Dr. Matthew Sieger, MD
- Medicare services, 2024
- 346
- Medicare patients, 2024
- 341
- Industry payments
- $418
- Affiliated sites
- 1
- Medical groups
- 5
- Practice address
- 105 Erdman Way, Leominster, MA 01453
- Practice phone
- Call (978) 537-7552
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Central Massachusetts Ambulatory Endoscopy Center
Surgery Center - Medicare-Certified · Leominster, Massachusetts
Find Dr. Sieger'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. Matthew Sieger is an anesthesiologist in Leominster, Massachusetts
Dr. Sieger practices at Central Massachusetts Ambulatory Endoscopy Center in Leominster, Massachusetts.
Dr. Sieger's NPI, 1083807549, was assigned on August 19, 2007. Dr. Sieger graduated from Icahn School of Medicine at Mount Sinai in 2006. Dr. Sieger holds New York license 390200000X.
- NPI
- 1083807549NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476679887
- NPI enumeration date
- August 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 537-7552
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Sieger practices at Central Massachusetts Ambulatory Endoscopy Center in Leominster, Massachusetts
Dr. Sieger's primary practice is Central Massachusetts Ambulatory Endoscopy Center, at 105 Erdman Way, Leominster, MA 01453. The practice phone is (978) 537-7552.
- Central Massachusetts Ambulatory Endoscopy Center105 Erdman Way, Leominster, MA 01453Phone(978) 537-7552
Source: Dmand AI Affiliation Data
Dr. Matthew Sieger is affiliated with 1 site of care and 5 medical groups
Dr. Sieger's primary practice is Central Massachusetts Ambulatory Endoscopy Center in Leominster, Massachusetts. The medical group on file is Steward Medical Group. Dmand AI also links Dr. Sieger to 4 more 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. Matthew Sieger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sieger practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Massachusetts Ambulatory Endoscopy Center | Available with a free account |
| +4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matthew Sieger is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Sieger's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Sieger is licensed in New York.
Specialties and state licenses
- Anesthesiology, New YorkPrimary
Anesthesiologists near Dr. Sieger
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. Matthew Sieger billed Medicare for 346 services in 2024
CMS data shows 346 Medicare services from Dr. Sieger across 4 procedure codes in 2024, for 341 Medicare patients. Medicare paid $34,501 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sieger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2712024: 34628%
Dr. Sieger compared with the Massachusetts median for anesthesiologists, 2024
- Dr. Sieger
- Massachusetts median
- Medicare services
- 346vs 1262.7 times
- Medicare patients
- 341vs 20071% above
Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sieger'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. Sieger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sieger and other anesthesiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Sieger treated 341 Medicare patients in 2024, average age 71
CMS counts 341 Medicare patients who saw Dr. Sieger in 2024. The largest group is 65 to 74, with 189 patients. 74% of them have high cholesterol, and 64% have high blood pressure. 21% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sieger's median patient age at 61, with 58% women.
Dr. Sieger's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sieger's Medicare patients by sex, 2024
- Women18153%
- Men16047%
Chronic conditions among Dr. Sieger's Medicare patients, 2024
- High cholesterol74%
- High blood pressure64%
- Arthritis47%
- Anxiety27%
- Mood disorders24%
- Diabetes22%
- Depression21%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sieger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Matthew Sieger takes part in Medicare
Dr. Sieger 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Matthew Sieger received $418 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Sieger from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $154.
General payments to Dr. Sieger by program year, 2016 to 2025
Companies that paid Dr. Sieger 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. Matthew Sieger graduated from Icahn School of Medicine at Mount Sinai
Dr. Sieger graduated from Icahn School of Medicine at Mount Sinai in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Sieger'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) |
| 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) |
| 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. Matthew Sieger
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. Matthew Sieger's NPI number?
Dr. Matthew Sieger's NPI number is 1083807549. It was assigned on August 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Sieger?
Dr. Matthew Sieger is an anesthesiologist in Leominster, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Matthew Sieger practice?
Dr. Sieger practices at 105 Erdman Way, Leominster, MA 01453. Dr. Sieger's primary practice is Central Massachusetts Ambulatory Endoscopy Center in Leominster, Massachusetts. Dmand AI also links Dr. Sieger to 4 medical groups.
What is Dr. Matthew Sieger's office phone number?
The practice phone on file for Dr. Sieger is (978) 537-7552.
What is Dr. Matthew Sieger's medical license number?
Dr. Sieger holds New York license 390200000X.
What medical group is Dr. Matthew Sieger part of?
Dr. Sieger is linked to Steward Medical Group. Dmand AI links Dr. Sieger to 4 more medical groups.
Does Dr. Matthew Sieger accept Medicare?
Yes. CMS data shows Dr. Sieger billed Medicare for 346 services in 2024, and Dr. Sieger accepts Medicare assignment.
How many Medicare patients does Dr. Matthew Sieger see?
CMS counts 341 Medicare patients who saw Dr. Sieger in 2024, with an average age of 71.
What services does Dr. Matthew Sieger bill to Medicare?
In 2024, Dr. Sieger's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00812).
Where did Dr. Matthew Sieger go to medical school?
Dr. Sieger graduated from Icahn School of Medicine at Mount Sinai in 2006.
Has Dr. Matthew Sieger received payments from drug or device companies?
CMS Open Payments shows $418 in general payments to Dr. Sieger from 7 companies from 2016 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Matthew Sieger been practicing?
Dr. Sieger graduated from medical school in 2006, 20 years ago.
Selling to anesthesiology practices?
See anesthesiologists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card