Dr. Essa Hassan Hariri, MD
- Medicare services, 2023
- 41
- Part D claims, 2024
- 147
- Hospital affiliations
- 2
- Industry payments
- $842
- Medical group
- 1
- Practice address
- 4940 Eastern Avenue, Baltimore, MD 21224
- Practice phone
- Call (410) 550-0123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hariri's professional email, personal email and mobile number
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Dr. Essa Hassan Hariri is an internist in Baltimore, Maryland
Dr. Hariri practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System.
Dr. Hariri's NPI, 1487115739, was assigned on March 28, 2019. Dr. Hariri holds Ohio license 35.144554.
- NPI
- 1487115739NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274876537
- NPI enumeration date
- March 28, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 550-0123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Essa Hassan Hariri practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland
Dr. Hariri's primary practice is Johns Hopkins Bayview Medical Center, at 4940 Eastern Avenue, Baltimore, MD 21224 in Baltimore City. The practice phone is (410) 550-0123.
- Johns Hopkins Bayview Medical Center4940 Eastern Avenue, Baltimore, MD 21224 · Baltimore CityPhone(410) 550-0123
Source: Dmand AI Affiliation Data
Dr. Essa Hassan Hariri is affiliated with 2 sites of care and 1 medical group
Dr. Hariri's primary practice is Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System. Dr. Hariri is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins Department of Orthopaedic Surgery.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Essa Hassan Hariri's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hariri practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Bayview Medical Center | 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. Essa Hassan Hariri is one of 3,320 internists in Maryland
Internal medicine is Dr. Hariri's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hariri is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Hariri
Counts of internists 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. Essa Hassan Hariri billed Medicare for 41 services in 2023
CMS data shows 41 Medicare services from Dr. Hariri across 1 procedure code in 2023, all of them office visits. Medicare paid $1,406 for them.
Dr. Hariri's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 312023: 4132%
Where Dr. Hariri's Medicare services took place, 2023
- In an office1434%
- In a facility2766%
Dr. Hariri compared with the Maryland median for internists, 2023
- Dr. Hariri
- Maryland median
- Medicare services
- 41vs 65694% below
- Part D claims
- 29vs 30991% below
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Hariri's most billed Medicare procedure codes, 2023
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 Dr. Hariri?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hariri and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Essa Hassan Hariri's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Hariri's median patient age at 69, with 61% women.
Dr. Hariri's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Essa Hassan Hariri wrote 147 Medicare Part D claims in 2024
In 2024, Dr. Hariri wrote 147 Medicare Part D claims for 41 patients. 91% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $309 in total drug cost. In 2023, CMS named 48 claims across 3 drugs.
Dr. Hariri's Part D claims by kind of drug, 2024
- Generic134 claims91%
- Brand-name13 claims9%
Dr. Hariri'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: 482024: 2940%
Drugs named by CMS: 2 in 2024, 3 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
How Dr. Essa Hassan Hariri takes part in Medicare
Dr. Hariri accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Essa Hassan Hariri received $842 in industry payments from 2023 to 2025
CMS Open Payments shows 11 general payments to Dr. Hariri from 6 drug and device companies from 2023 to 2025. Education make up the largest share, 62% of the total. Abbott Laboratories paid the most, $518.
General payments to Dr. Hariri by program year, 2023 to 2025
General payments to Dr. Hariri by kind, 2023 to 2025
- Education$51862%
- Food and beverage$32438%
Companies that paid Dr. Hariri the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Essa Hassan Hariri'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Essa Hassan Hariri
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. Essa Hassan Hariri's NPI number?
Dr. Essa Hassan Hariri's NPI number is 1487115739. It was assigned on March 28, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Essa Hassan Hariri?
Dr. Essa Hassan Hariri is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Essa Hassan Hariri practice?
Dr. Hariri practices at 4940 Eastern Avenue, Baltimore, MD 21224. Dr. Hariri's primary practice is Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System.
What is Dr. Essa Hassan Hariri's office phone number?
The practice phone on file for Dr. Hariri is (410) 550-0123.
What is Dr. Essa Hassan Hariri's medical license number?
Dr. Hariri holds Ohio license 35.144554.
Which hospitals is Dr. Essa Hassan Hariri affiliated with?
Dr. Hariri practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland. Dr. Hariri is also affiliated with The Johns Hopkins Hospital.
What medical group is Dr. Essa Hassan Hariri part of?
Dr. Hariri is linked to Johns Hopkins Department of Orthopaedic Surgery.
Does Dr. Essa Hassan Hariri accept Medicare?
Yes. CMS data shows Dr. Hariri billed Medicare for 41 services in 2023, and Dr. Hariri accepts Medicare assignment.
What services does Dr. Essa Hassan Hariri bill to Medicare?
In 2023, Dr. Hariri's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Essa Hassan Hariri prescribe most?
In 2024 Medicare Part D data, Dr. Hariri's most prescribed drugs by claims were Losartan Potassium and Rosuvastatin Calcium.
Has Dr. Essa Hassan Hariri received payments from drug or device companies?
CMS Open Payments shows $842 in general payments to Dr. Hariri from 6 companies from 2023 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Essa Hassan Hariri been practicing?
Dr. Hariri graduated from medical school in 2017, 9 years ago.
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