims11 services$15.33 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 5

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

Physician Assistant
100 WASON AVE STE 240
SPRINGFIELD, MA 01107
Nurse Practitioner (Family)
100 WASON AVE STE 240
SPRINGFIELD, MA 01107
Nurse Practitioner (Adult Health)
100 WASON AVE STE 240
SPRINGFIELD, MA 01107
Internal Medicine
100 WASON AVE STE 240
SPRINGFIELD, MA 01107
Nurse Practitioner (Adult Health)
100 WASON AVE STE 240
SPRINGFIELD, MA 01107

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 Nathan Abare's NPI number?

The NPI number for Nathan Abare is 1386852747. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Where is Nathan Abare located?

Nathan Abare practices at 100 Wason Ave Ste 240, Springfield, MA 01107. The listed phone number is (413) 794-9223.

What is Nathan Abare's specialty?

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

Is Nathan Abare enrolled in Medicare?

Yes. Nathan Abare 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.

Is Nathan Abare affiliated with any hospitals?

According to CMS data, Nathan Abare is affiliated with Baystate Medical Center.

When was this NPI record last updated?

The NPPES record for Nathan Abare was last updated on June 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.