Dr. Michael A. Herzig, MD
- Medicare services, 2024
- 105
- Medicare patients, 2024
- 137
- Hospital affiliations
- 1
- Industry payments
- $160
- Medical groups
- 4
- Practice address
- 41 Highland Avenue, Winchester, MA 01890
- Practice phone
- Call (781) 729-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herzig's professional email, personal email and mobile number
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Dr. Michael A. Herzig is an anesthesiologist in Winchester, Massachusetts
Dr. Herzig practices at Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health.
Dr. Herzig's NPI, 1457336372, was assigned on December 14, 2005. Dr. Herzig graduated from Johns Hopkins University School of Medicine in 1989. Dr. Herzig holds Massachusetts license 75007.
- NPI
- 1457336372NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961507892
- NPI enumeration date
- December 14, 2005
- NPI status
- Active
- Practice phone
- (781) 729-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael A. Herzig practices at Winchester Hospital in Winchester, Massachusetts
Dr. Herzig's primary practice is Winchester Hospital, at 41 Highland Avenue, Winchester, MA 01890 in Middlesex County. The practice phone is (781) 729-9000.
- Winchester Hospital41 Highland Avenue, Winchester, MA 01890 · Middlesex CountyPhone(781) 729-9000
Source: Dmand AI Affiliation Data
Dr. Michael A. Herzig is affiliated with 5 sites of care and 4 medical groups
Dr. Herzig's primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Capa Anesthesia. Dmand AI also links Dr. Herzig to 4 more group practices and clinics and 3 medical groups, 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 A. Herzig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herzig practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winchester Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Herzig is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Herzig's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Herzig is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Herzig
Counts of anesthesiologists 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 A. Herzig billed Medicare for 105 services in 2024
CMS data shows 105 Medicare services from Dr. Herzig across 5 procedure codes in 2024, for 137 Medicare patients. Medicare paid $8,317 for them.
Dr. Herzig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 962024: 942%
- Imaging
- 2023: 162024: 1131%
- Surgery
- 2023: 142024: 0100%
Where Dr. Herzig's Medicare services took place, 2024
- In an office8278%
- In a facility2322%
Dr. Herzig compared with the Massachusetts median for anesthesiologists, 2024
- Dr. Herzig
- Massachusetts median
- Medicare services
- 105vs 12617% below
- Medicare patients
- 137vs 20031% below
Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Herzig'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.
Need commercial claims for Dr. Herzig?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herzig and other anesthesiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Herzig treated 137 Medicare patients in 2024, average age 72
CMS counts 137 Medicare patients who saw Dr. Herzig in 2024. The largest group is 65 to 74, with 91 patients. 72% of them have high cholesterol, and 57% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herzig's median patient age at 56, with 48% women.
Dr. Herzig's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Herzig's Medicare patients by sex, 2024
- Women7958%
- Men5842%
Chronic conditions among Dr. Herzig's Medicare patients, 2024
- High cholesterol72%
- High blood pressure57%
- Arthritis50%
- Mood disorders27%
- Depression23%
- Anxiety22%
- Diabetes20%
- Osteoporosis20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herzig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women48%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Michael A. Herzig received $160 in industry payments from 2020 to 2023
CMS Open Payments shows 3 general payments to Dr. Herzig from 3 drug and device companies from 2020 to 2023. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $108.
General payments to Dr. Herzig by program year, 2020 to 2023
Companies that paid Dr. Herzig the most, 2020 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael A. Herzig graduated from Johns Hopkins University School of Medicine
Dr. Herzig graduated from Johns Hopkins University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael A. Herzig'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) |
| 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 A. Herzig
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 A. Herzig's NPI number?
Dr. Michael A. Herzig's NPI number is 1457336372. It was assigned on December 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Herzig?
Dr. Michael A. Herzig is an anesthesiologist in Winchester, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Michael A. Herzig practice?
Dr. Herzig practices at 41 Highland Avenue, Winchester, MA 01890. Dr. Herzig's primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Herzig to 4 group practices and clinics and 3 medical groups.
What is Dr. Michael A. Herzig's office phone number?
The practice phone on file for Dr. Herzig is (781) 729-9000.
What is Dr. Michael A. Herzig's medical license number?
Dr. Herzig holds Massachusetts license 75007.
Which hospitals is Dr. Michael A. Herzig affiliated with?
Dr. Herzig practices at Winchester Hospital in Winchester, Massachusetts.
What medical group is Dr. Michael A. Herzig part of?
Dr. Herzig is linked to Capa Anesthesia. Dmand AI links Dr. Herzig to 3 more medical groups.
Does Dr. Michael A. Herzig accept Medicare?
Yes. CMS data shows Dr. Herzig billed Medicare for 105 services in 2024.
How many Medicare patients does Dr. Michael A. Herzig see?
CMS counts 137 Medicare patients who saw Dr. Herzig in 2024, with an average age of 72.
What services does Dr. Michael A. Herzig bill to Medicare?
In 2024, Dr. Herzig's most billed Medicare services were anesthesia (00811), anesthesia (00812) and anesthesia (00813).
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Where did Dr. Michael A. Herzig go to medical school?
Dr. Herzig graduated from Johns Hopkins University School of Medicine in 1989.
Has Dr. Michael A. Herzig received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to Dr. Herzig from 3 companies from 2020 to 2023. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Michael A. Herzig been practicing?
Dr. Herzig graduated from medical school in 1989, 37 years ago.
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