Dr. Dennis A. Dahlstedt, MD
- Medicare services, 2024
- 35,807
- Medicare patients, 2024
- 294
- Part D claims, 2024
- 1,073
- Hospital affiliations
- 4
- Industry payments
- $11,576
- Practice address
- 1349 S Rochester Rd, Rochester Hills, MI 48307
- Practice phone
- Call (248) 844-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rochester Endoscopy & Surgery Center, L.L.C.
Rochester Hills, Michigan
Find Dr. Dahlstedt'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. Dennis A. Dahlstedt is a gastroenterologist in Rochester Hills, Michigan
Dr. Dahlstedt practices at Rochester Endoscopy & Surgery Center, L.L.C. in Rochester Hills, Michigan.
Dr. Dahlstedt's NPI, 1366467615, was assigned on July 13, 2006. Dr. Dahlstedt graduated from Wayne State University School Of Medicine in 1977. Dr. Dahlstedt holds Michigan license 4301040007.
- NPI
- 1366467615NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658378757
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 844-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis A. Dahlstedt practices at Rochester Endoscopy & Surgery Center, L.L.C. in Rochester Hills, Michigan
Dr. Dahlstedt's primary practice is Rochester Endoscopy & Surgery Center, L.L.C., at 1349 S Rochester Rd, Rochester Hills, MI 48307 in Oakland County. The practice phone is (248) 844-3800.
- Rochester Endoscopy & Surgery Center, L.L.C.1349 S Rochester Rd, Rochester Hills, MI 48307 · Oakland CountyPhone(248) 844-3800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dennis A. Dahlstedt is affiliated with 5 sites of care
Dr. Dahlstedt's primary practice is Rochester Endoscopy & Surgery Center, L.L.C. in Rochester Hills, Michigan. Dr. Dahlstedt is also affiliated with Corewell Health William Beaumont University Hospital. Dmand AI also links Dr. Dahlstedt to 3 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dennis A. Dahlstedt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dahlstedt practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rochester Endoscopy & Surgery Center, L.L.C. | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dennis A. Dahlstedt is one of 487 gastroenterologists in Michigan
Gastroenterology is Dr. Dahlstedt's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Dahlstedt is board certified in internal medicine by the American Board of Internal Medicine. Dr. Dahlstedt is licensed in Michigan.
Specialties and state licenses
- Gastroenterology, MichiganPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, chronic indigestion, chronic inflammatory bowel disease (IBD), colonoscopy, gastroduodenitis, gastroenteritis and gastrointestinal bleeding among the conditions Dr. Dahlstedt treats.
Gastroenterologists near Dr. Dahlstedt
Counts of gastroenterologists 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. Dennis A. Dahlstedt billed Medicare for 35,807 services in 2024
CMS data shows 35,807 Medicare services from Dr. Dahlstedt across 15 procedure codes in 2024, for 294 Medicare patients. Medicare paid $87,640 for them.
Dr. Dahlstedt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 39,0002024: 35,25010%
- Office and hospital visits
- 2023: 2472024: 19720%
- Surgery
- 2023: 2722024: 17835%
- Tests and treatments
- 2023: 1852024: 13428%
- Other services
- 2023: 992024: 4852%
Where Dr. Dahlstedt's Medicare services took place, 2024
- In an office35,58199%
- In a facility2261%
Dr. Dahlstedt compared with the Michigan median for gastroenterologists, 2024
- Dr. Dahlstedt
- Michigan median
- Medicare services
- 35,807vs 324110.5 times
- Medicare patients
- 294vs 23028% above
- Part D claims
- 900vs 4242.1 times
Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.
Dr. Dahlstedt'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dahlstedt and other gastroenterologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis A. Dahlstedt treated 294 Medicare patients in 2024, average age 74
CMS counts 294 Medicare patients who saw Dr. Dahlstedt in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dahlstedt's median patient age at 67, with 52% women.
Dr. Dahlstedt's Medicare patients by age, 2024
Dr. Dahlstedt's Medicare patients by sex, 2024
- Women16456%
- Men13044%
Chronic conditions among Dr. Dahlstedt's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease37%
- Diabetes31%
- Anxiety27%
- Chronic kidney disease27%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dahlstedt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis A. Dahlstedt wrote 1,073 Medicare Part D claims in 2024
In 2024, Dr. Dahlstedt wrote 1,073 Medicare Part D claims for 308 patients. 80% of them were for generic drugs. CMS names the drug for 900 of them, across 23 drugs with 11 or more claims each, at $2,086,620 in total drug cost. In 2023, CMS named 905 claims across 21 drugs.
