Ethan Hersko, PA-C
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 65
- MIPS score, 2024
- 82
- Hospital affiliations
- 1
- Medical groups
- 4
- Practice address
- 5755 Cedar Lane, Columbia, MD 21044
- Practice phone
- Call (410) 740-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ethan Hersko'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.
Ethan Hersko is a physician assistant in Columbia, Maryland
Ethan Hersko practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System.
Ethan Hersko's NPI, 1861818627, was assigned on March 17, 2014.
- NPI
- 1861818627NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749581155
- NPI enumeration date
- March 17, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 740-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ethan Hersko practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland
Ethan Hersko's primary practice is Johns Hopkins Howard County Medical Center, at 5755 Cedar Lane, Columbia, MD 21044 in Howard County. The practice phone is (410) 740-7890.
- Johns Hopkins Howard County Medical Center5755 Cedar Lane, Columbia, MD 21044 · Howard CountyPhone(410) 740-7890
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ethan Hersko is affiliated with 2 sites of care and 4 medical groups
Ethan Hersko's primary practice is Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System. The medical group on file is MedStar Medical Group. Dmand AI also links Ethan Hersko to 3 more medical groups and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ethan Hersko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ethan Hersko practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Howard County Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Ethan Hersko is one of 2,452 physician assistants in Maryland
Physician assistant is Ethan Hersko's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ethan Hersko has a license on file in Maryland.
Specialties and state licenses
- Physician assistant, Maryland
Physician assistants near Ethan Hersko
Counts of physician assistants 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
Ethan Hersko treated 67 Medicare patients in 2024, average age 63
CMS counts 67 Medicare patients who saw Ethan Hersko in 2024. The largest group is 65 to 74, with 28 patients. 61% of them have high cholesterol, and 57% have high blood pressure. 37% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ethan Hersko's median patient age at 37, with 67% women.
Ethan Hersko's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ethan Hersko's Medicare patients by sex, 2024
- Women4770%
- Men2030%
Chronic conditions among Ethan Hersko's Medicare patients, 2024
- High cholesterol61%
- High blood pressure57%
- Arthritis46%
- Anxiety33%
- Mood disorders33%
- Depression25%
- Asthma24%
- COPD18%
Share of Medicare patients with each condition. A patient can have several.
Ethan Hersko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women67%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ethan Hersko wrote 65 Medicare Part D claims in 2024
In 2024, Ethan Hersko wrote 65 Medicare Part D claims for 51 patients. 71% of them were for generic drugs.
Ethan Hersko's Part D claims by kind of drug, 2024
- Generic46 claims71%
- Brand-name and other19 claims29%
Drug classes CMS tracks in Ethan Hersko's Part D claims, 2024
- Antibiotics32%21 of 65 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Ethan Hersko scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Ethan Hersko for performance year 2024, reported as part of a group. Ethan Hersko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Ethan Hersko as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Ethan Hersko's MIPS scores, performance year 2024
- 82of 100Final score
- 67.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Ethan Hersko'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)Dmand AI Org Hierarchy Data |
| 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 (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)Clinician Public Reporting: Overall MIPS Performance (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 Ethan Hersko
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ethan Hersko's NPI number?
Ethan Hersko's NPI number is 1861818627. It was assigned on March 17, 2014, and it is active in the NPI Registry.
What does Ethan Hersko specialize in?
Ethan Hersko is a physician assistant in Columbia, Maryland. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ethan Hersko practice?
Ethan Hersko practices at 5755 Cedar Lane, Columbia, MD 21044. Ethan Hersko's primary practice is Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System. Dmand AI also links Ethan Hersko to 3 medical groups and 1 physician office.
What is Ethan Hersko's office phone number?
The practice phone on file for Ethan Hersko is (410) 740-7890.
Which hospitals is Ethan Hersko affiliated with?
Ethan Hersko practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland.
What medical group is Ethan Hersko part of?
Ethan Hersko is linked to MedStar Medical Group. Dmand AI links Ethan Hersko to 3 more medical groups.
Does Ethan Hersko accept Medicare?
Yes. CMS lists Ethan Hersko as accepting Medicare assignment.
Does Ethan Hersko offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Ethan Hersko as offering telehealth services.
What is Ethan Hersko's MIPS score?
Ethan Hersko's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Ethan Hersko see?
CMS counts 67 Medicare patients who saw Ethan Hersko in 2024, with an average age of 63.
How long has Ethan Hersko been practicing?
Ethan Hersko graduated from medical school in 2014, 12 years ago.
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