Stephen Nunenmacher
- Medicare services, 2024
- 229
- Medicare patients, 2024
- 78
- Part D claims, 2024
- 15,460
- Hospital affiliations
- 2
- Industry payments
- $28
- Practice address
- 400 Veterans Avenue, Biloxi, MS 39531
- Practice phone
- Call (228) 523-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Stephen Nunenmacher'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.
Stephen Nunenmacher is an emergency medicine physician in Biloxi, Mississippi
Stephen Nunenmacher practices at Biloxi VA Medical Center in Biloxi, Mississippi, part of Veterans Health Administration.
Stephen Nunenmacher's NPI, 1487705042, was assigned on January 12, 2007. Stephen Nunenmacher graduated from University of Mississippi School of Medicine in 1989. Stephen Nunenmacher holds Mississippi license MS12528.
- NPI
- 1487705042NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022140334
- NPI enumeration date
- January 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (228) 523-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephen Nunenmacher practices at Biloxi VA Medical Center in Biloxi, Mississippi
Stephen Nunenmacher's primary practice is Biloxi VA Medical Center, at 400 Veterans Avenue, Biloxi, MS 39531 in Harrison County. The practice phone is (228) 523-5000.
- Biloxi VA Medical Center400 Veterans Avenue, Biloxi, MS 39531 · Harrison CountyPhone(228) 523-5000
Source: Dmand AI Affiliation Data
Stephen Nunenmacher is affiliated with 4 sites of care and 3 medical groups
Stephen Nunenmacher's primary practice is Biloxi VA Medical Center in Biloxi, Mississippi, part of Veterans Health Administration. Stephen Nunenmacher is also affiliated with Pascagoula Hospital. The medical group on file is Singing River Health System. Dmand AI also links Stephen Nunenmacher to 2 more medical groups, 1 physician office and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephen Nunenmacher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Nunenmacher practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Biloxi VA Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephen Nunenmacher is one of 400 emergency medicine physicians in Mississippi
Emergency medicine is Stephen Nunenmacher's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Stephen Nunenmacher is licensed in Mississippi.
Specialties and state licenses
- Emergency medicine, MississippiPrimary
Emergency medicine physicians near Stephen Nunenmacher
Counts of emergency medicine physicians 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
Stephen Nunenmacher billed Medicare for 229 services in 2024
CMS data shows 229 Medicare services from Stephen Nunenmacher across 2 procedure codes in 2024, for 78 Medicare patients. Medicare paid $12,065 for them.
Stephen Nunenmacher's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2552024: 22910%
Where Stephen Nunenmacher's Medicare services took place, 2024
- In an office21895%
- In a facility115%
Stephen Nunenmacher compared with the Mississippi median for emergency medicine physicians, 2024
- Stephen Nunenmacher
- Mississippi median
- Medicare services
- 229vs 39242% below
- Medicare patients
- 78vs 36479% below
- Part D claims
- 15,096vs 112134.8 times
Medians across 383 emergency medicine physicians in Mississippi with Dmand AI profiles that report each measure.
Stephen Nunenmacher's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Stephen Nunenmacher treated 78 Medicare patients in 2024, average age 82
CMS counts 78 Medicare patients who saw Stephen Nunenmacher in 2024. The largest group is 85 and over, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 59% are also on Medicaid. Their average risk score is 1.96, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Stephen Nunenmacher's median patient age at 81, with 60% women.
Stephen Nunenmacher's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Stephen Nunenmacher's Medicare patients by sex, 2024
- Women5571%
- Men2329%
Chronic conditions among Stephen Nunenmacher's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders69%
- Depression65%
- Arthritis60%
- Alzheimer's and dementia55%
- Chronic kidney disease47%
- Heart failure47%
Share of Medicare patients with each condition. A patient can have several.
