Dr. John Stephen Perhac II, MD
- Medicare services, 2023
- 11
- Medicare patients, 2024
- 14
- MIPS score, 2024
- 90
- Hospital affiliations
- 1
- Industry payments
- $159
- Practice address
- 509 Biltmore Ave, Asheville, NC 28801
- Practice phone
- Call (828) 213-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Perhac's professional email, personal email and mobile number
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Dr. John Stephen Perhac II is an anesthesiologist in Asheville, North Carolina
Dr. Perhac practices at Mission Hospital in Asheville, North Carolina, part of HCA Healthcare.
Dr. Perhac's NPI, 1245406388, was assigned on May 7, 2008. Dr. Perhac graduated from University of North Carolina at Chapel Hill School of Medicine in 2008. Dr. Perhac holds North Carolina license 2015-01854.
- NPI
- 1245406388NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618118787
- NPI enumeration date
- May 7, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (828) 213-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Stephen Perhac II practices at Mission Hospital in Asheville, North Carolina
Dr. Perhac's primary practice is Mission Hospital, at 509 Biltmore Ave, Asheville, NC 28801 in Buncombe County. The practice phone is (828) 213-1111.
- Mission Hospital509 Biltmore Ave, Asheville, NC 28801 · Buncombe CountyPhone(828) 213-1111
Source: Dmand AI Affiliation Data
Dr. John Stephen Perhac II is affiliated with 3 sites of care and 2 medical groups
Dr. Perhac's primary practice is Mission Hospital in Asheville, North Carolina, part of HCA Healthcare. The medical group on file is Mission Health Community Multispecialty Providers. Dmand AI also links Dr. Perhac to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Stephen Perhac II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perhac practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mission Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Stephen Perhac II is one of 1,269 anesthesiologists in North Carolina
Anesthesiology is Dr. Perhac's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Perhac's licenses on file in 2 states: North Carolina and Washington.
Specialties and state licenses
- Anesthesiology, North CarolinaPrimary
- Washington license
Anesthesiologists near Dr. Perhac
Counts of anesthesiologists 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
Dr. John Stephen Perhac II billed Medicare for 11 services in 2023
CMS data shows 11 Medicare services from Dr. Perhac across 1 procedure code in 2023, for 14 Medicare patients. Medicare paid $514 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Perhac's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 122023: 118%
- Imaging
- 2022: 272023: 0100%
Dr. Perhac compared with the North Carolina median for anesthesiologists, 2023
- Dr. Perhac
- North Carolina median
- Medicare services
- 11vs 11390% below
- Medicare patients
- 14vs 19793% below
Medians across 1,251 anesthesiologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Perhac's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Perhac?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Perhac and other anesthesiologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Stephen Perhac II treated 14 Medicare patients in 2024, average age 71
CMS counts 14 Medicare patients who saw Dr. Perhac in 2024. 75% of them have high cholesterol. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Perhac's median patient age at 68, with 57% women.
Chronic conditions among Dr. Perhac's Medicare patients, 2024
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perhac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Stephen Perhac II scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Perhac for performance year 2024, reported through an alternative payment model (APM). Dr. Perhac accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Perhac's MIPS scores, performance year 2024
- 90of 100Final score
- 77.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Stephen Perhac II received $159 in industry payments from 2021 to 2024
CMS Open Payments shows 2 general payments to Dr. Perhac from 2 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Halyard Health, Inc. paid the most, $137.
General payments to Dr. Perhac by program year, 2021 to 2024
Companies that paid Dr. Perhac the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Stephen Perhac II graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Perhac graduated from University of North Carolina at Chapel Hill School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Stephen Perhac II'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Dr. John Stephen Perhac II
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Stephen Perhac II's NPI number?
Dr. John Stephen Perhac II's NPI number is 1245406388. It was assigned on May 7, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. John Stephen Perhac II?
Dr. John Stephen Perhac II is an anesthesiologist in Asheville, North Carolina. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Stephen Perhac II practice?
Dr. Perhac practices at 509 Biltmore Ave, Asheville, NC 28801. Dr. Perhac's primary practice is Mission Hospital in Asheville, North Carolina, part of HCA Healthcare. Dmand AI also links Dr. Perhac to 2 group practices and clinics and 1 medical group.
What is Dr. John Stephen Perhac II's office phone number?
The practice phone on file for Dr. Perhac is (828) 213-1111.
What is Dr. John Stephen Perhac II's medical license number?
Dr. Perhac holds North Carolina license 2015-01854, one of the licenses on file in 2 states.
Which states has Dr. John Stephen Perhac II been licensed in?
Dmand AI has state licenses on file for Dr. Perhac in North Carolina and Washington.
Which hospitals is Dr. John Stephen Perhac II affiliated with?
Dr. Perhac practices at Mission Hospital in Asheville, North Carolina.
What medical group is Dr. John Stephen Perhac II part of?
Dr. Perhac is linked to Mission Health Community Multispecialty Providers. Dmand AI links Dr. Perhac to 1 more medical group.
Does Dr. John Stephen Perhac II accept Medicare?
Yes. CMS data shows Dr. Perhac billed Medicare for 11 services in 2023, and Dr. Perhac accepts Medicare assignment.
What is Dr. John Stephen Perhac II's MIPS score?
Dr. Perhac's MIPS final score for performance year 2024 is 90 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. John Stephen Perhac II see?
CMS counts 14 Medicare patients who saw Dr. Perhac in 2024, with an average age of 71.
What services does Dr. John Stephen Perhac II bill to Medicare?
In 2023, Dr. Perhac's most billed Medicare services were surgery: brain, spine and nerves (64447).
Where did Dr. John Stephen Perhac II go to medical school?
Dr. Perhac graduated from University of North Carolina at Chapel Hill School of Medicine in 2008.
Has Dr. John Stephen Perhac II received payments from drug or device companies?
CMS Open Payments shows $159 in general payments to Dr. Perhac from 2 companies from 2021 to 2024. The largest total came from Halyard Health, Inc.
How long has Dr. John Stephen Perhac II been practicing?
Dr. Perhac graduated from medical school in 2008, 18 years ago.
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