Paraneoplastic Syndromes in the Orbit and Ocular Adnexa: A Comprehensive Review (opens in a new tab)
Int Ophthalmol Clin
Primary practice
Find Dr. Freitag'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. Freitag practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Freitag's NPI, 1710974464, was assigned on September 28, 2005. Dr. Freitag graduated from Jefferson Medical College of Thomas Jefferson University in 1994. Dr. Freitag holds Massachusetts license 160016.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Freitag's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
Source: Dmand AI Affiliation Data
Dr. Freitag's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Freitag is also affiliated with Brigham and Women's Hospital. The medical group on file is Dermcare Physicians and Surgeons. Dmand AI also links Dr. Freitag to 1 more hospital, 3 group practices and clinics, 3 medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Freitag practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Ophthalmology is Dr. Freitag's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Freitag is licensed in Massachusetts.
Counts of ophthalmologists 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
CMS data shows 1,523 Medicare services from Dr. Freitag across 15 procedure codes in 2024, for 615 Medicare patients. Medicare paid $122,310 for them.
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Freitag and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 615 Medicare patients who saw Dr. Freitag in 2024. The largest group is 65 to 74, with 251 patients. 74% of them have high cholesterol, and 64% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Freitag's median patient age at 72, with 68% women.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 72
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2024, Dr. Freitag wrote 68 Medicare Part D claims for 48 patients. 87% of them were for generic drugs. CMS names the drug for 46 of them, across 1 drug with 11 or more claims each, at $480 in total drug cost. In 2023, CMS named 55 claims across 1 drug.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Freitag accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dmand AI links 154 papers to Dr. Freitag, published from 2012 to 2025. 2016 was the busiest year, with 11. The most frequent topics are Graves Ophthalmopathy, Orbital Neoplasms and Tomography, X-Ray Computed. Dr. Freitag has published most often in Ophthalmic Plast Reconstr Surg. Dr. Freitag's most frequent co-authors are Nahyoung Grace Lee, MD, Natalie Wolkow, MD, PhD and Daniel Robert Lefebvre, MD.
Topics Dr. Freitag writes about most
Int Ophthalmol Clin
Br J Ophthalmol
Ophthalmic Plast Reconstr Surg
See who Dr. Freitag researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Freitag works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dmand AI links Dr. Freitag to 1 clinical trial. Conditions studied include Graves Ophthalmopathy and Exophthalmos.
Conditions in Dr. Freitag's trials
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
CMS Open Payments shows 81 general payments to Dr. Freitag from 16 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 54% of the total. Amgen Inc. paid the most, $49,513.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Freitag graduated from Jefferson Medical College of Thomas Jefferson University in 1994.
Source: Dmand AI Professional 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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
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Dr. Suzanne K. Freitag's NPI number is 1710974464. It was assigned on September 28, 2005, and it is active in the NPI Registry.
Dr. Suzanne K. Freitag is an ophthalmologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Dr. Freitag practices at 55 Fruit Street, Boston, MA 02114. Dr. Freitag's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Freitag to 1 hospital, 3 group practices and clinics, 3 medical groups and 1 community health center.
The practice phone on file for Dr. Freitag is (617) 726-2000.
Dr. Freitag holds Massachusetts license 160016.
Dr. Freitag practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Freitag is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Freitag to 1 more hospital.
Dr. Freitag is linked to Dermcare Physicians and Surgeons. Dmand AI links Dr. Freitag to 3 more medical groups.
Yes. CMS data shows Dr. Freitag billed Medicare for 1,523 services in 2024, and Dr. Freitag accepts Medicare assignment.
CMS counts 615 Medicare patients who saw Dr. Freitag in 2024, with an average age of 74.
In 2024, Dr. Freitag's most billed Medicare services were eye exam or test (92285), office visit, established patient (99214) and office visit, new patient (99204).
Dr. Freitag graduated from Jefferson Medical College of Thomas Jefferson University in 1994.
In 2024 Medicare Part D data, Dr. Freitag's most prescribed drugs by claims were Erythromycin.
CMS Open Payments shows $95,536 in general payments to Dr. Freitag from 16 companies from 2019 to 2025. The largest total came from Amgen Inc.
Dr. Freitag graduated from medical school in 1994, 32 years ago.
Dmand AI links 154 publications to Dr. Freitag, published from 2012 to 2025. Dr. Freitag has worked on 1 clinical trial.
Dr. Freitag's most frequent co-authors are Nahyoung Grace Lee, MD (32 shared papers), Natalie Wolkow, MD, PhD (23 shared papers) and Daniel Robert Lefebvre, MD (21 shared papers).
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