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Dr. John H. Ganser, MD
NPI1437187861PAC ID0547391427
- Medicare services, 2024
- 232
- Medicare patients, 2024
- 178
- Part D claims, 2024
- 60
- Publications
- 1
- MIPS score, 2024
- 91
- Practice address
- 75 Pringle Way, Reno, NV 89502
- Practice phone
- Call (775) 323-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Western Surgical Group
Reno, Nevada
Find Dr. Ganser'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. John H. Ganser is a general surgeon in Reno, Nevada
Dr. Ganser practices at Western Surgical Group in Reno, Nevada.
Dr. Ganser's NPI, 1437187861, was assigned on June 28, 2006. Dr. Ganser graduated from Baylor College Of Medicine in 1989. Dr. Ganser holds Nevada license 9279.
NPI and contact details
- NPI
- 1437187861NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547391427
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (775) 323-7500
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John H. Ganser practices at Western Surgical Group in Reno, Nevada
Dr. Ganser's primary practice is Western Surgical Group, at 75 Pringle Way, Reno, NV 89502 in Washoe County. The practice phone is (775) 323-7500.
- Western Surgical Group75 Pringle Way, Reno, NV 89502 · Washoe CountyPhone(775) 323-7500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John H. Ganser is affiliated with 6 sites of care and 1 medical group
Dr. Ganser's primary practice is Western Surgical Group in Reno, Nevada. Dr. Ganser is also affiliated with Renown Regional Medical Center. The medical group on file is Western Surgical Group. Dmand AI also links Dr. Ganser to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Western Surgical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John H. Ganser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ganser practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Western Surgical Group | 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. John H. Ganser is one of 202 general surgeons in Nevada
Surgery is Dr. Ganser's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ganser is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Ganser's licenses on file in 2 states: Nevada and Oregon.
Specialties and state licenses
- Surgery, NevadaPrimary
- Oregon license
Clinical focus
Dmand AI lists abdominal hernia repair surgery, bariatric surgery, esophagus, stomach, or upper small intestine surgery, gallbladder removal, groin hernia surgery and lung resection among the conditions Dr. Ganser treats.
General surgeons near Dr. Ganser
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. John H. Ganser billed Medicare for 232 services in 2024
CMS data shows 232 Medicare services from Dr. Ganser across 11 procedure codes in 2024, for 178 Medicare patients. Medicare paid $59,907 for them.
Medicare services, 2024232
Medicare patients178
Paid by Medicare$59,907
Procedure codes11
Dr. Ganser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1832024: 1754%
- Surgery
- 2023: 302024: 5790%
Where Dr. Ganser's Medicare services took place, 2024
- In an office17575%
- In a facility5725%
Dr. Ganser compared with the Nevada median for general surgeons, 2024
- Dr. Ganser
- Nevada median
- Medicare services
- 232vs 17830% above
- Medicare patients
- 178vs 12839% above
- Part D claims
- 22vs 4652% below
Medians across 181 general surgeons in Nevada with Dmand AI profiles that report each measure.
Dr. Ganser'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.
Need commercial claims for Dr. Ganser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ganser and other general surgeons in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John H. Ganser treated 178 Medicare patients in 2024, average age 73
CMS counts 178 Medicare patients who saw Dr. Ganser in 2024. The largest group is 65 to 74, with 89 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ganser's median patient age at 68, with 57% women.
Medicare patients, 2024178
Average age73
Average risk score1.25
Also on Medicaid8%
Dr. Ganser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ganser's Medicare patients by sex, 2024
- Women9855%
- Men8045%
Chronic conditions among Dr. Ganser's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease29%
- COPD28%
- Cancer25%
- Chronic kidney disease25%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ganser'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 H. Ganser wrote 60 Medicare Part D claims in 2024
In 2024, Dr. Ganser wrote 60 Medicare Part D claims for 38 patients. 93% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $232 in total drug cost. In 2023, CMS named 14 claims across 1 drug.
