Glob Adv Integr Med Health
Dr. Donna Felsenstein, MD
- Medicare services, 2024
- 161
- Medicare patients, 2024
- 90
- Part D claims, 2024
- 140
- Publications
- 21
- Clinical trials
- 1
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Felsenstein'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. Donna Felsenstein is an internist in Boston, Massachusetts
Dr. Felsenstein practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Felsenstein's NPI, 1407832991, was assigned on December 16, 2005. Dr. Felsenstein graduated from Harvard Medical School in 1978. Dr. Felsenstein's Massachusetts license number on file is 53111.
- NPI
- 1407832991NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507845294
- NPI enumeration date
- December 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Donna Felsenstein practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Felsenstein's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Donna Felsenstein is affiliated with 5 sites of care and 2 medical groups
Dr. Felsenstein's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Felsenstein is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Felsenstein to 2 more hospitals, 1 community health center and 1 medical group, each named with a free account. Dr. Felsenstein's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Donna Felsenstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Felsenstein practices, 5 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 |
| +4 more sites and 1 medical group | 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Donna Felsenstein is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Felsenstein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Felsenstein is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Felsenstein's licenses on file in 4 states: Massachusetts, Rhode Island, Maine and New Hampshire.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
- Rhode Island license
- Maine license
- New Hampshire license
Clinical focus
Dmand AI lists cold sores or genital herpes and lyme disease among the conditions Dr. Felsenstein treats.
Internists near Dr. Felsenstein
Counts of internists 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. Donna Felsenstein billed Medicare for 161 services in 2024
CMS data shows 161 Medicare services from Dr. Felsenstein across 2 procedure codes in 2024, all of them office visits, for 90 Medicare patients. Medicare paid $21,464 for them.
Dr. Felsenstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1522024: 1616%
Where Dr. Felsenstein's Medicare services took place, 2024
- In an office12980%
- In a facility3220%
Dr. Felsenstein compared with the Massachusetts median for internists, 2024
- Dr. Felsenstein
- Massachusetts median
- Medicare services
- 161vs 43163% below
- Medicare patients
- 90vs 19454% below
- Part D claims
- 99vs 40275% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Felsenstein'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. Felsenstein?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Felsenstein and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Donna Felsenstein treated 90 Medicare patients in 2024, average age 61
CMS counts 90 Medicare patients who saw Dr. Felsenstein in 2024. The largest group is under 65, with 47 patients. 64% of them have anxiety, and 52% have mood disorders. 50% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Felsenstein's median patient age at 64, with 74% women.
Dr. Felsenstein's Medicare patients by age, 2024
Dr. Felsenstein's Medicare patients by sex, 2024
- Women6977%
- Men2123%
Chronic conditions among Dr. Felsenstein's Medicare patients, 2024
- Anxiety64%
- Mood disorders52%
- High cholesterol51%
- Arthritis50%
- Depression47%
- High blood pressure47%
- Asthma24%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Felsenstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Donna Felsenstein wrote 140 Medicare Part D claims in 2024
In 2024, Dr. Felsenstein wrote 140 Medicare Part D claims for 41 patients. 94% of them were for generic drugs. CMS names the drug for 99 of them, across 4 drugs with 11 or more claims each, at $5,038 in total drug cost. In 2023, CMS named 115 claims across 5 drugs.
Dr. Felsenstein's Part D claims by kind of drug, 2024
- Generic131 claims94%
- Brand-name and other9 claims6%
Dr. Felsenstein'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1152024: 9914%
Drugs named by CMS: 4 in 2024, 5 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. Donna Felsenstein offers telehealth to Medicare patients
Dr. Felsenstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Felsenstein as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Donna Felsenstein has 21 publications on record
Dmand AI links 21 papers to Dr. Felsenstein, published from 2010 to 2024. 2010 was the busiest year, with 2. The most frequent topics are Fatigue Syndrome, Chronic, HIV Infections and Small Fiber Neuropathy. Dr. Felsenstein has published most often in PLoS One. Dr. Felsenstein's most frequent co-authors are David Murray Systrom, MD, Peter Novak, MD and William J. Mullally, MD.
