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Dr. Ingrid T. Katz, MD
NPI1043235740
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 29
- Publications
- 83
- Medical group
- 1
- Practice address
- 75 Francis Street, Boston, MA
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Katz's professional email, personal email and mobile number
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Dr. Ingrid T. Katz is an internist in Boston, Massachusetts
Dr. Katz practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Katz's NPI, 1043235740, was assigned on July 13, 2006. Dr. Katz graduated from University of California, San Francisco School of Medicine in 2003. Dr. Katz holds Massachusetts license 227912.
NPI and contact details
- NPI
- 1043235740NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ingrid T. Katz practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Katz's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Ingrid T. Katz is affiliated with 1 medical group
Dr. Katz's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Brigham and Women's Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ingrid T. Katz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Katz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Ingrid T. Katz is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Katz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Katz is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Katz
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
5,528internists in Massachusetts1,712internists in Boston299internists at Brigham and Women's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ingrid T. Katz billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Dr. Katz across 1 procedure code in 2024, all of them office visits, for 33 Medicare patients. Medicare paid $2,081 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202428
Medicare patients33
Paid by Medicare$2,081
Procedure codes1
Dr. Katz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 632024: 2856%
Dr. Katz compared with the Massachusetts median for internists, 2024
- Dr. Katz
- Massachusetts median
- Medicare services
- 28vs 43194% below
- Medicare patients
- 33vs 19483% below
- Part D claims
- 39vs 40290% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Katz'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. Ingrid T. Katz treated 33 Medicare patients in 2024, average age 69
CMS counts 33 Medicare patients who saw Dr. Katz in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have high blood pressure, and 61% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Katz's median patient age at 66, with 100% women.
Medicare patients, 202433
Average age69
Average risk score1.47
Also on Medicaid45%
Dr. Katz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Katz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol61%
- Arthritis58%
- Diabetes45%
- Anxiety36%
- Chronic kidney disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Katz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ingrid T. Katz wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Katz wrote 29 Medicare Part D claims for 15 patients. 76% of them were for generic drugs. They cover 2 drugs, with $311 in total drug cost.
Part D claims, 202429
Drugs named by CMS2
Total drug cost$311
Part D patients15
Dr. Katz's Part D claims by kind of drug, 2024
- Generic22 claims76%
- Brand-name and other7 claims24%
Dr. Katz's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. Ingrid T. Katz has 83 publications on record
Dmand AI links 83 papers to Dr. Katz, published from 2012 to 2025. 2020 was the busiest year, with 9. The most frequent topics are HIV Infections, South Africa and Anti-HIV Agents. Dr. Katz has published most often in AIDS Behav. Dr. Katz's most frequent co-authors are Alexi Anne Wright, MD, Mark Jacob Siedner, MD and Connie L. Celum.
Papers83
Years published2012 to 2025
Dr. Katz's papers by year, 2016 to 2025
Topics Dr. Katz writes about most
- HIV Infections
- South Africa
- Anti-HIV Agents
- Qualitative Research
- Anti-Retroviral Agents
- Patient Acceptance of Health Care
- Pre-Exposure Prophylaxis
- Health Knowledge, Attitudes, Practice
Dr. Katz's most frequent co-authors
- Alexi Anne Wright, MD9 shared papers
- Mark Jacob Siedner, MD5 shared papers
- Connie L. Celum3 shared papers
Recent publications by Dr. Katz
Delivery of Health CareFocus GroupsHealth Knowledge, Attitudes, Practice
Glob Public Health
Climate ChangeGlobal HealthHealth Equity
Anti-HIV AgentsCD4 Lymphocyte CountCOVID-19
See who Dr. Katz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Katz 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. Ingrid T. Katz graduated from University of California, San Francisco School of Medicine
Dr. Katz graduated from University of California, San Francisco School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ingrid T. Katz'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Ingrid T. Katz
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. Ingrid T. Katz's NPI number?
Dr. Ingrid T. Katz's NPI number is 1043235740. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ingrid T. Katz?
Dr. Ingrid T. Katz is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ingrid T. Katz practice?
Dr. Katz practices at 75 Francis Street, Boston, MA. Dr. Katz's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
What is Dr. Ingrid T. Katz's office phone number?
The practice phone on file for Dr. Katz is (617) 732-5500.
What is Dr. Ingrid T. Katz's medical license number?
Dr. Katz holds Massachusetts license 227912.
Which hospitals is Dr. Ingrid T. Katz affiliated with?
Dr. Katz practices at Brigham and Women's Hospital in Boston, Massachusetts.
What medical group is Dr. Ingrid T. Katz part of?
Dr. Katz is linked to Brigham and Women's Hospital.
Does Dr. Ingrid T. Katz accept Medicare?
Yes. CMS data shows Dr. Katz billed Medicare for 28 services in 2024.
How many Medicare patients does Dr. Ingrid T. Katz see?
CMS counts 33 Medicare patients who saw Dr. Katz in 2024, with an average age of 69.
What services does Dr. Ingrid T. Katz bill to Medicare?
In 2024, Dr. Katz's most billed Medicare services were office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Dr. Ingrid T. Katz go to medical school?
Dr. Katz graduated from University of California, San Francisco School of Medicine in 2003.
What drugs does Dr. Ingrid T. Katz prescribe most?
In 2020 Medicare Part D data, Dr. Katz's most prescribed drugs by claims were Lisinopril and Atorvastatin Calcium.
How long has Dr. Ingrid T. Katz been practicing?
Dr. Katz graduated from medical school in 2003, 23 years ago.
Does Dr. Ingrid T. Katz do research?
Dmand AI links 83 publications to Dr. Katz, published from 2012 to 2025.
Who does Dr. Ingrid T. Katz publish with?
Dr. Katz's most frequent co-authors are Alexi Anne Wright, MD (9 shared papers), Mark Jacob Siedner, MD (5 shared papers) and Connie L. Celum (3 shared papers).
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