John A. Sandefur
- Medicare patients, 2024
- 11
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find John Sandefur'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.
John A. Sandefur is a nurse practitioner in Ann Arbor, Michigan
John Sandefur practices at University Hospital in Ann Arbor, Michigan.
John Sandefur's NPI, 1184020224, was assigned on November 18, 2014. John Sandefur holds Michigan license 4704253952.
- NPI
- 1184020224NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193030989
- NPI enumeration date
- November 18, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John A. Sandefur practices at University Hospital in Ann Arbor, Michigan
John Sandefur's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
John A. Sandefur is affiliated with 2 sites of care and 1 medical group
John Sandefur's primary practice is University Hospital in Ann Arbor, Michigan. John Sandefur is also affiliated with University Hospital. The medical group on file is University of Michigan Health. John Sandefur's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John A. Sandefur's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Sandefur practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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John A. Sandefur is one of 2,742 nurse practitioners in Michigan
Nurse practitioner is John Sandefur's primary specialty in the NPI Registry, under taxonomy code 363L00000X. John Sandefur is licensed in Michigan.
Specialties and state licenses
- Nurse practitioner, MichiganPrimary
Nurse practitioners near John Sandefur
Counts of 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
John A. Sandefur treated 11 Medicare patients in 2024, average age 63
CMS counts 11 Medicare patients who saw John Sandefur in 2024. Their average risk score is 5.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Sandefur's median patient age at 66, with 33% women.
John Sandefur's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women33%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John A. Sandefur takes part in Medicare
John Sandefur 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 John A. Sandefur'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 DataDmand AI Org Hierarchy 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 John A. Sandefur
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John A. Sandefur's NPI number?
John A. Sandefur's NPI number is 1184020224. It was assigned on November 18, 2014, and it is active in the NPI Registry.
What does John A. Sandefur specialize in?
John A. Sandefur is a nurse practitioner in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does John A. Sandefur practice?
John Sandefur practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. John Sandefur's primary practice is University Hospital in Ann Arbor, Michigan.
What is John A. Sandefur's office phone number?
The practice phone on file for John Sandefur is (734) 936-4000.
What is John A. Sandefur's medical license number?
John Sandefur holds Michigan license 4704253952, one of 2 state licenses on file.
Which hospitals is John A. Sandefur affiliated with?
John Sandefur is affiliated with University Hospital.
What medical group is John A. Sandefur part of?
John Sandefur is linked to University of Michigan Health.
Does John A. Sandefur accept Medicare?
Yes. CMS lists John Sandefur as accepting Medicare assignment.
How many Medicare patients does John A. Sandefur see?
CMS counts 11 Medicare patients who saw John Sandefur in 2024, with an average age of 63.
How long has John A. Sandefur been practicing?
John Sandefur graduated from medical school in 2014, 12 years ago.
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