Dr. Daria Lin Keyser, DO
- Medicare services, 2024
- 257
- Medicare patients, 2024
- 153
- Part D claims, 2024
- 50
- Hospital affiliations
- 1
- Industry payments
- $747
- Practice address
- One Hospital Drive, Lewisburg, PA 17837
- Practice phone
- Call (570) 522-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Keyser's professional email, personal email and mobile number
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Dr. Daria Lin Keyser is a general surgeon in Lewisburg, Pennsylvania
Dr. Keyser practices at WellSpan Evangelical Community Hospital in Lewisburg, Pennsylvania, part of WellSpan Health.
Dr. Keyser's NPI, 1922329259, was assigned on June 22, 2010. Dr. Keyser graduated from Philadelphia College of Osteopathic Medicine in 2010. Dr. Keyser holds Pennsylvania license OS017396.
- NPI
- 1922329259NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800109190
- NPI enumeration date
- June 22, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (570) 522-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daria Lin Keyser practices at 2 locations in Lewisburg, Pennsylvania
Dr. Keyser's primary practice is WellSpan Evangelical Community Hospital, at One Hospital Drive, Lewisburg, PA 17837 in Union County. The practice phone is (570) 522-2000. Dr. Keyser also practices at Evangelical Community Hospital, 1 Hospital Dr, Lewisburg, PA 17837.
- WellSpan Evangelical Community HospitalPrimaryOne Hospital Drive, Lewisburg, PA 17837 · Union CountyPhone(570) 522-2000
- Evangelical Community Hospital1 Hospital Dr, Lewisburg, PA 17837 · Union CountyPhone(570) 522-2000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Daria Lin Keyser is affiliated with 4 sites of care and 2 medical groups
Dr. Keyser's primary practice is WellSpan Evangelical Community Hospital in Lewisburg, Pennsylvania, part of WellSpan Health. The medical group on file is WellSpan Digestive Health. Dmand AI also links Dr. Keyser to 2 more group practices and clinics, 1 clinical lab and 1 medical group, 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. Daria Lin Keyser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keyser practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WellSpan Evangelical Community Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daria Lin 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. Dmand AI has Dr. Keyser's licenses on file in 2 states: Pennsylvania and Georgia.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
- Georgia license
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. Daria Lin Keyser billed Medicare for 257 services in 2024
CMS data shows 257 Medicare services from Dr. Keyser across 8 procedure codes in 2024, for 153 Medicare patients. Medicare paid $11,220 for them. Every service was in an office.
Dr. Keyser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1422024: 21048%
- Office and hospital visits
- 2023: 412024: 4715%
Dr. Keyser compared with the Pennsylvania median for general surgeons, 2024
- Dr. Keyser
- Pennsylvania median
- Medicare services
- 257vs 15863% above
- Medicare patients
- 153vs 12720% above
- Part D claims
- 19vs 2934% 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, 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. 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. Daria Lin Keyser treated 153 Medicare patients in 2024, average age 75
CMS counts 153 Medicare patients who saw Dr. Keyser in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Keyser's median patient age at 57, with 94% women.
Dr. Keyser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Keyser's Medicare patients by sex, 2024
- Women10267%
- Men5133%
Chronic conditions among Dr. Keyser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis50%
- Anxiety31%
- Osteoporosis25%
- Cancer24%
- Diabetes20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
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 57
Patient panel by sex, all payers
- Women94%
- Men5%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daria Lin Keyser wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Keyser wrote 50 Medicare Part D claims for 35 patients. 98% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $25 in total drug cost. In 2023, CMS named 29 claims across 2 drugs.
Dr. Keyser's Part D claims by kind of drug, 2024
- Generic49 claims98%
- Brand-name and other1 claims2%
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.
Drug classes CMS tracks in Dr. Keyser's Part D claims, 2024
- Opioids44%22 of 50 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: 292024: 1934%
Drugs named by CMS: 1 in 2024, 2 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. Daria Lin Keyser ranks in the 70th percentile for removal or shaving of skin growth in Medicare
Dr. Keyser accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of removal or shaving of skin growth by Dr. Keyser, more than 70% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Keyser ranks in Medicare procedure volume
- Removal or shaving of skin growth
- 70th percentile18 procedures
- Removal of skin lesions
- 63rd percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Daria Lin Keyser received $747 in industry payments from 2016 to 2023
CMS Open Payments shows 14 general payments to Dr. Keyser from 11 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Silk Road Medical, Inc. paid the most, $132.
General payments to Dr. Keyser by program year, 2016 to 2023
Companies that paid Dr. Keyser the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daria Lin Keyser graduated from Philadelphia College of Osteopathic Medicine
Dr. Keyser graduated from Philadelphia College of Osteopathic Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daria Lin 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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. Daria Lin 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. Daria Lin Keyser's NPI number?
Dr. Daria Lin Keyser's NPI number is 1922329259. It was assigned on June 22, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Daria Lin Keyser?
Dr. Daria Lin Keyser is a general surgeon in Lewisburg, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Daria Lin Keyser practice?
Dr. Keyser practices at One Hospital Drive, Lewisburg, PA 17837. Dr. Keyser also practices at 1 Hospital Dr, Lewisburg, PA 17837. Dr. Keyser's primary practice is WellSpan Evangelical Community Hospital in Lewisburg, Pennsylvania, part of WellSpan Health. Dmand AI also links Dr. Keyser to 2 group practices and clinics, 1 clinical lab and 1 medical group.
What is Dr. Daria Lin Keyser's office phone number?
The practice phone on file for Dr. Keyser is (570) 522-2000.
What is Dr. Daria Lin Keyser's medical license number?
Dr. Keyser holds Pennsylvania license OS017396, one of the licenses on file in 2 states.
Which states has Dr. Daria Lin Keyser been licensed in?
Dmand AI has state licenses on file for Dr. Keyser in Pennsylvania and Georgia.
Which hospitals is Dr. Daria Lin Keyser affiliated with?
Dr. Keyser practices at WellSpan Evangelical Community Hospital in Lewisburg, Pennsylvania.
What medical group is Dr. Daria Lin Keyser part of?
Dr. Keyser is linked to WellSpan Digestive Health. Dmand AI links Dr. Keyser to 1 more medical group.
Does Dr. Daria Lin Keyser accept Medicare?
Yes. CMS data shows Dr. Keyser billed Medicare for 257 services in 2024, and Dr. Keyser accepts Medicare assignment.
How many Medicare patients does Dr. Daria Lin Keyser see?
CMS counts 153 Medicare patients who saw Dr. Keyser in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Daria Lin Keyser bill to Medicare?
In 2024, Dr. Keyser's most billed Medicare services were surgery: skin and soft tissue (17003), surgery: skin and soft tissue (17000) and surgery: skin and soft tissue (11301).
Where did Dr. Daria Lin Keyser go to medical school?
Dr. Keyser graduated from Philadelphia College of Osteopathic Medicine in 2010.
What drugs does Dr. Daria Lin Keyser prescribe most?
In 2024 Medicare Part D data, Dr. Keyser's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Daria Lin Keyser received payments from drug or device companies?
CMS Open Payments shows $747 in general payments to Dr. Keyser from 11 companies from 2016 to 2023. The largest total came from Silk Road Medical, Inc.
How long has Dr. Daria Lin Keyser been practicing?
Dr. Keyser graduated from medical school in 2010, 16 years ago.
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