Mary M. Callahan, ARNP
- Medicare patients, 2024
- 208
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 601 E Altamonte Dr, Altamonte Springs, FL 32701
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventhealth Altamonte Springs - HOPD
Acute Care Hospital outpatient department · Altamonte Springs, Florida
Find Mary 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.
Mary M. Callahan is a family nurse practitioner in Altamonte Springs, Florida
Mary Callahan practices at Adventhealth Altamonte Springs - HOPD in Altamonte Springs, Florida.
Mary Callahan's NPI, 1831151638, was assigned on April 5, 2006. Mary Callahan holds Florida license 3060172.
- NPI
- 1831151638NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496718025
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary M. Callahan practices at Adventhealth Altamonte Springs - HOPD in Altamonte Springs, Florida
Mary Callahan's primary practice is Adventhealth Altamonte Springs - HOPD, at 601 E Altamonte Dr, Altamonte Springs, FL 32701.
- Adventhealth Altamonte Springs - HOPD601 E Altamonte Dr, Altamonte Springs, FL 32701
Source: Dmand AI Affiliation Data
Mary M. Callahan is affiliated with 3 sites of care and 1 medical group
Mary Callahan's primary practice is Adventhealth Altamonte Springs - HOPD in Altamonte Springs, Florida. Mary Callahan is also affiliated with AdventHealth Orlando. The medical group on file is AdventHealth Medical Group. Dmand AI also links Mary Callahan to 1 more group practice or clinic, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mary M. Callahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Callahan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventhealth Altamonte Springs - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary M. Callahan is one of 14,175 family nurse practitioners in Florida
Family is Mary Callahan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mary Callahan is licensed in Florida.
Specialties and state licenses
- Family nurse practitioner, FloridaPrimary
Family nurse practitioners near Mary 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
Mary M. Callahan treated 208 Medicare patients in 2024, average age 82
CMS counts 208 Medicare patients who saw Mary Callahan in 2024. The largest group is 85 and over, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 3.32, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Callahan's median patient age at 81, with 64% women.
Mary Callahan's Medicare patients by age, 2024
Mary Callahan's Medicare patients by sex, 2024
- Women13063%
- Men7838%
Chronic conditions among Mary Callahan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure67%
- Ischemic heart disease63%
- Chronic kidney disease61%
- Arthritis59%
- Atrial fibrillation55%
- Diabetes55%
Share of Medicare patients with each condition. A patient can have several.
Mary Callahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Mary M. Callahan takes part in Medicare
Mary 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)
Sources for Mary M. 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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (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) |
| 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 Mary M. 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 Mary M. Callahan's NPI number?
Mary M. Callahan's NPI number is 1831151638. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What does Mary M. Callahan specialize in?
Mary M. Callahan is a family nurse practitioner in Altamonte Springs, Florida. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Mary M. Callahan practice?
Mary Callahan practices at 601 E Altamonte Dr, Altamonte Springs, FL 32701. Mary Callahan's primary practice is Adventhealth Altamonte Springs - HOPD in Altamonte Springs, Florida. Dmand AI also links Mary Callahan to 1 group practice or clinic.
What is Mary M. Callahan's medical license number?
Mary Callahan holds Florida license 3060172.
Which hospitals is Mary M. Callahan affiliated with?
Mary Callahan is affiliated with AdventHealth Orlando.
What medical group is Mary M. Callahan part of?
Mary Callahan is linked to AdventHealth Medical Group.
Does Mary M. Callahan accept Medicare?
Yes. CMS lists Mary Callahan as accepting Medicare assignment.
How many Medicare patients does Mary M. Callahan see?
CMS counts 208 Medicare patients who saw Mary Callahan in 2024, with an average age of 82.
How long has Mary M. Callahan been practicing?
Mary Callahan graduated from medical school in 2004, 22 years ago.
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