Dr. Howard Eison, MD
- Part D claims, 2024
- 732
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 5 Perryridge Rd, Greenwich, CT 06830
- Practice phone
- Call (203) 863-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Eison'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.
Dr. Howard Eison is an internist in Greenwich, Connecticut
Dr. Eison practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Dr. Eison's NPI, 1427197086, was assigned on February 6, 2007. Dr. Eison graduated from Albert Einstein College of Medicine of Yeshiva University in 1983. Dr. Eison holds Connecticut license 028883.
- NPI
- 1427197086NPI Registry (opens in a new tab)
- NPI enumeration date
- February 6, 2007
- NPI status
- Active
- Practice phone
- (203) 863-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Howard Eison practices at Greenwich Hospital in Greenwich, Connecticut
Dr. Eison's primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.
- Greenwich Hospital5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000
Source: Dmand AI Affiliation Data
Dr. Howard Eison is affiliated with 1 site of care
Dr. Eison's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Howard Eison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eison practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenwich Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Howard Eison is one of 2,189 internists in Connecticut
Internal medicine is Dr. Eison's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Eison is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Eison
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. Howard Eison's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Eison's median patient age at 71, with 53% women.
Dr. Eison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Howard Eison wrote 732 Medicare Part D claims in 2024
In 2024, Dr. Eison wrote 732 Medicare Part D claims for 41 patients. 89% of them were for generic drugs. CMS names the drug for 355 of them, across 14 drugs with 11 or more claims each, at $24,661 in total drug cost. In 2023, CMS named 280 claims across 14 drugs.
Dr. Eison's Part D claims by kind of drug, 2024
- Generic651 claims89%
- Brand-name and other81 claims11%
Dr. Eison'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. Eison's Part D claims, 2024
- Opioids9%68 of 732 claims
- Antibiotics4%28 of 732 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: 2802024: 35527%
Drugs named by CMS: 14 in 2024, 14 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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Dr. Howard Eison graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Eison graduated from Albert Einstein College of Medicine of Yeshiva University in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Howard Eison'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 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) |
| 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. Howard Eison
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. Howard Eison's NPI number?
Dr. Howard Eison's NPI number is 1427197086. It was assigned on February 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Howard Eison?
Dr. Howard Eison is an internist in Greenwich, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Howard Eison practice?
Dr. Eison practices at 5 Perryridge Rd, Greenwich, CT 06830. Dr. Eison's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
What is Dr. Howard Eison's office phone number?
The practice phone on file for Dr. Eison is (203) 863-3000.
What is Dr. Howard Eison's medical license number?
Dr. Eison holds Connecticut license 028883.
Which hospitals is Dr. Howard Eison affiliated with?
Dr. Eison practices at Greenwich Hospital in Greenwich, Connecticut.
Where did Dr. Howard Eison go to medical school?
Dr. Eison graduated from Albert Einstein College of Medicine of Yeshiva University in 1983.
What drugs does Dr. Howard Eison prescribe most?
In 2024 Medicare Part D data, Dr. Eison's most prescribed drugs by claims were Atorvastatin Calcium, Oxycodone HCl and Levothyroxine Sodium.
How long has Dr. Howard Eison been practicing?
Dr. Eison graduated from medical school in 1983, 43 years ago.
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