Dr. Dahlstedt's Part D claims by kind of drug, 2024
- Generic854 claims80%
- Brand-name219 claims20%
Dr. Dahlstedt'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. Dahlstedt's Part D claims, 2024
- Antibiotics5%49 of 1,073 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: 9052024: 9001%
Drugs named by CMS: 23 in 2024, 21 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. Dennis A. Dahlstedt ranks in the 98th percentile for colonoscopy in Medicare
Dr. Dahlstedt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 376 procedures of colonoscopy by Dr. Dahlstedt, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Dahlstedt ranks in Medicare procedure volume
- Colonoscopy
- 98th percentile376 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 92nd percentile236 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Dennis A. Dahlstedt received $11,576 in industry payments from 2016 to 2025
CMS Open Payments shows 707 general payments to Dr. Dahlstedt from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Janssen Pharmaceuticals, Inc paid the most, $2,495.
General payments to Dr. Dahlstedt by program year, 2016 to 2025
General payments to Dr. Dahlstedt by kind, 2016 to 2025
- Food and beverage$11,27297%
- Education$3043%
Companies that paid Dr. Dahlstedt the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dennis A. Dahlstedt has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Dahlstedt, most recently CMS Stage 1 2012 in 2012.
Awards and honors for Dr. Dahlstedt
- 2012
- CMS Stage 1 2012
- Undated
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Dennis A. Dahlstedt graduated from Wayne State University School Of Medicine
Dr. Dahlstedt graduated from Wayne State University School Of Medicine in 1977.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Dennis A. Dahlstedt accepts plans from 15 insurance carriers
Dr. Dahlstedt is in network with 15 carriers, including Aetna, Health Alliance Plan and Priority Health. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Health Alliance Plan
- Priority Health
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- +7 more carriersWith a free account
Plan types Dr. Dahlstedt accepts, by number of carriers
- Medicare11
- PPO10
- HMO7
- POS6
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Dennis A. Dahlstedt'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Dennis A. Dahlstedt
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. Dennis A. Dahlstedt's NPI number?
Dr. Dennis A. Dahlstedt's NPI number is 1366467615. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis A. Dahlstedt?
Dr. Dennis A. Dahlstedt is a gastroenterologist in Rochester Hills, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Dennis A. Dahlstedt practice?
Dr. Dahlstedt practices at 1349 S Rochester Rd, Rochester Hills, MI 48307. Dr. Dahlstedt's primary practice is Rochester Endoscopy & Surgery Center, L.L.C. in Rochester Hills, Michigan. Dmand AI also links Dr. Dahlstedt to 3 hospitals.
What is Dr. Dennis A. Dahlstedt's office phone number?
The practice phone on file for Dr. Dahlstedt is (248) 844-3800.
What is Dr. Dennis A. Dahlstedt's medical license number?
Dr. Dahlstedt holds Michigan license 4301040007.
Which hospitals is Dr. Dennis A. Dahlstedt affiliated with?
Dr. Dahlstedt is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Dahlstedt to 3 more hospitals.
Does Dr. Dennis A. Dahlstedt accept Medicare?
Yes. CMS data shows Dr. Dahlstedt billed Medicare for 35,807 services in 2024, and Dr. Dahlstedt accepts Medicare assignment.
How many Medicare patients does Dr. Dennis A. Dahlstedt see?
CMS counts 294 Medicare patients who saw Dr. Dahlstedt in 2024, with an average age of 74.
Is Dr. Dennis A. Dahlstedt board certified?
Yes. Dr. Dahlstedt is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Dennis A. Dahlstedt bill to Medicare?
In 2024, Dr. Dahlstedt's most billed Medicare services were injected or infused drug (J1439), office visit, established patient (99214) and surgery: digestive system (43239).
Show 5 more questionsShow fewer questions
Where did Dr. Dennis A. Dahlstedt go to medical school?
Dr. Dahlstedt graduated from Wayne State University School Of Medicine in 1977.
What drugs does Dr. Dennis A. Dahlstedt prescribe most?
In 2024 Medicare Part D data, Dr. Dahlstedt's most prescribed drugs by claims were Omeprazole, Famotidine and Stelara.
Has Dr. Dennis A. Dahlstedt received payments from drug or device companies?
CMS Open Payments shows $11,576 in general payments to Dr. Dahlstedt from 38 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Dennis A. Dahlstedt been practicing?
Dr. Dahlstedt graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Dennis A. Dahlstedt accept?
Dr. Dahlstedt is in network with 15 carriers, including Aetna, Health Alliance Plan and Priority Health. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
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