Dr. Colin Daniel Stack, MD
- Medicare services, 2024
- 24
- Medicare patients, 2024
- 35
- Part D claims, 2016
- 38
- Publications
- 3
- Clinical trials
- 1
- Practice address
- 1 Medical Center Drive, Lebanon, NH 03756
- Practice phone
- Call (603) 650-5000
- 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. Colin Daniel Stack is an emergency medicine physician in Lebanon, New Hampshire
Dr. Stack practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health.
Dr. Stack's NPI, 1477715571, was assigned on June 30, 2008. Dr. Stack holds New Hampshire license 19481.
- NPI
- 1477715571NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022162825
- NPI enumeration date
- June 30, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 650-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Colin Daniel Stack practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire
Dr. Stack's primary practice is Dartmouth Hitchcock Medical Center, at 1 Medical Center Drive, Lebanon, NH 03756 in Grafton County. The practice phone is (603) 650-5000.
- Dartmouth Hitchcock Medical Center1 Medical Center Drive, Lebanon, NH 03756 · Grafton CountyPhone(603) 650-5000
Source: Dmand AI Affiliation Data
Dr. Colin Daniel Stack is affiliated with 1 site of care and 5 medical groups
Dr. Stack's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. The medical group on file is Dartmouth Hitchcock Clinics Manchester. Dmand AI also links Dr. Stack 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. Colin Daniel Stack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stack practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dartmouth Hitchcock Medical 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 Dartmouth-Hitchcock Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Colin Daniel Stack is one of 298 emergency medicine physicians in New Hampshire
Emergency medicine is Dr. Stack's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Stack's licenses on file in 2 states: New Hampshire and Massachusetts.
Specialties and state licenses
- Emergency medicine, New HampshirePrimary
- Massachusetts license
Emergency medicine physicians near Dr. Stack
Counts of emergency medicine physicians 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. Colin Daniel Stack billed Medicare for 24 services in 2024
CMS data shows 24 Medicare services from Dr. Stack across 1 procedure code in 2024, for 35 Medicare patients. Medicare paid $2,972 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Stack's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 212024: 2414%
Dr. Stack compared with the New Hampshire median for emergency medicine physicians, 2024
- Dr. Stack
- New Hampshire median
- Medicare services
- 24vs 23990% below
- Medicare patients
- 35vs 26687% below
- Part D claims
- 38vs 4414% below
Medians across 328 emergency medicine physicians in New Hampshire 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 emergency medicine physicians in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Colin Daniel Stack treated 35 Medicare patients in 2024, average age 71
CMS counts 35 Medicare patients who saw Dr. Stack in 2024. The largest group is 75 to 84, with 14 patients. 71% of them have high blood pressure, and 66% have high cholesterol. Their average risk score is 1.57, 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 48, with 58% women.
Dr. Stack's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stack's Medicare patients by sex, 2024
- Women1851%
- Men1749%
Chronic conditions among Dr. Stack's Medicare patients, 2024
- High blood pressure71%
- High cholesterol66%
- Anxiety51%
- Arthritis46%
- Ischemic heart disease40%
- Atrial fibrillation34%
- Cancer31%
- Diabetes31%
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 48
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Colin Daniel Stack wrote 38 Medicare Part D claims in 2016
In 2016, Dr. Stack wrote 38 Medicare Part D claims. They cover 3 drugs, with $167 in total drug cost.
Dr. Stack's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Colin Daniel Stack takes part in Medicare
Dr. Stack 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)
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Dr. Colin Daniel Stack has 3 publications on record
Dmand AI links 3 papers to Dr. Stack, published from 2019 to 2025. Dr. Stack's most frequent co-authors are Frederick Martin Burkle, MD, David Wayne Callaway, MD and Anil Shukla, MD.
Dr. Stack's most frequent co-authors
- Frederick Martin Burkle, MD1 shared paper
- David Wayne Callaway, MD1 shared paper
- Anil Shukla, MD1 shared paper
Recent publications by Dr. Stack
Ann Emerg Med
Disaster Med Public Health Prep
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 emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Colin Daniel Stack has worked on 1 clinical trial
Dmand AI links Dr. Stack to 1 clinical trial. Conditions studied include Opiate Overdose and Drug Overdose. Open Payments lists research payments to Dr. Stack that name 1 trial.
Conditions in Dr. Stack's trials
- Opiate Overdose
- Drug Overdose
Investigators on the most trials with Dr. Stack
- Alisha Perkins Garth, MD1 shared trial
- Robyn Cohen Lagina, MD1 shared trial
- Craig Longo, MD1 shared trial
Recent clinical trials with Dr. Stack
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Colin Daniel Stack received $21 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Stack from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $21. It also lists 2 research payments totaling $6,545 in 2016, naming 1 clinical trial.
Companies that paid Dr. Stack the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Colin Daniel 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) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Colin Daniel 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. Colin Daniel Stack's NPI number?
Dr. Colin Daniel Stack's NPI number is 1477715571. It was assigned on June 30, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Colin Daniel Stack?
Dr. Colin Daniel Stack is an emergency medicine physician in Lebanon, New Hampshire. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Colin Daniel Stack practice?
Dr. Stack practices at 1 Medical Center Drive, Lebanon, NH 03756. Dr. Stack's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Dr. Stack to 4 medical groups.
What is Dr. Colin Daniel Stack's office phone number?
The practice phone on file for Dr. Stack is (603) 650-5000.
What is Dr. Colin Daniel Stack's medical license number?
Dr. Stack holds New Hampshire license 19481, one of the licenses on file in 2 states.
Which states has Dr. Colin Daniel Stack been licensed in?
Dmand AI has state licenses on file for Dr. Stack in New Hampshire and Massachusetts.
Which hospitals is Dr. Colin Daniel Stack affiliated with?
Dr. Stack practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire.
What medical group is Dr. Colin Daniel Stack part of?
Dr. Stack is linked to Dartmouth Hitchcock Clinics Manchester. Dmand AI links Dr. Stack to 4 more medical groups.
Does Dr. Colin Daniel Stack accept Medicare?
Yes. CMS data shows Dr. Stack billed Medicare for 24 services in 2024, and Dr. Stack accepts Medicare assignment.
How many Medicare patients does Dr. Colin Daniel Stack see?
CMS counts 35 Medicare patients who saw Dr. Stack in 2024, with an average age of 71.
Show 6 more questionsShow fewer questions
What services does Dr. Colin Daniel Stack bill to Medicare?
In 2024, Dr. Stack's most billed Medicare services were emergency department visit (99285).
What drugs does Dr. Colin Daniel Stack prescribe most?
In 2016 Medicare Part D data, Dr. Stack's most prescribed drugs by claims were Azithromycin, Oxycodone-Acetaminophen and Ibuprofen.
Has Dr. Colin Daniel Stack received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Stack from 1 company from 2016 to 2016. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Colin Daniel Stack been practicing?
Dr. Stack graduated from medical school in 2002, 24 years ago.
Does Dr. Colin Daniel Stack do research?
Dmand AI links 3 publications to Dr. Stack, published from 2019 to 2025. Dr. Stack has worked on 1 clinical trial.
Who does Dr. Colin Daniel Stack publish with?
Dr. Stack's most frequent co-authors are Frederick Martin Burkle, MD (1 shared paper), David Wayne Callaway, MD (1 shared paper) and Anil Shukla, MD (1 shared paper).
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