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NATHANIEL J MERRELL M.D.
NPI 1922162262
Surgery in Leominster, MA

Active since December 21, 2006PECOS EnrolledAccepts Medicare Assignment
97.02/100
CMS Quality Rating
100 HOSPITAL RD, SUITE 2B, LEOMINSTER, MA 01453(978) 840-6481(978) 840-0506 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Nathaniel J Merrell M.d. NPPES

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

NATHANIEL J MERRELL M.D. (NPI 1922162262) is an individual surgery provider in Leominster, Massachusetts, licensed in Massachusetts (72557) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of University Of Rochester School Of Medicine And Dentistry (1987).

NPPES Registry Identity

NPI1922162262
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameNATHANIEL J MERRELLCredential: M.D.
Location Address100 HOSPITAL RD, SUITE 2BLeominster, MA 01453-2253
Mailing Address100 Hospital Rd, Suite 2bLeominster, MA 01453-2253 · (978) 840-6481 · Fax (978) 840-0506
Phone(978) 840-6481
Fax(978) 840-0506
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 1987
Enumeration DateDecember 21, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1922162262 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MA · 72557
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
100 HOSPITAL RD, Leominster, MA 01453
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Other Identifiers 3

Medicare UPINF30042MA
Medicare ID-Type UnspecifiedJ13543MA
Medicaid3108708MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Nathaniel J Merrell M.d. 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 ID9537101084
PECOS Enrollment IDI20050525000719
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.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
86 services72 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.
66 services66 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.
39 services23 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
29 services29 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
29 services29 patients
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less 12031
This procedure involves the repair of a wound that is located on the scalp, underarms, trunk, arms, or legs and is 2.5 cm or less in size. The repair is intermediate, meaning it's more complex than a simple closure, but not as extensive as a complex repair.
19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01453 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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.

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.

97.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.09
Promoting Interoperability100
Improvement Activities40

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.

PAUL J BLOCK MD
Internal Medicine (Cardiovascular Disease)
100 HOSPITAL RD, STE 3A
LEOMINSTER, MA 01453
Worcester County (978) 537-9305
POLIANA LARISSA LIN APRN
Nurse Practitioner
100 HOSPITAL RD
LEOMINSTER, MA 01453
Worcester County (978) 466-4212
PAUL JAMES MCCABE MD
Internal Medicine (Cardiovascular Disease)
100 HOSPITAL RD
LEOMINSTER, MA 01453
Worcester County (978) 466-2052
LYNNE MONFREDA N.P.
Nurse Practitioner (Pediatrics)
100 HOSPITAL RD, SUITE 4
LEOMINSTER, MA 01453
Worcester County (978) 514-6300
KYLE PATRICK LAVERY M.D.
Orthopaedic Surgery
100 HOSPITAL RD
LEOMINSTER, MA 01453
Worcester County (978) 466-4220
DR. JONATHAN HARRIS ROBBINS M.D.
Internal Medicine (Cardiovascular Disease)
100 HOSPITAL RD, SUITE 3B
LEOMINSTER, MA 01453
Worcester County (978) 534-3179
COORDINATED PRIMARY CARE, INC
Internal Medicine (Infectious Disease)
100 HOSPITAL RD, SUITE 1C
LEOMINSTER, MA 01453
Worcester County (978) 466-4212
R. LESLIE SHELTON, M.D., P.C.
Surgery
100 HOSPITAL RD, SUITE 2B
LEOMINSTER, MA 01453
Worcester County (978) 840-6481

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 Nathaniel Merrell's NPI number?

The NPI number for Nathaniel Merrell is 1922162262. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Where is Nathaniel Merrell located?

Nathaniel Merrell practices at 100 Hospital Rd Suite 2B, Leominster, MA 01453. The listed phone number is (978) 840-6481.

What is Nathaniel Merrell's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Nathaniel Merrell enrolled in Medicare?

Yes. Nathaniel Merrell 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 Nathaniel Merrell accept?

Health plans from Anthem Blue Cross and Blue Shield list Nathaniel Merrell 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 Nathaniel Merrell affiliated with any hospitals?

According to CMS data, Nathaniel Merrell is affiliated with Umass Memorial Healthalliance Hospitals and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Nathaniel Merrell was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.