Dr. Jeffrey A. Keyser, DO
- Medicare services, 2019
- 388
- Part D claims, 2024
- 31
- Industry payments
- $583
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 804 Grandview Dr Suite 2 Suite 2, Ephrata, PA 17522-1681
- Practice phone
- Call (717) 466-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellspan Breast Surgery
Surgical practice · Ephrata, Pennsylvania
Find Dr. Keyser'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. Jeffrey A. Keyser is a general surgeon in Ephrata, Pennsylvania
Dr. Keyser practices at Wellspan Breast Surgery in Ephrata, Pennsylvania.
Dr. Keyser's NPI, 1346233400, was assigned on August 24, 2005. Dr. Keyser holds Pennsylvania license OS-004694L.
- NPI
- 1346233400NPI Registry (opens in a new tab)
- NPI enumeration date
- August 24, 2005
- NPI status
- Active
- Practice phone
- (717) 466-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey A. Keyser practices at Wellspan Breast Surgery in Ephrata, Pennsylvania
Dr. Keyser's primary practice is Wellspan Breast Surgery, at 804 Grandview Dr Suite 2 Suite 2, Ephrata, PA 17522-1681. The practice phone is (717) 466-2500.
- Wellspan Breast Surgery804 Grandview Dr Suite 2 Suite 2, Ephrata, PA 17522-1681Phone(717) 466-2500
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey A. Keyser is affiliated with 2 sites of care and 1 medical group
Dr. Keyser's primary practice is Wellspan Breast Surgery in Ephrata, Pennsylvania. The medical group on file is WellSpan Digestive Health. Dmand AI also links Dr. Keyser to 1 more physician office, 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. Jeffrey A. Keyser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keyser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellspan Breast Surgery | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey A. Keyser is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Keyser's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Keyser is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Keyser
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. Jeffrey A. Keyser billed Medicare for 388 services in 2019
CMS data shows 388 Medicare services from Dr. Keyser across 13 procedure codes in 2019. Medicare paid $32,706 for them.
Dr. Keyser's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 3402019: 24029%
- Tests and treatments
- 2018: 1022019: 12523%
- Surgery
- 2018: 02019: 23
Where Dr. Keyser's Medicare services took place, 2019
- In an office36093%
- In a facility287%
Dr. Keyser compared with the Pennsylvania median for general surgeons, 2019
- Dr. Keyser
- Pennsylvania median
- Medicare services
- 388vs 1582.5 times
- Part D claims
- 22vs 2924% below
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Keyser's most billed Medicare procedure codes, 2019
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. Keyser and other general surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey A. Keyser's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Keyser's median patient age at 55, with 100% women.
Dr. Keyser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Jeffrey A. Keyser wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Keyser wrote 31 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $75 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Keyser'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 2283%
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
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Dr. Jeffrey A. Keyser received $583 in industry payments from 2016 to 2019
CMS Open Payments shows 12 general payments to Dr. Keyser from 5 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Endologix, Inc. paid the most, $505.
General payments to Dr. Keyser by program year, 2016 to 2019
Companies that paid Dr. Keyser the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jeffrey A. Keyser'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jeffrey A. Keyser
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. Jeffrey A. Keyser's NPI number?
Dr. Jeffrey A. Keyser's NPI number is 1346233400. It was assigned on August 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey A. Keyser?
Dr. Jeffrey A. Keyser is a general surgeon in Ephrata, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jeffrey A. Keyser practice?
Dr. Keyser practices at 804 Grandview Dr Suite 2 Suite 2, Ephrata, PA 17522-1681. Dr. Keyser's primary practice is Wellspan Breast Surgery in Ephrata, Pennsylvania. Dmand AI also links Dr. Keyser to 1 physician office.
What is Dr. Jeffrey A. Keyser's office phone number?
The practice phone on file for Dr. Keyser is (717) 466-2500.
What is Dr. Jeffrey A. Keyser's medical license number?
Dr. Keyser holds Pennsylvania license OS-004694L.
What medical group is Dr. Jeffrey A. Keyser part of?
Dr. Keyser is linked to WellSpan Digestive Health.
Does Dr. Jeffrey A. Keyser accept Medicare?
Yes. CMS data shows Dr. Keyser billed Medicare for 388 services in 2019.
What services does Dr. Jeffrey A. Keyser bill to Medicare?
In 2019, Dr. Keyser's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99212) and office visit, new patient (99203).
What drugs does Dr. Jeffrey A. Keyser prescribe most?
In 2024 Medicare Part D data, Dr. Keyser's most prescribed drugs by claims were Omeprazole.
Has Dr. Jeffrey A. Keyser received payments from drug or device companies?
CMS Open Payments shows $583 in general payments to Dr. Keyser from 5 companies from 2016 to 2019. The largest total came from Endologix, Inc.
How long has Dr. Jeffrey A. Keyser been practicing?
Dr. Keyser's NPI was assigned in 2005.
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