Dr. James Christopher Zwanch, DO
- Medicare services, 2024
- 426
- Medicare patients, 2024
- 276
- Part D claims, 2024
- 135
- MIPS score, 2024
- 91
- Hospital affiliations
- 3
- Practice address
- 1323 West 6th Street, Stillwater, OK 74076
- Practice phone
- Call (405) 372-1480
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zwanch'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.
Dr. James Christopher Zwanch is a general surgeon in Stillwater, Oklahoma
Dr. Zwanch practices at Stillwater Medical Center in Stillwater, Oklahoma, part of City of Stillwater, Oklahoma.
Dr. Zwanch's NPI, 1710218847, was assigned on January 29, 2010. Dr. Zwanch graduated from Philadelphia College of Osteopathic Medicine in 2009. Dr. Zwanch holds Virginia license 0102203791.
- NPI
- 1710218847NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557580958
- NPI enumeration date
- January 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (405) 372-1480
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Christopher Zwanch practices at Stillwater Medical Center in Stillwater, Oklahoma
Dr. Zwanch's primary practice is Stillwater Medical Center, at 1323 West 6th Street, Stillwater, OK 74076 in Payne County. The practice phone is (405) 372-1480.
- Stillwater Medical Center1323 West 6th Street, Stillwater, OK 74076 · Payne CountyPhone(405) 372-1480
Source: Dmand AI Affiliation Data
Dr. James Christopher Zwanch is affiliated with 3 sites of care and 1 medical group
Dr. Zwanch's primary practice is Stillwater Medical Center in Stillwater, Oklahoma, part of City of Stillwater, Oklahoma. Dr. Zwanch is also affiliated with Stillwater Medical-Blackwell. The medical group on file is Stillwater Medical Center. Dmand AI also links Dr. Zwanch to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Christopher Zwanch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zwanch practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stillwater Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across City of Stillwater, Oklahoma and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Christopher Zwanch is one of 316 general surgeons in Oklahoma
Surgery is Dr. Zwanch's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Zwanch's licenses on file in 2 states: Virginia and Pennsylvania.
Specialties and state licenses
- Surgery, VirginiaPrimary
- Pennsylvania license
General surgeons near Dr. Zwanch
Counts of general 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. James Christopher Zwanch billed Medicare for 426 services in 2024
CMS data shows 426 Medicare services from Dr. Zwanch across 10 procedure codes in 2024, for 276 Medicare patients. Medicare paid $39,056 for them.
Dr. Zwanch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1962024: 31661%
- Surgery
- 2023: 152024: 74393%
- Tests and treatments
- 2023: 232024: 2013%
- Imaging
- 2023: 142024: 1614%
Where Dr. Zwanch's Medicare services took place, 2024
- In an office6315%
- In a facility36385%
Dr. Zwanch compared with the Oklahoma median for general surgeons, 2024
- Dr. Zwanch
- Oklahoma median
- Medicare services
- 426vs 1902.2 times
- Medicare patients
- 276vs 14590% above
- Part D claims
- 90vs 6148% above
Medians across 312 general surgeons in Oklahoma with Dmand AI profiles that report each measure.
Dr. Zwanch'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. Zwanch and other general surgeons in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Christopher Zwanch treated 276 Medicare patients in 2024, average age 73
CMS counts 276 Medicare patients who saw Dr. Zwanch in 2024. The largest group is 65 to 74, with 136 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zwanch's median patient age at 54, with 56% women.
Dr. Zwanch's Medicare patients by age, 2024
Dr. Zwanch's Medicare patients by sex, 2024
- Women12746%
- Men14954%
Chronic conditions among Dr. Zwanch's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis46%
- Diabetes33%
- Ischemic heart disease31%
- Cancer26%
- Mood disorders25%
- Heart failure24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zwanch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Christopher Zwanch wrote 135 Medicare Part D claims in 2024
In 2024, Dr. Zwanch wrote 135 Medicare Part D claims for 96 patients. 88% of them were for generic drugs. CMS names the drug for 90 of them, across 4 drugs with 11 or more claims each, at $940 in total drug cost. In 2023, CMS named 68 claims across 3 drugs.
