Infect Control Hosp Epidemiol
AmpicillinAntibiotic ProphylaxisAnti-Infective Agents
Dr. Conor McColgan Stack, MD
NPI1083976807PAC ID0941564496
- Medicare services, 2024
- 434
- Medicare patients, 2024
- 254
- Part D claims, 2024
- 359
- Publications
- 6
- Hospital affiliations
- 3
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Stack'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. Conor McColgan Stack is an infectious disease specialist in Boston, Massachusetts
Dr. Stack practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Stack's NPI, 1083976807, was assigned on June 8, 2012. Dr. Stack graduated from State University of NY Upstate Medical University in 2012. Dr. Stack holds Massachusetts license 266559.
NPI and contact details
- NPI
- 1083976807NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941564496
- NPI enumeration date
- June 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Conor McColgan Stack practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Stack's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Conor McColgan Stack is affiliated with 3 sites of care and 2 medical groups
Dr. Stack's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Stack is also affiliated with Beth Israel Deaconess Hospital-Needham. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Stack to 1 more hospital and 1 medical group, each named with a free account.
Beth Israel Deaconess Hospital-NeedhamHarvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP)1 hospitalName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. StackSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Conor McColgan Stack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stack practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Conor McColgan Stack is one of 395 infectious disease specialists in Massachusetts
Infectious disease is Dr. Stack's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Stack is licensed in Massachusetts.
Specialties and state licenses
- Infectious disease, MassachusettsPrimary
Infectious disease specialists near Dr. Stack
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
395infectious disease specialists in Massachusetts209infectious disease specialists in Boston24infectious disease specialists at Beth Israel Deaconess Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Conor McColgan Stack billed Medicare for 434 services in 2024
CMS data shows 434 Medicare services from Dr. Stack across 7 procedure codes in 2024, for 254 Medicare patients. Medicare paid $37,249 for them.
Medicare services, 2024434
Medicare patients254
Paid by Medicare$37,249
Procedure codes7
Dr. Stack's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4092024: 4346%
Where Dr. Stack's Medicare services took place, 2024
- In an office379%
- In a facility39791%
Dr. Stack compared with the Massachusetts median for infectious disease specialists, 2024
- Dr. Stack
- Massachusetts median
- Medicare services
- 434vs 1632.7 times
- Medicare patients
- 254vs 942.7 times
- Part D claims
- 252vs 1082.3 times
Medians across 363 infectious disease specialists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Stack'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. Stack?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stack and other infectious disease specialists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Conor McColgan Stack treated 254 Medicare patients in 2024, average age 71
CMS counts 254 Medicare patients who saw Dr. Stack in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 3.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Stack's median patient age at 66, with 44% women.
Medicare patients, 2024254
Average age71
Average risk score3.17
Also on Medicaid39%
Dr. Stack's Medicare patients by age, 2024
Dr. Stack's Medicare patients by sex, 2024
- Women10943%
- Men14557%
Chronic conditions among Dr. Stack's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease54%
- Arthritis47%
- Diabetes47%
- Anxiety45%
- Heart failure45%
- Ischemic heart disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stack'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
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Conor McColgan Stack wrote 359 Medicare Part D claims in 2024
In 2024, Dr. Stack wrote 359 Medicare Part D claims for 82 patients. 70% of them were for generic drugs. CMS names the drug for 252 of them, across 11 drugs with 11 or more claims each, at $484,982 in total drug cost. In 2023, CMS named 220 claims across 12 drugs.
Part D claims, 2024359
Drugs named by CMS11
Total drug cost$484,982
Part D patients82
Dr. Stack's Part D claims by kind of drug, 2024
- Generic253 claims70%
- Brand-name106 claims30%
Dr. Stack'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.
Drug classes CMS tracks in Dr. Stack's Part D claims, 2024
- Antibiotics59%211 of 359 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2202024: 25215%
Drugs named by CMS: 11 in 2024, 12 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. Conor McColgan Stack offers telehealth to Medicare patients
Dr. Stack accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stack as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Conor McColgan Stack has 6 publications on record
Dmand AI links 6 papers to Dr. Stack in 2018. The most frequent topics are Antimicrobial Stewardship, Communicable Diseases and Curriculum. Dr. Stack has published most often in Clin Infect Dis. Dr. Stack's most frequent co-authors are Alice Evelyn Barsoumian, MD, Vera Parkhurst Luther, MD and Priya Nori, MD.
