Dr. Karl P. Riggle, MD
- Medicare services, 2024
- 864
- Medicare patients, 2024
- 500
- Part D claims, 2024
- 330
- Hospital affiliations
- 2
- Industry payments
- $1,583
- Practice address
- 11116 Medical Campus Road, Hagerstown, MD 21742
- Practice phone
- Call (240) 313-9500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Riggle's professional email, personal email and mobile number
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Dr. Karl P. Riggle is a general surgeon in Hagerstown, Maryland
Dr. Riggle practices at Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health.
Dr. Riggle's NPI, 1831114511, was assigned on July 13, 2006. Dr. Riggle graduated from Virginia Commonwealth University, School of Medicine in 1983. Dr. Riggle holds Maryland license D0038764.
- NPI
- 1831114511NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416845730
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (240) 313-9500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karl P. Riggle practices at Meritus Medical Center in Hagerstown, Maryland
Dr. Riggle's primary practice is Meritus Medical Center, at 11116 Medical Campus Road, Hagerstown, MD 21742 in Washington County. The practice phone is (240) 313-9500.
- Meritus Medical Center11116 Medical Campus Road, Hagerstown, MD 21742 · Washington CountyPhone(240) 313-9500
Source: Dmand AI Affiliation Data
Dr. Karl P. Riggle is affiliated with 3 sites of care and 1 medical group
Dr. Riggle's primary practice is Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health. Dr. Riggle is also affiliated with Fulton County Medical Center. The medical group on file is Tristate Surgeons. Dmand AI also links Dr. Riggle to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karl P. Riggle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riggle practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Meritus 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
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Dr. Karl P. Riggle is one of 532 general surgeons in Maryland
Surgery is Dr. Riggle's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Riggle's licenses on file in 2 states: Maryland and Pennsylvania.
Specialties and state licenses
- Surgery, MarylandPrimary
- Pennsylvania license
General surgeons near Dr. Riggle
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. Karl P. Riggle billed Medicare for 864 services in 2024
CMS data shows 864 Medicare services from Dr. Riggle across 21 procedure codes in 2024, for 500 Medicare patients. Medicare paid $115,320 for them.
Dr. Riggle's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5582024: 5138%
- Surgery
- 2023: 2622024: 2786%
- Imaging
- 2023: 702024: 734%
Where Dr. Riggle's Medicare services took place, 2024
- In an office42049%
- In a facility44451%
Dr. Riggle compared with the Maryland median for general surgeons, 2024
- Dr. Riggle
- Maryland median
- Medicare services
- 864vs 2303.8 times
- Medicare patients
- 500vs 1623.1 times
- Part D claims
- 232vs 268.9 times
Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Riggle'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. Riggle and other general surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karl P. Riggle treated 500 Medicare patients in 2024, average age 72
CMS counts 500 Medicare patients who saw Dr. Riggle in 2024. The largest group is 65 to 74, with 206 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Riggle's median patient age at 68, with 47% women.
Dr. Riggle's Medicare patients by age, 2024
Dr. Riggle's Medicare patients by sex, 2024
- Women24148%
- Men25952%
Chronic conditions among Dr. Riggle's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes44%
- Chronic kidney disease43%
- Ischemic heart disease42%
- Mood disorders33%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Riggle'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
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karl P. Riggle wrote 330 Medicare Part D claims in 2024
In 2024, Dr. Riggle wrote 330 Medicare Part D claims for 202 patients. 88% of them were for generic drugs. CMS names the drug for 232 of them, across 5 drugs with 11 or more claims each, at $29,232 in total drug cost. In 2023, CMS named 251 claims across 7 drugs.
Dr. Riggle's Part D claims by kind of drug, 2024
- Generic292 claims88%
- Brand-name38 claims12%
Dr. Riggle'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. Riggle's Part D claims, 2024
- Opioids58%191 of 330 claims
- Antibiotics12%39 of 330 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: 2512024: 2328%
Drugs named by CMS: 5 in 2024, 7 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. Karl P. Riggle ranks in the 97th percentile for hernia repair - groin (open) in Medicare
Dr. Riggle accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of hernia repair - groin (open) by Dr. Riggle, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Riggle ranks in Medicare procedure volume
- Colonoscopy
- 63rd percentile49 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 60th percentile40 procedures
- Hernia repair - groin (open)
- 97th percentile21 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 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. Karl P. Riggle received $1,583 in industry payments from 2016 to 2025
CMS Open Payments shows 80 general payments to Dr. Riggle from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $247.
General payments to Dr. Riggle by program year, 2016 to 2025
Companies that paid Dr. Riggle 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. Karl P. Riggle graduated from Virginia Commonwealth University, School of Medicine
Dr. Riggle graduated from Virginia Commonwealth University, School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl P. Riggle'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)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. Karl P. Riggle
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. Karl P. Riggle's NPI number?
Dr. Karl P. Riggle's NPI number is 1831114511. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl P. Riggle?
Dr. Karl P. Riggle is a general surgeon in Hagerstown, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Karl P. Riggle practice?
Dr. Riggle practices at 11116 Medical Campus Road, Hagerstown, MD 21742. Dr. Riggle's primary practice is Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health. Dmand AI also links Dr. Riggle to 1 group practice or clinic.
What is Dr. Karl P. Riggle's office phone number?
The practice phone on file for Dr. Riggle is (240) 313-9500.
What is Dr. Karl P. Riggle's medical license number?
Dr. Riggle holds Maryland license D0038764, one of the licenses on file in 2 states.
Which states has Dr. Karl P. Riggle been licensed in?
Dmand AI has state licenses on file for Dr. Riggle in Maryland and Pennsylvania.
Which hospitals is Dr. Karl P. Riggle affiliated with?
Dr. Riggle practices at Meritus Medical Center in Hagerstown, Maryland. Dr. Riggle is also affiliated with Fulton County Medical Center.
What medical group is Dr. Karl P. Riggle part of?
Dr. Riggle is linked to Tristate Surgeons.
Does Dr. Karl P. Riggle accept Medicare?
Yes. CMS data shows Dr. Riggle billed Medicare for 864 services in 2024, and Dr. Riggle accepts Medicare assignment.
How many Medicare patients does Dr. Karl P. Riggle see?
CMS counts 500 Medicare patients who saw Dr. Riggle in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Karl P. Riggle bill to Medicare?
In 2024, Dr. Riggle's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99212) and office visit, new patient (99203).
Where did Dr. Karl P. Riggle go to medical school?
Dr. Riggle graduated from Virginia Commonwealth University, School of Medicine in 1983.
What drugs does Dr. Karl P. Riggle prescribe most?
In 2024 Medicare Part D data, Dr. Riggle's most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Eliquis.
Has Dr. Karl P. Riggle received payments from drug or device companies?
CMS Open Payments shows $1,583 in general payments to Dr. Riggle from 29 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Karl P. Riggle been practicing?
Dr. Riggle graduated from medical school in 1983, 43 years ago.
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