Dr. Gerald Neil Schaffer, MD
- Medicare services, 2021
- 81
- Part D claims, 2022
- 11
- Industry payments
- $728
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 110 Bella Way, Susanville, CA 96130-9102
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Susanville Va Cboc
Multi-specialty group site · Susanville, California
Find Dr. Schaffer'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. Gerald Neil Schaffer is a gastroenterologist in Truckee, California
Dr. Schaffer practices at Susanville Va Cboc in Susanville, California.
Dr. Schaffer's NPI, 1780797027, was assigned on August 17, 2006. Dr. Schaffer graduated from University of Maryland School of Medicine - Baltimore in 1971. Dr. Schaffer's California license number on file is G39171.
- NPI
- 1780797027NPI Registry (opens in a new tab)
- NPI enumeration date
- August 17, 2006
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerald Neil Schaffer practices in Susanville and Truckee
Dr. Schaffer's primary practice is Susanville Va Cboc, at 110 Bella Way, Susanville, CA 96130-9102. The practice phone is (702) 341-3020. The NPI Registry lists Dr. Schaffer's practice address as 10121 Pine Ave, Truckee, CA 96161.
- Susanville Va CbocPrimary110 Bella Way, Susanville, CA 96130-9102Phone(702) 341-3020
- NPI Registry address10121 Pine Ave, Truckee, CA 96161 · Nevada CountyPhone(510) 234-5012
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Gerald Neil Schaffer is affiliated with 2 sites of care and 2 medical groups
Dr. Schaffer's primary practice is Susanville Va Cboc in Susanville, California. Dmand AI also links Dr. Schaffer to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Gerald Neil Schaffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schaffer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Susanville Va Cboc | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerald Neil Schaffer is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Schaffer's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Schaffer's licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Nevada license
Gastroenterologists near Dr. Schaffer
Counts of gastroenterologists 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. Gerald Neil Schaffer billed Medicare for 81 services in 2021
CMS data shows 81 Medicare services from Dr. Schaffer across 1 procedure code in 2021, all of them office visits. Medicare paid $1,384 for them. Every service was in an office.
Dr. Schaffer's Medicare services by type, 2019 to 2021
- 2019
- 2021
- Office and hospital visits
- 2019: 172021: 81376%
Dr. Schaffer compared with the California median for gastroenterologists, 2021
- Dr. Schaffer
- California median
- Medicare services
- 81vs 58686% below
- Part D claims
- 11vs 38097% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Schaffer's most billed Medicare procedure codes, 2021
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. Schaffer and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerald Neil Schaffer's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Schaffer's median patient age at 61, with 25% women.
Dr. Schaffer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. Gerald Neil Schaffer wrote 11 Medicare Part D claims in 2022
In 2022, Dr. Schaffer wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $311 in total drug cost. In 2021, CMS named 195 claims across 5 drugs.
Dr. Schaffer's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1952022: 1194%
Drugs named by CMS: 1 in 2022, 5 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gerald Neil Schaffer received $728 in industry payments from 2016 to 2021
CMS Open Payments shows 34 general payments to Dr. Schaffer from 13 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 98% of the total. Gilead Sciences, Inc. paid the most, $233.
General payments to Dr. Schaffer by program year, 2016 to 2021
General payments to Dr. Schaffer by kind, 2016 to 2021
- Food and beverage$71598%
- Education$132%
Companies that paid Dr. Schaffer the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gerald Neil Schaffer has 1 award and honors on record
Dmand AI lists 1 award for Dr. Schaffer, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Schaffer
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Gerald Neil Schaffer graduated from University of Maryland School of Medicine - Baltimore
Dr. Schaffer graduated from University of Maryland School of Medicine - Baltimore in 1971.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Gerald Neil Schaffer accepts plans from 1 insurance carrier
Dr. Schaffer is in network with 1 carrier, including Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
Plan types Dr. Schaffer accepts, by number of carriers
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gerald Neil Schaffer'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Gerald Neil Schaffer
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. Gerald Neil Schaffer's NPI number?
Dr. Gerald Neil Schaffer's NPI number is 1780797027. It was assigned on August 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald Neil Schaffer?
Dr. Gerald Neil Schaffer is a gastroenterologist in Truckee, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Gerald Neil Schaffer practice?
Dr. Schaffer practices at 110 Bella Way, Susanville, CA 96130-9102. Dr. Schaffer also practices at 10121 Pine Ave, Truckee, CA 96161. Dr. Schaffer's primary practice is Susanville Va Cboc in Susanville, California. Dmand AI also links Dr. Schaffer to 2 medical groups and 1 group practice or clinic.
What is Dr. Gerald Neil Schaffer's office phone number?
The practice phone on file for Dr. Schaffer is (702) 341-3020.
What is Dr. Gerald Neil Schaffer's medical license number?
Dr. Schaffer's California license number on file is G39171, one of the licenses on file in 2 states.
Which states has Dr. Gerald Neil Schaffer been licensed in?
Dmand AI has state licenses on file for Dr. Schaffer in California (1979 to 2024) and Nevada (2014 to 2021).
Does Dr. Gerald Neil Schaffer accept Medicare?
Yes. CMS data shows Dr. Schaffer billed Medicare for 81 services in 2021.
What services does Dr. Gerald Neil Schaffer bill to Medicare?
In 2021, Dr. Schaffer's most billed Medicare services were office visit, established patient (99211).
Where did Dr. Gerald Neil Schaffer go to medical school?
Dr. Schaffer graduated from University of Maryland School of Medicine - Baltimore in 1971.
What drugs does Dr. Gerald Neil Schaffer prescribe most?
In 2022 Medicare Part D data, Dr. Schaffer's most prescribed drugs by claims were Omeprazole.
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Has Dr. Gerald Neil Schaffer received payments from drug or device companies?
CMS Open Payments shows $728 in general payments to Dr. Schaffer from 13 companies from 2016 to 2021. The largest total came from Gilead Sciences, Inc.
How long has Dr. Gerald Neil Schaffer been practicing?
Dr. Schaffer graduated from medical school in 1971, 55 years ago.
What insurance does Dr. Gerald Neil Schaffer accept?
Dr. Schaffer is in network with 1 carrier, including Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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