Papers6
Topics Dr. Stack writes about most
- Antimicrobial Stewardship
- Communicable Diseases
- Curriculum
- Education, Medical, Graduate
- Fellowships and Scholarships
Dr. Stack's most frequent co-authors
- Alice Evelyn Barsoumian, MD3 shared papers
- Vera Parkhurst Luther, MD3 shared papers
- Priya Nori, MD3 shared papers
Recent publications by Dr. Stack
J Acquir Immune Defic Syndr
Anti-HIV AgentsEducational StatusHealth Knowledge, Attitudes, Practice
Clin Infect Dis
Antimicrobial StewardshipCommunicable DiseasesCurriculum
Antimicrobial StewardshipCommunicable DiseasesCurriculum
Anti-Bacterial AgentsBacteremiaGram-Positive Bacterial Infections
See who Dr. Stack researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stack works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Conor McColgan Stack received $2,655 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Stack from 1 drug or device company in 2025. Consulting fees make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $2,655.
Companies that paid Dr. Stack the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Conor McColgan Stack graduated from State University of NY Upstate Medical University
Dr. Stack graduated from State University of NY Upstate Medical University in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Conor McColgan Stack'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 |
| 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. Conor McColgan Stack
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. Conor McColgan Stack's NPI number?
Dr. Conor McColgan Stack's NPI number is 1083976807. It was assigned on June 8, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Conor McColgan Stack?
Dr. Conor McColgan Stack is an infectious disease specialist in Boston, Massachusetts. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Conor McColgan Stack practice?
Dr. Stack practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Stack's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Stack to 1 hospital and 1 medical group.
What is Dr. Conor McColgan Stack's office phone number?
The practice phone on file for Dr. Stack is (617) 667-7000.
What is Dr. Conor McColgan Stack's medical license number?
Dr. Stack holds Massachusetts license 266559.
Which hospitals is Dr. Conor McColgan Stack affiliated with?
Dr. Stack practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Stack is also affiliated with Beth Israel Deaconess Hospital-Needham. Dmand AI links Dr. Stack to 1 more hospital.
What medical group is Dr. Conor McColgan Stack part of?
Dr. Stack is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Stack to 1 more medical group.
Does Dr. Conor McColgan Stack accept Medicare?
Yes. CMS data shows Dr. Stack billed Medicare for 434 services in 2024, and Dr. Stack accepts Medicare assignment.
Does Dr. Conor McColgan Stack offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Stack as offering telehealth services.
How many Medicare patients does Dr. Conor McColgan Stack see?
CMS counts 254 Medicare patients who saw Dr. Stack in 2024, with an average age of 71.
Show 7 more questionsShow fewer questions
What services does Dr. Conor McColgan Stack bill to Medicare?
In 2024, Dr. Stack's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99223).
Where did Dr. Conor McColgan Stack go to medical school?
Dr. Stack graduated from State University of NY Upstate Medical University in 2012.
What drugs does Dr. Conor McColgan Stack prescribe most?
In 2024 Medicare Part D data, Dr. Stack's most prescribed drugs by claims were Biktarvy, Cefadroxil and Cephalexin.
Has Dr. Conor McColgan Stack received payments from drug or device companies?
CMS Open Payments shows $2,655 in general payments to Dr. Stack from 1 company from 2025 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Conor McColgan Stack been practicing?
Dr. Stack graduated from medical school in 2012, 14 years ago.
Does Dr. Conor McColgan Stack do research?
Dmand AI links 6 publications to Dr. Stack.
Who does Dr. Conor McColgan Stack publish with?
Dr. Stack's most frequent co-authors are Alice Evelyn Barsoumian, MD (3 shared papers), Vera Parkhurst Luther, MD (3 shared papers) and Priya Nori, MD (3 shared papers).
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