Dr. Zwanch's Part D claims by kind of drug, 2024
- Generic119 claims88%
- Brand-name16 claims12%
Dr. Zwanch'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. Zwanch's Part D claims, 2024
- Opioids39%53 of 135 claims
- Antibiotics14%19 of 135 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: 682024: 9032%
Drugs named by CMS: 4 in 2024, 3 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. James Christopher Zwanch scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Zwanch for performance year 2024, reported through an alternative payment model (APM). Dr. Zwanch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 25 procedures of varicose vein removal by Dr. Zwanch, more than 61% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Zwanch's MIPS scores, performance year 2024
- 91of 100Final score
- 76.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Zwanch ranks in Medicare procedure volume
- Colonoscopy
- 54th percentile30 procedures
- Varicose vein removal
- 61st percentile25 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. James Christopher Zwanch received $4,849 in industry payments from 2016 to 2025
CMS Open Payments shows 47 general payments to Dr. Zwanch from 10 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 78% of the total. Intuitive Surgical, Inc. paid the most, $4,634.
General payments to Dr. Zwanch by program year, 2016 to 2025
General payments to Dr. Zwanch by kind, 2016 to 2025
- Travel and lodging$3,79378%
- Food and beverage$1,04722%
- Gifts$90%
Companies that paid Dr. Zwanch 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. James Christopher Zwanch graduated from Philadelphia College of Osteopathic Medicine
Dr. Zwanch graduated from Philadelphia College of Osteopathic Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Christopher Zwanch'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. James Christopher Zwanch
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. James Christopher Zwanch's NPI number?
Dr. James Christopher Zwanch's NPI number is 1710218847. It was assigned on January 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. James Christopher Zwanch?
Dr. James Christopher Zwanch is a general surgeon in Stillwater, Oklahoma. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. James Christopher Zwanch practice?
Dr. Zwanch practices at 1323 West 6th Street, Stillwater, OK 74076. Dr. Zwanch's primary practice is Stillwater Medical Center in Stillwater, Oklahoma, part of City of Stillwater, Oklahoma. Dmand AI also links Dr. Zwanch to 1 hospital.
What is Dr. James Christopher Zwanch's office phone number?
The practice phone on file for Dr. Zwanch is (405) 372-1480.
What is Dr. James Christopher Zwanch's medical license number?
Dr. Zwanch holds Virginia license 0102203791, one of the licenses on file in 2 states.
Which states has Dr. James Christopher Zwanch been licensed in?
Dmand AI has state licenses on file for Dr. Zwanch in Virginia and Pennsylvania.
Which hospitals is Dr. James Christopher Zwanch affiliated with?
Dr. Zwanch practices at Stillwater Medical Center in Stillwater, Oklahoma. Dr. Zwanch is also affiliated with Stillwater Medical-Blackwell. Dmand AI links Dr. Zwanch to 1 more hospital.
What medical group is Dr. James Christopher Zwanch part of?
Dr. Zwanch is linked to Stillwater Medical Center.
Does Dr. James Christopher Zwanch accept Medicare?
Yes. CMS data shows Dr. Zwanch billed Medicare for 426 services in 2024, and Dr. Zwanch accepts Medicare assignment.
What is Dr. James Christopher Zwanch's MIPS score?
Dr. Zwanch's MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. James Christopher Zwanch see?
CMS counts 276 Medicare patients who saw Dr. Zwanch in 2024, with an average age of 73.
What services does Dr. James Christopher Zwanch bill to Medicare?
In 2024, Dr. Zwanch's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and hospital inpatient care (99223).
Where did Dr. James Christopher Zwanch go to medical school?
Dr. Zwanch graduated from Philadelphia College of Osteopathic Medicine in 2009.
What drugs does Dr. James Christopher Zwanch prescribe most?
In 2024 Medicare Part D data, Dr. Zwanch's most prescribed drugs by claims were Oxycodone-Acetaminophen, Peg-3350 And Electrolytes and Gavilyte-G.
Has Dr. James Christopher Zwanch received payments from drug or device companies?
CMS Open Payments shows $4,849 in general payments to Dr. Zwanch from 10 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. James Christopher Zwanch been practicing?
Dr. Zwanch graduated from medical school in 2009, 17 years ago.
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