Diane Mahin
- Industry payments
- $17
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2021
- Practice address
- 15200 New Hampshire Ave Mcc Medical Clinic, Silver Spring, MD 20905-5631
- Practice phone
- Call (301) 384-2166
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mcc Medical Clinic
Primary care practice · Silver Spring, Maryland
Find Diane Mahin'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.
Diane Mahin is a family nurse practitioner in Silver Spring, Maryland
Diane Mahin practices at Mcc Medical Clinic in Silver Spring, Maryland.
Diane Mahin's NPI, 1265017651, was assigned on March 17, 2021. Diane Mahin holds Maryland license R258589.
- NPI
- 1265017651NPI Registry (opens in a new tab)
- NPI enumeration date
- March 17, 2021
- NPI status
- Active
- Practice phone
- (301) 384-2166
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Diane Mahin practices at Mcc Medical Clinic in Silver Spring, Maryland
Diane Mahin's primary practice is Mcc Medical Clinic, at 15200 New Hampshire Ave Mcc Medical Clinic, Silver Spring, MD 20905-5631. The practice phone is (301) 384-2166.
- Mcc Medical Clinic15200 New Hampshire Ave Mcc Medical Clinic, Silver Spring, MD 20905-5631Phone(301) 384-2166
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Diane Mahin is affiliated with 1 site of care and 1 medical group
Diane Mahin's primary practice is Mcc Medical Clinic in Silver Spring, Maryland. The medical group on file is MCC Medical Center.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Diane Mahin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diane Mahin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mcc Medical Clinic | Available with a free account |
Source: Dmand AI Technology Install Data
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Diane Mahin is one of 3,917 family nurse practitioners in Maryland
Family is Diane Mahin's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Diane Mahin's licenses on file in 2 states: Maryland and Massachusetts.
Specialties and state licenses
- Family nurse practitioner, MarylandPrimary
- Massachusetts license
Family nurse practitioners near Diane Mahin
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
Diane Mahin's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Diane Mahin's median patient age at 61, with 67% women.
Diane Mahin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Diane Mahin received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Diane Mahin from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $17.
Companies that paid Diane Mahin 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 Diane Mahin'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) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Diane Mahin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diane Mahin's NPI number?
Diane Mahin's NPI number is 1265017651. It was assigned on March 17, 2021, and it is active in the NPI Registry.
What does Diane Mahin specialize in?
Diane Mahin is a family nurse practitioner in Silver Spring, Maryland. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Diane Mahin practice?
Diane Mahin practices at 15200 New Hampshire Ave Mcc Medical Clinic, Silver Spring, MD 20905-5631. Diane Mahin's primary practice is Mcc Medical Clinic in Silver Spring, Maryland.
What is Diane Mahin's office phone number?
The practice phone on file for Diane Mahin is (301) 384-2166.
What is Diane Mahin's medical license number?
Diane Mahin holds Maryland license R258589, one of the licenses on file in 2 states.
Which states has Diane Mahin been licensed in?
Dmand AI has state licenses on file for Diane Mahin in Maryland and Massachusetts.
What medical group is Diane Mahin part of?
Diane Mahin is linked to MCC Medical Center.
Has Diane Mahin received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Diane Mahin from 1 company from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Diane Mahin been practicing?
Diane Mahin graduated from medical school in 2024, 2 years ago.
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