Stephen Nunenmacher'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
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephen Nunenmacher wrote 15,460 Medicare Part D claims in 2024
In 2024, Stephen Nunenmacher wrote 15,460 Medicare Part D claims for 65 patients. 90% of them were for generic drugs. CMS names the drug for 15,096 of them, across 127 drugs with 11 or more claims each, at $340,416 in total drug cost. In 2023, CMS named 19,111 claims across 148 drugs.
Stephen Nunenmacher's Part D claims by kind of drug, 2024
- Generic13,860 claims90%
- Brand-name and other1,600 claims10%
Stephen Nunenmacher's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Stephen Nunenmacher's Part D claims, 2024
- Antibiotics1%112 of 15,460 claims
- Antipsychotics, patients 65 and over2%238 of 15,460 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 19,1112024: 15,09621%
Drugs named by CMS: 127 in 2024, 148 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Stephen Nunenmacher takes part in Medicare
Stephen Nunenmacher 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)
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Stephen Nunenmacher received $28 in industry payments from 2020 to 2021
CMS Open Payments shows 2 general payments to Stephen Nunenmacher from 2 drug and device companies from 2020 to 2021. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $15.
General payments to Stephen Nunenmacher by program year, 2020 to 2021
Companies that paid Stephen Nunenmacher the most, 2020 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Stephen Nunenmacher graduated from University of Mississippi School of Medicine
Stephen Nunenmacher graduated from University of Mississippi School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Stephen Nunenmacher'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Stephen Nunenmacher
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen Nunenmacher's NPI number?
Stephen Nunenmacher's NPI number is 1487705042. It was assigned on January 12, 2007, and it is active in the NPI Registry.
What does Stephen Nunenmacher specialize in?
Stephen Nunenmacher is an emergency medicine physician in Biloxi, Mississippi. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Stephen Nunenmacher practice?
Stephen Nunenmacher practices at 400 Veterans Avenue, Biloxi, MS 39531. Stephen Nunenmacher's primary practice is Biloxi VA Medical Center in Biloxi, Mississippi, part of Veterans Health Administration. Dmand AI also links Stephen Nunenmacher to 2 medical groups, 1 physician office and 1 skilled nursing facility.
What is Stephen Nunenmacher's office phone number?
The practice phone on file for Stephen Nunenmacher is (228) 523-5000.
What is Stephen Nunenmacher's medical license number?
Stephen Nunenmacher holds Mississippi license MS12528.
Which hospitals is Stephen Nunenmacher affiliated with?
Stephen Nunenmacher practices at Biloxi VA Medical Center in Biloxi, Mississippi. Stephen Nunenmacher is also affiliated with Pascagoula Hospital.
What medical group is Stephen Nunenmacher part of?
Stephen Nunenmacher is linked to Singing River Health System. Dmand AI links Stephen Nunenmacher to 2 more medical groups.
Does Stephen Nunenmacher accept Medicare?
Yes. CMS data shows Stephen Nunenmacher billed Medicare for 229 services in 2024, and Stephen Nunenmacher accepts Medicare assignment.
How many Medicare patients does Stephen Nunenmacher see?
CMS counts 78 Medicare patients who saw Stephen Nunenmacher in 2024, with an average age of 82.
What services does Stephen Nunenmacher bill to Medicare?
In 2024, Stephen Nunenmacher's most billed Medicare services were nursing facility care (99308) and nursing facility care (99304).
Show 4 more questionsShow fewer questions
Where did Stephen Nunenmacher go to medical school?
Stephen Nunenmacher graduated from University of Mississippi School of Medicine in 1989.
What drugs does Stephen Nunenmacher prescribe most?
In 2024 Medicare Part D data, Stephen Nunenmacher's most prescribed drugs by claims were Levothyroxine Sodium, Potassium Chloride and Furosemide.
Has Stephen Nunenmacher received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Stephen Nunenmacher from 2 companies from 2020 to 2021. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Stephen Nunenmacher been practicing?
Stephen Nunenmacher graduated from medical school in 1989, 37 years ago.
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