Maureen L. Callahan, NP
- Hospital affiliations
- 1
- Industry payments
- $99
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 325 B King St, Northampton, MA 01060-2370
- Practice phone
- Call (413) 387-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baystate Medical Practices - Northampton (B King St)
NP / PA-led clinic · Northampton, Massachusetts
Find Maureen Callahan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Maureen L. Callahan is a family nurse practitioner in Northampton, Massachusetts
Maureen Callahan practices at Baystate Medical Practices - Northampton (B King St) in Northampton, Massachusetts.
Maureen Callahan's NPI, 1497633036, was assigned on August 22, 2025. Maureen Callahan holds Massachusetts license RN2266823.
- NPI
- 1497633036NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638644909
- NPI enumeration date
- August 22, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 387-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maureen L. Callahan practices at Baystate Medical Practices - Northampton (B King St) in Northampton, Massachusetts
Maureen Callahan's primary practice is Baystate Medical Practices - Northampton (B King St), at 325 B King St, Northampton, MA 01060-2370. The practice phone is (413) 387-4100.
- Baystate Medical Practices - Northampton (B King St)325 B King St, Northampton, MA 01060-2370Phone(413) 387-4100
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maureen L. Callahan is affiliated with 2 sites of care and 1 medical group
Maureen Callahan's primary practice is Baystate Medical Practices - Northampton (B King St) in Northampton, Massachusetts. Maureen Callahan is also affiliated with Baystate Medical Center. The medical group on file is Baystate Medical Practices.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Maureen L. Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maureen Callahan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Medical Practices - Northampton (B King St) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Maureen L. Callahan is one of 3,644 family nurse practitioners in Massachusetts
Family is Maureen Callahan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Maureen Callahan is licensed in Massachusetts.
Specialties and state licenses
- Family nurse practitioner, MassachusettsPrimary
Family nurse practitioners near Maureen Callahan
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
How Maureen L. Callahan takes part in Medicare
Maureen Callahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Maureen L. Callahan received $99 in industry payments in 2025
CMS Open Payments shows 1 general payment to Maureen Callahan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $99.
Companies that paid Maureen Callahan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Maureen L. Callahan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Maureen L. Callahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maureen L. Callahan's NPI number?
Maureen L. Callahan's NPI number is 1497633036. It was assigned on August 22, 2025, and it is active in the NPI Registry.
What does Maureen L. Callahan specialize in?
Maureen L. Callahan is a family nurse practitioner in Northampton, Massachusetts. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Maureen L. Callahan practice?
Maureen Callahan practices at 325 B King St, Northampton, MA 01060-2370. Maureen Callahan's primary practice is Baystate Medical Practices - Northampton (B King St) in Northampton, Massachusetts.
What is Maureen L. Callahan's office phone number?
The practice phone on file for Maureen Callahan is (413) 387-4100.
What is Maureen L. Callahan's medical license number?
Maureen Callahan holds Massachusetts license RN2266823.
Which hospitals is Maureen L. Callahan affiliated with?
Maureen Callahan is affiliated with Baystate Medical Center.
What medical group is Maureen L. Callahan part of?
Maureen Callahan is linked to Baystate Medical Practices.
Does Maureen L. Callahan accept Medicare?
Yes. CMS lists Maureen Callahan as accepting Medicare assignment.
Has Maureen L. Callahan received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to Maureen Callahan from 1 company from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Maureen L. Callahan been practicing?
Maureen Callahan's NPI was assigned in 2025.
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