Dr. Michael Irving Weitzen, DO
- Medicare services, 2024
- 137
- Medicare patients, 2024
- 75
- Part D claims, 2024
- 70
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 701 North Broadway, Sleepy Hollow, NY 10591
- Practice phone
- Call (914) 366-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Weitzen'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. Michael Irving Weitzen is a general surgeon in Sleepy Hollow, New York
Dr. Weitzen practices at Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health.
Dr. Weitzen's NPI, 1255350054, was assigned on July 19, 2006. Dr. Weitzen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1999. Dr. Weitzen holds New York license 218511.
- NPI
- 1255350054NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486692159
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 366-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Irving Weitzen practices at Phelps Hospital in Sleepy Hollow, New York
Dr. Weitzen's primary practice is Phelps Hospital, at 701 North Broadway, Sleepy Hollow, NY 10591 in Westchester County. The practice phone is (914) 366-3000.
- Phelps Hospital701 North Broadway, Sleepy Hollow, NY 10591 · Westchester CountyPhone(914) 366-3000
Source: Dmand AI Affiliation Data
Dr. Michael Irving Weitzen is affiliated with 4 sites of care and 2 medical groups
Dr. Weitzen's primary practice is Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Weitzen to 2 more group practices and clinics, 1 breast imaging center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Irving Weitzen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weitzen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phelps Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Irving Weitzen is one of 1,604 general surgeons in New York
Surgery is Dr. Weitzen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Weitzen is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Weitzen
Counts of general surgeons 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 Irving Weitzen billed Medicare for 137 services in 2024
CMS data shows 137 Medicare services from Dr. Weitzen across 4 procedure codes in 2024, for 75 Medicare patients. Medicare paid $12,794 for them.
Dr. Weitzen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1452024: 1376%
- Surgery
- 2023: 112024: 0100%
Where Dr. Weitzen's Medicare services took place, 2024
- In an office4029%
- In a facility9771%
Dr. Weitzen compared with the New York median for general surgeons, 2024
- Dr. Weitzen
- New York median
- Medicare services
- 137vs 15411% below
- Medicare patients
- 75vs 10931% below
- Part D claims
- 60vs 242.5 times
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Weitzen'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Irving Weitzen treated 75 Medicare patients in 2024, average age 77
CMS counts 75 Medicare patients who saw Dr. Weitzen in 2024. The largest group is 75 to 84, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.93, 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. Weitzen's median patient age at 62, with 51% women.
Dr. Weitzen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Weitzen's Medicare patients by sex, 2024
- Women3040%
- Men4560%
Chronic conditions among Dr. Weitzen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes44%
- Ischemic heart disease44%
- Anxiety31%
- Heart failure29%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weitzen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women51%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Irving Weitzen wrote 70 Medicare Part D claims in 2024
In 2024, Dr. Weitzen wrote 70 Medicare Part D claims for 68 patients. 100% of them were for generic drugs. CMS names the drug for 60 of them, across 1 drug with 11 or more claims each, at $336 in total drug cost. In 2023, CMS named 73 claims across 1 drug.
Dr. Weitzen'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. Weitzen's Part D claims, 2024
- Opioids90%63 of 70 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: 732024: 6018%
Drugs named by CMS: 1 in 2024, 1 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
Dr. Michael Irving Weitzen 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. Weitzen for performance year 2024, reported through an alternative payment model (APM). Dr. Weitzen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Weitzen'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.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Irving Weitzen received $10,065 in industry payments from 2016 to 2025
CMS Open Payments shows 48 general payments to Dr. Weitzen from 6 drug and device companies from 2016 to 2025. Education make up the largest share, 45% of the total. Intuitive Surgical, Inc. paid the most, $7,123.
General payments to Dr. Weitzen by program year, 2016 to 2025
General payments to Dr. Weitzen by kind, 2016 to 2025
- Education$4,50045%
- Food and beverage$2,96029%
- Travel and lodging$2,60626%
Companies that paid Dr. Weitzen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Irving Weitzen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
Dr. Weitzen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Irving Weitzen'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Michael Irving Weitzen
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 Irving Weitzen's NPI number?
Dr. Michael Irving Weitzen's NPI number is 1255350054. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Irving Weitzen?
Dr. Michael Irving Weitzen is a general surgeon in Sleepy Hollow, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael Irving Weitzen practice?
Dr. Weitzen practices at 701 North Broadway, Sleepy Hollow, NY 10591. Dr. Weitzen's primary practice is Phelps Hospital in Sleepy Hollow, New York, part of Northwell Health. Dmand AI also links Dr. Weitzen to 2 group practices and clinics, 1 breast imaging center and 1 medical group.
What is Dr. Michael Irving Weitzen's office phone number?
The practice phone on file for Dr. Weitzen is (914) 366-3000.
What is Dr. Michael Irving Weitzen's medical license number?
Dr. Weitzen holds New York license 218511.
Which hospitals is Dr. Michael Irving Weitzen affiliated with?
Dr. Weitzen practices at Phelps Hospital in Sleepy Hollow, New York.
What medical group is Dr. Michael Irving Weitzen part of?
Dr. Weitzen is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Weitzen to 1 more medical group.
Does Dr. Michael Irving Weitzen accept Medicare?
Yes. CMS data shows Dr. Weitzen billed Medicare for 137 services in 2024, and Dr. Weitzen accepts Medicare assignment.
What is Dr. Michael Irving Weitzen's MIPS score?
Dr. Weitzen's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Michael Irving Weitzen see?
CMS counts 75 Medicare patients who saw Dr. Weitzen in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Michael Irving Weitzen bill to Medicare?
In 2024, Dr. Weitzen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and office visit, established patient (99213).
Where did Dr. Michael Irving Weitzen go to medical school?
Dr. Weitzen graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1999.
What drugs does Dr. Michael Irving Weitzen prescribe most?
In 2024 Medicare Part D data, Dr. Weitzen's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Michael Irving Weitzen received payments from drug or device companies?
CMS Open Payments shows $10,065 in general payments to Dr. Weitzen from 6 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Michael Irving Weitzen been practicing?
Dr. Weitzen graduated from medical school in 1999, 27 years ago.
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