Mark A. Kline
- Medicare services, 2021
- 495
- Part D claims, 2024
- 400
- Hospital affiliations
- 1
- Industry payments
- $2,228
- Medical groups
- 3
- Practice address
- 2021 K Nw St, Washington, DC 20006
- Practice phone
- Call (202) 423-7825
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Capitol SC
Washington, District of Columbia
Find Mark Kline'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.
Mark A. Kline is an emergency medicine physician in Washington, District of Columbia
Mark Kline practices at Capitol SC in Washington, District of Columbia.
Mark Kline's NPI, 1194760595, was assigned on June 19, 2006. Mark Kline holds Maryland license C0001709.
- NPI
- 1194760595NPI Registry (opens in a new tab)
- NPI enumeration date
- June 19, 2006
- NPI status
- Active
- Practice phone
- (202) 423-7825
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Mark A. Kline practices at Capitol SC in Washington, District of Columbia
Mark Kline's primary practice is Capitol SC, at 2021 K Nw St, Washington, DC 20006 in District Of Columbia County. The practice phone is (202) 423-7825.
- Capitol SC2021 K Nw St, Washington, DC 20006 · District Of Columbia CountyPhone(202) 423-7825
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark A. Kline is affiliated with 3 sites of care and 3 medical groups
Mark Kline's primary practice is Capitol SC in Washington, District of Columbia. Mark Kline is also affiliated with Frederick Health Hospital. The medical group on file is Capitol Breathe Free Sinus & Allergy Centers. Dmand AI also links Mark Kline to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark A. Kline's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Kline practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Capitol SC | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark A. Kline is one of 233 emergency medicine physicians in District of Columbia
Emergency medicine is Mark Kline's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Mark Kline is licensed in Maryland.
Specialties and state licenses
- Emergency medicine, MarylandPrimary
Emergency medicine physicians near Mark Kline
Counts of emergency medicine physicians 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
Mark A. Kline billed Medicare for 495 services in 2021
CMS data shows 495 Medicare services from Mark Kline across 10 procedure codes in 2021. Medicare paid $34,012 for them. Every service was in an office.
Mark Kline's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 972021: 343254%
- Lab and pathology
- 2020: 02021: 152
Mark Kline compared with the District of Columbia median for emergency medicine physicians, 2021
- Mark Kline
- District of Columbia median
- Medicare services
- 495vs 1712.9 times
- Part D claims
- 282vs 2411.8 times
Medians across 211 emergency medicine physicians in District of Columbia with Dmand AI profiles that report each measure.
Mark Kline'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.
Need commercial claims for Mark Kline?
Medicare shows one payer. Book a meeting to get commercial claims data for Mark Kline and other emergency medicine physicians in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark A. Kline's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Mark Kline's median patient age at 51, with 54% women.
Mark Kline's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Mark A. Kline wrote 400 Medicare Part D claims in 2024
In 2024, Mark Kline wrote 400 Medicare Part D claims for 129 patients. 95% of them were for generic drugs. CMS names the drug for 282 of them, across 8 drugs with 11 or more claims each, at $4,509 in total drug cost. In 2023, CMS named 249 claims across 6 drugs.
Mark Kline's Part D claims by kind of drug, 2024
- Generic378 claims95%
- Brand-name22 claims6%
Mark Kline'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 Mark Kline's Part D claims, 2024
- Opioids9%36 of 400 claims
- Antibiotics11%44 of 400 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: 2492024: 28213%
Drugs named by CMS: 8 in 2024, 6 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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Mark A. Kline received $2,228 in industry payments from 2021 to 2025
CMS Open Payments shows 86 general payments to Mark Kline from 15 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $633.
General payments to Mark Kline by program year, 2021 to 2025
Companies that paid Mark Kline the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark A. Kline'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 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 Mark A. Kline
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark A. Kline's NPI number?
Mark A. Kline's NPI number is 1194760595. It was assigned on June 19, 2006, and it is active in the NPI Registry.
What does Mark A. Kline specialize in?
Mark A. Kline is an emergency medicine physician in Washington, District of Columbia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Mark A. Kline practice?
Mark Kline practices at 2021 K Nw St, Washington, DC 20006. Mark Kline's primary practice is Capitol SC in Washington, District of Columbia. Dmand AI also links Mark Kline to 2 medical groups and 1 group practice or clinic.
What is Mark A. Kline's office phone number?
The practice phone on file for Mark Kline is (202) 423-7825.
What is Mark A. Kline's medical license number?
Mark Kline holds Maryland license C0001709.
Which hospitals is Mark A. Kline affiliated with?
Mark Kline is affiliated with Frederick Health Hospital.
What medical group is Mark A. Kline part of?
Mark Kline is linked to Capitol Breathe Free Sinus & Allergy Centers. Dmand AI links Mark Kline to 2 more medical groups.
Does Mark A. Kline accept Medicare?
Yes. CMS data shows Mark Kline billed Medicare for 495 services in 2021.
What services does Mark A. Kline bill to Medicare?
In 2021, Mark Kline's most billed Medicare services were office visit, new patient (99203), lab and pathology test (87426) and office visit, established patient (99213).
What drugs does Mark A. Kline prescribe most?
In 2024 Medicare Part D data, Mark Kline's most prescribed drugs by claims were Ipratropium Bromide, Prednisone and Ondansetron ODT.
Has Mark A. Kline received payments from drug or device companies?
CMS Open Payments shows $2,228 in general payments to Mark Kline from 15 companies from 2021 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Mark A. Kline been practicing?
Mark Kline graduated from medical school in 1995, 31 years ago.
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