Dr. Felsenstein's papers by year, 2010 to 2024
Topics Dr. Felsenstein writes about most
- Fatigue Syndrome, Chronic
- HIV Infections
- Small Fiber Neuropathy
- Acquired Immunodeficiency Syndrome
- Acyclovir
- Anti-Bacterial Agents
- Biopsy
- Blood Pressure
Dr. Felsenstein's most frequent co-authors
- David Murray Systrom, MD5 shared papers
- Peter Novak, MD4 shared papers
- William J. Mullally, MD3 shared papers
Recent publications by Dr. Felsenstein
Ann Neurol
See who Dr. Felsenstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Felsenstein works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Donna Felsenstein has worked on 1 clinical trial
Dmand AI links Dr. Felsenstein to 1 clinical trial. Conditions studied include Herpes Genitalis and Herpes Simplex.
Conditions in Dr. Felsenstein's trials
- Herpes Genitalis
- Herpes Simplex
Recent clinical trials with Dr. Felsenstein
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Donna Felsenstein graduated from Harvard Medical School
Dr. Felsenstein graduated from Harvard Medical School in 1978.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Donna Felsenstein accepts plans from 9 insurance carriers
Dr. Felsenstein is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Blue Cross Blue Shield of Michigan
- CMS Medicare
- RI State Medicaid
- +1 more carriersWith a free account
Plan types Dr. Felsenstein accepts, by number of carriers
- Medicare5
- PPO5
- HMO4
- Medicaid2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Donna Felsenstein'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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Donna Felsenstein
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. Donna Felsenstein's NPI number?
Dr. Donna Felsenstein's NPI number is 1407832991. It was assigned on December 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Donna Felsenstein?
Dr. Donna Felsenstein is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Donna Felsenstein practice?
Dr. Felsenstein practices at 55 Fruit Street, Boston, MA 02114. Dr. Felsenstein's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Felsenstein to 2 hospitals, 1 community health center and 1 medical group.
What is Dr. Donna Felsenstein's office phone number?
The practice phone on file for Dr. Felsenstein is (617) 726-2000.
What is Dr. Donna Felsenstein's medical license number?
Dr. Felsenstein's Massachusetts license number on file is 53111, one of the licenses on file in 4 states.
Which states has Dr. Donna Felsenstein been licensed in?
Dmand AI has state licenses on file for Dr. Felsenstein in Massachusetts (1984 to 2025), Rhode Island (2021 to 2026), Maine (2021 to 2025) and New Hampshire (2021 to 2025).
Which hospitals is Dr. Donna Felsenstein affiliated with?
Dr. Felsenstein practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Felsenstein is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Felsenstein to 2 more hospitals.
What medical group is Dr. Donna Felsenstein part of?
Dr. Felsenstein is linked to Massachusetts General Hospital. Dmand AI links Dr. Felsenstein to 1 more medical group.
Does Dr. Donna Felsenstein accept Medicare?
Yes. CMS data shows Dr. Felsenstein billed Medicare for 161 services in 2024, and Dr. Felsenstein accepts Medicare assignment.
Does Dr. Donna Felsenstein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Felsenstein as offering telehealth services.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Donna Felsenstein see?
CMS counts 90 Medicare patients who saw Dr. Felsenstein in 2024, with an average age of 61.
Is Dr. Donna Felsenstein board certified?
Yes. Dr. Felsenstein is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Donna Felsenstein bill to Medicare?
In 2024, Dr. Felsenstein's most billed Medicare services were office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Donna Felsenstein go to medical school?
Dr. Felsenstein graduated from Harvard Medical School in 1978.
What drugs does Dr. Donna Felsenstein prescribe most?
In 2024 Medicare Part D data, Dr. Felsenstein's most prescribed drugs by claims were Pyridostigmine Bromide, Valacyclovir and Famotidine.
How long has Dr. Donna Felsenstein been practicing?
Dr. Felsenstein graduated from medical school in 1978, 48 years ago.
Does Dr. Donna Felsenstein do research?
Dmand AI links 21 publications to Dr. Felsenstein, published from 2010 to 2024. Dr. Felsenstein has worked on 1 clinical trial.
Who does Dr. Donna Felsenstein publish with?
Dr. Felsenstein's most frequent co-authors are David Murray Systrom, MD (5 shared papers), Peter Novak, MD (4 shared papers) and William J. Mullally, MD (3 shared papers).
What insurance does Dr. Donna Felsenstein accept?
Dr. Felsenstein is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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