Dr. Zachary Mathias Napier, MD
- Medicare services, 2024
- 642
- Medicare patients, 2024
- 176
- Part D claims, 2024
- 89
- Publications
- 5
- Hospital affiliations
- 5
- Practice address
- 13225 N Meridian Street, Carmel, IN 46032
- Practice phone
- Call (317) 574-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Meridian Surgery Center - Carmel
Surgery Center - Medicare-Certified · Carmel, Indiana
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Dr. Zachary Mathias Napier is an orthopedic surgeon in Carmel, Indiana
Dr. Napier practices at North Meridian Surgery Center - Carmel in Carmel, Indiana.
Dr. Napier's NPI, 1891145843, was assigned on June 20, 2016. Dr. Napier graduated from George Washington University School of Medicine in 2014. Dr. Napier holds Indiana license 01090729A.
- NPI
- 1891145843NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092008037
- NPI enumeration date
- June 20, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (317) 574-5400
- 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)
Dr. Zachary Mathias Napier practices at North Meridian Surgery Center - Carmel in Carmel, Indiana
Dr. Napier's primary practice is North Meridian Surgery Center - Carmel, at 13225 N Meridian Street, Carmel, IN 46032. The practice phone is (317) 574-5400.
- North Meridian Surgery Center - Carmel13225 N Meridian Street, Carmel, IN 46032Phone(317) 574-5400
Source: Dmand AI Affiliation Data
Dr. Zachary Mathias Napier is affiliated with 6 sites of care and 1 medical group
Dr. Napier's primary practice is North Meridian Surgery Center - Carmel in Carmel, Indiana. Dr. Napier is also affiliated with Franciscan Health Indianapolis Orthopedic Hospital. The medical group on file is Indiana Spine Group. Dmand AI also links Dr. Napier to 4 more hospitals, 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. Zachary Mathias Napier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Napier practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Meridian Surgery Center - Carmel | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary Mathias Napier is one of 429 orthopedic surgeons in Indiana
Orthopaedic surgery is Dr. Napier's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Napier is licensed in Indiana.
Specialties and state licenses
- Orthopaedic surgery, IndianaPrimary
Orthopedic surgeons near Dr. Napier
Counts of orthopedic surgeons 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. Zachary Mathias Napier billed Medicare for 642 services in 2024
CMS data shows 642 Medicare services from Dr. Napier across 16 procedure codes in 2024, for 176 Medicare patients. Medicare paid $107,699 for them.
Dr. Napier's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1712024: 28969%
- Surgery
- 2023: 652024: 206217%
- Imaging
- 2023: 02024: 147
Where Dr. Napier's Medicare services took place, 2024
- In an office43668%
- In a facility20632%
Dr. Napier compared with the Indiana median for orthopedic surgeons, 2024
- Dr. Napier
- Indiana median
- Medicare services
- 642vs 1,34252% below
- Medicare patients
- 176vs 26233% below
- Part D claims
- 68vs 16659% below
Medians across 423 orthopedic surgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Napier'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Napier and other orthopedic surgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zachary Mathias Napier treated 176 Medicare patients in 2024, average age 72
CMS counts 176 Medicare patients who saw Dr. Napier in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have arthritis, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Napier's median patient age at 59, with 53% women.
Dr. Napier's Medicare patients by age, 2024
Dr. Napier's Medicare patients by sex, 2024
- Women11163%
- Men6537%
Chronic conditions among Dr. Napier's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol70%
- Mood disorders35%
- Diabetes33%
- Depression32%
- Anxiety31%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Napier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zachary Mathias Napier wrote 89 Medicare Part D claims in 2024
In 2024, Dr. Napier wrote 89 Medicare Part D claims for 27 patients. 100% of them were for generic drugs. CMS names the drug for 68 of them, across 3 drugs with 11 or more claims each, at $649 in total drug cost. In 2023, CMS named 105 claims across 4 drugs.
