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DR. JOHN B MCCAHAN M.D.
NPI 1225012354
Pediatrics in Westborough, MA

Active since December 01, 2005PECOS EnrolledAccepts Medicare Assignment
33 E MAIN ST, WESTBOROUGH, MA 01581(508) 836-4884(508) 836-3351 Get Directions Write a Review

NPPES record last updated: March 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 12, 2025, Oct 30, 2020 (2 updates tracked since 2020).

About Dr. John B Mccahan M.d. NPPES

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

DR. JOHN B MCCAHAN M.D. (NPI 1225012354) is an individual pediatrics provider in Westborough, Massachusetts, licensed in Massachusetts (151640) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthcare-marlborough Hospital, and is a graduate of University Of Massachusetts Medical School (1993).

NPPES Registry Identity

NPI1225012354
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. JOHN B MCCAHANCredential: M.D.
Location Address33 E MAIN STWestborough, MA 01581-1410
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 836-4884
Fax(508) 836-3351
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 1993
Enumeration DateDecember 1, 2005
Last NPPES UpdateMarch 12, 20252 updates tracked since enumeration
NPPES CertifiedMarch 12, 2025
✔ NPI 1225012354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 151640
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedInternal MedicineTaxonomy 207R00000X · License 151640 (MA)
33 E MAIN ST, Westborough, MA 01581
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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John B Mccahan 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 ID3476659467
PECOS Enrollment IDI20070508000601
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 John Mccahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Umass Memorial Medical Group Inc
7.6 mi
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000

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.
80 services55 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.
67 services67 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.
65 services53 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.
35 services25 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.
24 services21 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
16 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220049
Location157 Union StreetMarlborough, MA 01752 · Middlesex County
Emergency services

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220090
Location14 Prospect StreetMilford, MA 01757 · Worcester County
Emergency services Birthing friendly

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 01581 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
$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 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$13.64 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$62.19 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 4

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

DR. BENNETT EDWARDS VOGT MD
Student in an Organized Health Care Education/Training Program
33 E MAIN ST
WESTBOROUGH, MA 01581
Worcester County (508) 836-4884
SUSAN P FINE MD
Internal Medicine
33 E MAIN ST
WESTBOROUGH, MA 01581
Worcester County (508) 836-4884
SUZANNE T SPRAGUE M.D.
Internal Medicine
33 E MAIN ST
WESTBOROUGH, MA 01581
Worcester County (508) 839-4884
DR. DAVID R REMIS M.D.
Pediatrics
33 E MAIN ST
WESTBOROUGH, MA 01581
Worcester County (508) 836-4884

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 John Mccahan's NPI number?

The NPI number for John Mccahan is 1225012354. It was assigned to this individual provider in the NPPES registry on December 1, 2005.

Where is John Mccahan located?

John Mccahan practices at 33 E Main St, Westborough, MA 01581. The listed phone number is (508) 836-4884.

What is John Mccahan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is John Mccahan enrolled in Medicare?

Yes. John Mccahan 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 John Mccahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Mccahan reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). 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 John Mccahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Mccahan accept?

Health plans from Anthem Blue Cross and Blue Shield list John Mccahan 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 John Mccahan affiliated with any hospitals?

According to CMS data, John Mccahan is affiliated with Umass Memorial Healthcare-Marlborough Hospital, Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for John Mccahan was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.