Part D claims, 202460
Drugs named by CMS1
Total drug cost$232
Part D patients38
Dr. Ganser's Part D claims by kind of drug, 2024
- Generic56 claims93%
- Brand-name and other4 claims7%
Dr. Ganser'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. Ganser's Part D claims, 2024
- Opioids50%30 of 60 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: 142024: 2257%
Drugs named by CMS: 1 in 2024, 1 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. John H. Ganser 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. Ganser for performance year 2024, reported through an alternative payment model (APM). Dr. Ganser accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ganser as offering telehealth. CMS counts 22 procedures of hernia repair (minimally invasive) by Dr. Ganser, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ganser's MIPS scores, performance year 2024
- 91of 100Final score
- 81.4of 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. Ganser ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 67th percentile62 procedures
- Hernia repair (minimally invasive)
- 90th percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. John H. Ganser has 1 publication on record
Dmand AI links 1 paper to Dr. Ganser. Dr. Ganser's most frequent co-authors are Laurie D. McGinley, APN and Kent C. Sasse, MD.
Papers1
Dr. Ganser's most frequent co-authors
Recent publications by Dr. Ganser
See who Dr. Ganser researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ganser works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John H. Ganser received $18,368 in industry payments from 2016 to 2025
CMS Open Payments shows 80 general payments to Dr. Ganser from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 30% of the total. Intuitive Surgical, Inc. paid the most, $8,113.
General payments to Dr. Ganser by program year, 2016 to 2025
General payments to Dr. Ganser by kind, 2016 to 2025
$18.4Kin total
- Consulting fees$5,46030%
- Travel and lodging$5,00827%
- Education$4,00022%
- Food and beverage$3,90021%
Companies that paid Dr. Ganser 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. John H. Ganser has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Ganser, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Ganser
- 2013
- CMS Stage 1 EHR
- 2011
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. John H. Ganser graduated from Baylor College Of Medicine
Dr. Ganser graduated from Baylor College Of Medicine in 1989. Dr. Ganser is a member of ACS and SLS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. John H. Ganser accepts plans from 16 insurance carriers
Dr. Ganser is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Ganser accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John H. Ganser'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 H. Ganser
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 H. Ganser's NPI number?
Dr. John H. Ganser's NPI number is 1437187861. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John H. Ganser?
Dr. John H. Ganser is a general surgeon in Reno, Nevada. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John H. Ganser practice?
Dr. Ganser practices at 75 Pringle Way, Reno, NV 89502. Dr. Ganser's primary practice is Western Surgical Group in Reno, Nevada. Dmand AI also links Dr. Ganser to 3 hospitals and 1 group practice or clinic.
What is Dr. John H. Ganser's office phone number?
The practice phone on file for Dr. Ganser is (775) 323-7500.
What is Dr. John H. Ganser's medical license number?
Dr. Ganser holds Nevada license 9279, one of the licenses on file in 2 states.
Which states has Dr. John H. Ganser been licensed in?
Dmand AI has state licenses on file for Dr. Ganser in Nevada (2000 to 2027) and Oregon (since 1990).
Which hospitals is Dr. John H. Ganser affiliated with?
Dr. Ganser is affiliated with Renown Regional Medical Center. Dmand AI links Dr. Ganser to 3 more hospitals.
What medical group is Dr. John H. Ganser part of?
Dr. Ganser is linked to Western Surgical Group.
Does Dr. John H. Ganser accept Medicare?
Yes. CMS data shows Dr. Ganser billed Medicare for 232 services in 2024, and Dr. Ganser accepts Medicare assignment.
Does Dr. John H. Ganser offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ganser as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. John H. Ganser's MIPS score?
Dr. Ganser's MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John H. Ganser see?
CMS counts 178 Medicare patients who saw Dr. Ganser in 2024, with an average age of 73.
Is Dr. John H. Ganser board certified?
Yes. Dr. Ganser is board certified in surgery by the American Board of Surgery.
What services does Dr. John H. Ganser bill to Medicare?
In 2024, Dr. Ganser's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and office visit, established patient (99212).
Where did Dr. John H. Ganser go to medical school?
Dr. Ganser graduated from Baylor College Of Medicine in 1989.
What drugs does Dr. John H. Ganser prescribe most?
In 2024 Medicare Part D data, Dr. Ganser's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. John H. Ganser received payments from drug or device companies?
CMS Open Payments shows $18,368 in general payments to Dr. Ganser from 14 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John H. Ganser been practicing?
Dr. Ganser graduated from medical school in 1989, 37 years ago.
Does Dr. John H. Ganser do research?
Dmand AI links 1 publication to Dr. Ganser.
Who does Dr. John H. Ganser publish with?
Dr. Ganser's most frequent co-authors are Laurie D. McGinley, APN (1 shared paper) and Kent C. Sasse, MD (1 shared paper).
What insurance does Dr. John H. Ganser accept?
Dr. Ganser is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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