Dr. Napier'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 Dr. Napier's Part D claims, 2024
- Opioids37%33 of 89 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: 1052024: 6835%
Drugs named by CMS: 3 in 2024, 4 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
Dr. Zachary Mathias Napier ranks in the 77th percentile for spinal fusion in Medicare
Dr. Napier accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Napier as offering telehealth. CMS counts 116 procedures of spinal fusion by Dr. Napier, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Napier ranks in Medicare procedure volume
- Spinal fusion
- 77th percentile116 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 49th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Zachary Mathias Napier has 5 publications on record
Dmand AI links 5 papers to Dr. Napier, published from 2018 to 2020. 2019 was the busiest year, with 3. The most frequent topics are Spinal Fusion, Lumbar Vertebrae and Rats, Sprague-Dawley. Dr. Napier has published most often in Spine J. Dr. Napier's most frequent co-author is Ivan Cheng, MD.
Dr. Napier's papers by year, 2018 to 2020
Topics Dr. Napier writes about most
- Spinal Fusion
- Lumbar Vertebrae
- Rats, Sprague-Dawley
Dr. Napier's most frequent co-authors
Recent publications by Dr. Napier
Med Sci Monit
Tissue Eng Part A
See who Dr. Napier researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Napier works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Zachary Mathias Napier received $91,842 in industry payments from 2016 to 2025
CMS Open Payments shows 226 general payments to Dr. Napier from 24 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 38% of the total. Alphatec Spine, Inc paid the most, $45,288.
General payments to Dr. Napier by program year, 2016 to 2025
General payments to Dr. Napier by kind, 2016 to 2025
- Consulting fees$34,62538%
- Grants$25,00027%
- Travel and lodging$24,14026%
- Food and beverage$6,5677%
- Education$1,5102%
Companies that paid Dr. Napier the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zachary Mathias Napier graduated from George Washington University School of Medicine
Dr. Napier graduated from George Washington University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Zachary Mathias Napier'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Zachary Mathias Napier
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. Zachary Mathias Napier's NPI number?
Dr. Zachary Mathias Napier's NPI number is 1891145843. It was assigned on June 20, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary Mathias Napier?
Dr. Zachary Mathias Napier is an orthopedic surgeon in Carmel, Indiana. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Zachary Mathias Napier practice?
Dr. Napier practices at 13225 N Meridian Street, Carmel, IN 46032. Dr. Napier's primary practice is North Meridian Surgery Center - Carmel in Carmel, Indiana. Dmand AI also links Dr. Napier to 4 hospitals.
What is Dr. Zachary Mathias Napier's office phone number?
The practice phone on file for Dr. Napier is (317) 574-5400.
What is Dr. Zachary Mathias Napier's medical license number?
Dr. Napier holds Indiana license 01090729A.
Which hospitals is Dr. Zachary Mathias Napier affiliated with?
Dr. Napier is affiliated with Franciscan Health Indianapolis Orthopedic Hospital. Dmand AI links Dr. Napier to 4 more hospitals.
What medical group is Dr. Zachary Mathias Napier part of?
Dr. Napier is linked to Indiana Spine Group.
Does Dr. Zachary Mathias Napier accept Medicare?
Yes. CMS data shows Dr. Napier billed Medicare for 642 services in 2024, and Dr. Napier accepts Medicare assignment.
Does Dr. Zachary Mathias Napier offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Napier as offering telehealth services.
How many Medicare patients does Dr. Zachary Mathias Napier see?
CMS counts 176 Medicare patients who saw Dr. Napier in 2024, with an average age of 72.
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What services does Dr. Zachary Mathias Napier bill to Medicare?
In 2024, Dr. Napier's most billed Medicare services were office visit, new patient (99204), diagnostic imaging (72100) and office visit, established patient (99214).
Where did Dr. Zachary Mathias Napier go to medical school?
Dr. Napier graduated from George Washington University School of Medicine in 2014.
What drugs does Dr. Zachary Mathias Napier prescribe most?
In 2024 Medicare Part D data, Dr. Napier's most prescribed drugs by claims were Gabapentin, Methocarbamol and Hydrocodone-Acetaminophen.
Has Dr. Zachary Mathias Napier received payments from drug or device companies?
CMS Open Payments shows $91,842 in general payments to Dr. Napier from 24 companies from 2016 to 2025. The largest total came from Alphatec Spine, Inc.
How long has Dr. Zachary Mathias Napier been practicing?
Dr. Napier graduated from medical school in 2014, 12 years ago.
Does Dr. Zachary Mathias Napier do research?
Dmand AI links 5 publications to Dr. Napier, published from 2018 to 2020.
Who does Dr. Zachary Mathias Napier publish with?
Dr. Napier's most frequent co-authors are Ivan Cheng, MD (1 shared paper).
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