Mass Lung & Allergy

  • Single-specialty group
  • Leominster, MA
  • Core specialty: Primary care
NPI1679734545PAC ID5698830347Dmand IDNG-MGR-065341
Total HCPs
30
Physicians (MD/DO)
18
Nurses and PAs
11
Executives
29
Practice locations
9
Main site
100 Hospital Rd, Leominster, MA 01453-2253
Main phone
(978) 466-2692
Specialty areas
4, led by primary care
Website and social

Parent organization

Mass Lung & Allergy

Independent practice · Leominster, Massachusetts

Find the right contacts among 29 executives and 30 HCPs

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Mass Lung & Allergy is a single-specialty medical group with 9 practice locations in Massachusetts

Mass Lung & Allergy is based in Leominster, Massachusetts, part of Mass Lung & Allergy.

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; and Dmand AI Affiliation Data

Jim Mahan is chief operating officer of Mass Lung & Allergy

Dmand AI tracks 29 executives and staff leaders at Mass Lung & Allergy. Waterfall enrichment finds their professional emails, personal emails and mobile numbers.

Source: Dmand AI Executive Data

Mass Lung & Allergy's NPI is 1679734545 and its PAC ID is 5698830347

Identifiers
Primary NPI (Type 2)
1679734545NPI Registry (opens in a new tab)
Medicare PAC ID
5698830347
Dmand ID
NG-MGR-065341
Medicare enrollment
Enrolled (PAC ID on file)
Contact
Main site address
100 Hospital Rd, Leominster, MA 01453-2253
Main phone
(978) 466-2692
Executive emails and mobiles
Get contacts
Classification
Group type
Single-specialty
Core specialty
Primary care
Specialty areas
4
Site structure
Multi-site
Ownership model
Clinician owned
Leadership
Physician-led
Medicare Part B payments
$2.8M
Legal name
Mass Lung & Allergy PC

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

Mass Lung & Allergy is part of Mass Lung & Allergy

Dmand AI places Mass Lung & Allergy under Mass Lung & Allergy, an independent practice.

  • Mass Lung & AllergyIndependent practice
  • Mass Lung & AllergySingle-specialty medical group · Leominster, MA
  • 2 other medical groups

2 other medical groups are part of Mass Lung & Allergy

Source: Dmand AI Org Hierarchy Data

Org hierarchy

Map Mass Lung & Allergy's entire network

See how Mass Lung & Allergy connects to Mass Lung & Allergy: its parent organizations, sister groups and every site of care in between, with the HCPs and leaders at each one.

Mass Lung & Allergy has 18 physicians among 30 HCPs

Physicians (MD, DO)18
Nurses9
Physician assistants2
Other clinicians1

Mass Lung & Allergy physicians by specialty

  1. Pulmonary disease12
  2. Critical care medicine (internal medicine)2
  3. Psychiatry2
  4. Family medicine1
  5. Sleep medicine (internal medicine)1

Share of the group's 18 physicians.

Mass Lung & Allergy physicians

View all 30 HCPs

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Mass Lung & Allergy has 9 practice locations in Massachusetts

Full footprint

See every site where Mass Lung & Allergy HCPs practice

Open all 9 practice locations and 7 hospitals with facility phones, patient visits and the HCPs at each site.

Mass Lung & Allergy covers 4 specialty areas, led by primary care

Primary care is Mass Lung & Allergy's core specialty, and its HCPs practice 5 subspecialties in all.

  • Primary careCore
  • Behavioral and mental health
  • Chiropractic
  • Emergency and hospital medicine

Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Dmand AI tracks 1 EHR vendor at Mass Lung & Allergy

Vendor and product names for each practice location are available with a free account.

EHR systems at Mass Lung & Allergy
SiteEHR vendorProduct
Main siteAvailable with a free accountAvailable with a free account
8 other practice locationsAvailable with a free accountAvailable with a free account

Source: Dmand AI Technology Install Data

Primary care groups in Massachusetts similar in size to Mass Lung & Allergy

These primary care groups have the closest number of HCPs to Mass Lung & Allergy.

See all 677 primary care groups in Massachusetts

Sources: Dmand AI Affiliation Data; and Dmand AI Peer Benchmarks

Sources for Mass Lung & Allergy data

Sources for the data on this page
Data on this pageSource
NPI, PAC ID and addressNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Dmand ID, phone, website, LinkedIn and group profileDmand AI Org Hierarchy DataDmand AI Organization Profile Data
Medicare Part B paymentsMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
Parent organizations and sister groupsDmand AI Org Hierarchy Data
HCPs and physician specialtiesNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Specialty areasDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Practice locations and hospitalsDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Executives and departmentsDmand AI Executive Data
EHR vendorsDmand AI Technology Install Data
Similar groupsDmand AI Affiliation DataDmand AI Peer Benchmarks

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mass Lung & Allergy

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mass Lung & Allergy's NPI number?

Mass Lung & Allergy's primary NPI (Type 2) is 1679734545.

What is Mass Lung & Allergy's PAC ID?

Mass Lung & Allergy's Medicare PAC ID is 5698830347, which means the group is enrolled in Medicare.

How many locations does Mass Lung & Allergy have?

Dmand AI links Mass Lung & Allergy to 9 practice locations in Massachusetts. Its main site is at 100 Hospital Rd, Leominster, MA 01453-2253.

What is Mass Lung & Allergy's phone number?

Mass Lung & Allergy's main phone number is (978) 466-2692.

Who owns Mass Lung & Allergy?

Dmand AI places Mass Lung & Allergy under Mass Lung & Allergy, an independent practice.

How many physicians does Mass Lung & Allergy have?

Dmand AI links 18 physicians and 30 HCPs in all to Mass Lung & Allergy.

What specialties does Mass Lung & Allergy cover?

Mass Lung & Allergy covers 4 specialty areas, led by primary care. The largest physician specialties are pulmonary disease (12), critical care medicine (internal medicine) (2) and psychiatry (2).

What hospitals do Mass Lung & Allergy HCPs practice at?

Mass Lung & Allergy HCPs practice at 7 hospitals with 5 or more of the group's HCPs, led by UMass Memorial Health, HealthAlliance-Clinton Hospital and UMass Memorial Medical Center - University Campus.

Who leads Mass Lung & Allergy?

Leaders at Mass Lung & Allergy include Jim Mahan (Chief Operating Officer).

How much does Mass Lung & Allergy receive from Medicare?

CMS data shows $2.8 million in Medicare Part B payments to Mass Lung & Allergy.

What other medical groups are part of Mass Lung & Allergy?

Mass Lung & Allergy has 2 other medical groups in Dmand AI, including Central Mass Pulmonary and Mass Lung & Critical Care.

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