Dr. Michael I. Oppenheim, MD

  • Manhasset, NY
  • Infectious disease specialist
NPI1831260835PAC ID0244311785
Medicare services, 2024
61
Medicare patients, 2024
57
Part D claims, 2024
319
MIPS score, 2024
93
Hospital affiliations
1
Practice address
400 Community Dr, Manhasset, NY 11030
Practice phone
Call (516) 321-7400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwell Health Physician Partners Cardiology

Manhasset, New York

See all 4 affiliations

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Dr. Michael I. Oppenheim is an infectious disease specialist in Manhasset, New York

Dr. Oppenheim practices at Northwell Health Physician Partners Cardiology in Manhasset, New York.

Dr. Oppenheim's NPI, 1831260835, was assigned on November 13, 2006. Dr. Oppenheim graduated from Yale School of Medicine in 1993. Dr. Oppenheim holds New York license 200119.

NPI and contact details
Medicare PAC ID
0244311785
NPI enumeration date
November 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(516) 321-7400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael I. Oppenheim practices at Northwell Health Physician Partners Cardiology in Manhasset, New York

Dr. Oppenheim's primary practice is Northwell Health Physician Partners Cardiology, at 400 Community Dr, Manhasset, NY 11030 in Nassau County. The practice phone is (516) 321-7400.

  • Northwell Health Physician Partners Cardiology
    400 Community Dr, Manhasset, NY 11030 · Nassau CountyPhone(516) 321-7400

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michael I. Oppenheim is affiliated with 3 sites of care and 1 medical group

Dr. Oppenheim's primary practice is Northwell Health Physician Partners Cardiology in Manhasset, New York. Dr. Oppenheim is also affiliated with North Shore University Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Oppenheim to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Oppenheim

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Michael I. Oppenheim's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oppenheim practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwell Health Physician Partners CardiologyAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael I. Oppenheim is one of 825 infectious disease specialists in New York

Infectious disease is Dr. Oppenheim's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Oppenheim is licensed in New York.

Specialties and state licenses

  • Infectious disease, New YorkPrimaryLicense 200119 · taxonomy 207RI0200X

Infectious disease specialists near Dr. Oppenheim

Counts of infectious disease specialists 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. Michael I. Oppenheim billed Medicare for 61 services in 2024

CMS data shows 61 Medicare services from Dr. Oppenheim across 1 procedure code in 2024, all of them office visits, for 57 Medicare patients. Medicare paid $3,016 for them. Every service was in an office.

Medicare services, 202461
Medicare patients57
Paid by Medicare$3,016
Procedure codes1

Dr. Oppenheim's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 662024: 618%

Dr. Oppenheim compared with the New York median for infectious disease specialists, 2024

  • Dr. Oppenheim
  • New York median
Medicare services
61vs 23874% below
Medicare patients
57vs 13457% below
Part D claims
200vs 16223% above

Medians across 791 infectious disease specialists in New York with Dmand AI profiles that report each measure.

Dr. Oppenheim'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.

See all procedures by Dr. Oppenheim

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael I. Oppenheim treated 57 Medicare patients in 2024, average age 75

CMS counts 57 Medicare patients who saw Dr. Oppenheim in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.50, 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. Oppenheim's median patient age at 65, with 62% women.

Medicare patients, 202457
Average age75
Average risk score2.50
Also on Medicaid39%

Dr. Oppenheim's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Oppenheim's Medicare patients by sex, 2024

  • Women3358%
  • Men2442%

Chronic conditions among Dr. Oppenheim's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis70%
  4. Ischemic heart disease51%
  5. Diabetes47%
  6. COPD46%
  7. Chronic kidney disease35%
  8. Depression33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Oppenheim's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women62%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael I. Oppenheim wrote 319 Medicare Part D claims in 2024

In 2024, Dr. Oppenheim wrote 319 Medicare Part D claims for 51 patients. 93% of them were for generic drugs. CMS names the drug for 200 of them, across 9 drugs with 11 or more claims each, at $196,665 in total drug cost. In 2023, CMS named 134 claims across 9 drugs.

Part D claims, 2024319
Drugs named by CMS9
Total drug cost$196,665
Part D patients51

Dr. Oppenheim's Part D claims by kind of drug, 2024

  • Generic297 claims93%
  • Brand-name and other22 claims7%

Dr. Oppenheim'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. Oppenheim's Part D claims, 2024

  • Antibiotics56%179 of 319 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: 1342024: 20049%

Drugs named by CMS: 9 in 2024, 9 in 2023.

See all prescribing by Dr. Oppenheim

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. Michael I. Oppenheim scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Oppenheim for performance year 2024, reported through an alternative payment model (APM). Dr. Oppenheim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Oppenheim as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Oppenheim's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

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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Dr. Michael I. Oppenheim graduated from Yale School of Medicine

Dr. Oppenheim graduated from Yale School of Medicine in 1993.

  1. Medical schoolYale School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael I. Oppenheim's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael I. Oppenheim

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. Michael I. Oppenheim's NPI number?

Dr. Michael I. Oppenheim's NPI number is 1831260835. It was assigned on November 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael I. Oppenheim?

Dr. Michael I. Oppenheim is an infectious disease specialist in Manhasset, New York. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Michael I. Oppenheim practice?

Dr. Oppenheim practices at 400 Community Dr, Manhasset, NY 11030. Dr. Oppenheim's primary practice is Northwell Health Physician Partners Cardiology in Manhasset, New York. Dmand AI also links Dr. Oppenheim to 1 group practice or clinic.

What is Dr. Michael I. Oppenheim's office phone number?

The practice phone on file for Dr. Oppenheim is (516) 321-7400.

What is Dr. Michael I. Oppenheim's medical license number?

Dr. Oppenheim holds New York license 200119.

Which hospitals is Dr. Michael I. Oppenheim affiliated with?

Dr. Oppenheim is affiliated with North Shore University Hospital.

What medical group is Dr. Michael I. Oppenheim part of?

Dr. Oppenheim is linked to Northwell Health Physician Partners Cardiology at Great Neck.

Does Dr. Michael I. Oppenheim accept Medicare?

Yes. CMS data shows Dr. Oppenheim billed Medicare for 61 services in 2024, and Dr. Oppenheim accepts Medicare assignment.

Does Dr. Michael I. Oppenheim offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Oppenheim as offering telehealth services.

What is Dr. Michael I. Oppenheim's MIPS score?

Dr. Oppenheim's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Michael I. Oppenheim see?

CMS counts 57 Medicare patients who saw Dr. Oppenheim in 2024, with an average age of 75.

What services does Dr. Michael I. Oppenheim bill to Medicare?

In 2024, Dr. Oppenheim's most billed Medicare services were office visit, established patient (99212).

Where did Dr. Michael I. Oppenheim go to medical school?

Dr. Oppenheim graduated from Yale School of Medicine in 1993.

What drugs does Dr. Michael I. Oppenheim prescribe most?

In 2024 Medicare Part D data, Dr. Oppenheim's most prescribed drugs by claims were Methenamine Hippurate, Rifampin and Cephalexin.

How long has Dr. Michael I. Oppenheim been practicing?

Dr. Oppenheim graduated from medical school in 1993, 33 years ago.

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