Dr. Dennis A. Dahlstedt, MD

  • Rochester Hills, MI
  • Gastroenterologist
NPI1366467615PAC ID1658378757
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
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Mobile number
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Social profiles

Primary practice

Rochester Endoscopy & Surgery Center, L.L.C.

Rochester Hills, Michigan

See all 5 affiliations

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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 and contact details
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.

See all 5 affiliations for Dr. Dahlstedt

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.

EHR by site
SiteEHR vendor and product
Rochester Endoscopy & Surgery Center, L.L.C.Available with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, MichiganPrimaryLicense 4301040007 · 1978 to 2027 · taxonomy 207RG0100X

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.

487gastroenterologists in Michigan
7gastroenterologists in Rochester Hills

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.

Medicare services, 202435,807
Medicare patients294
Paid by Medicare$87,640
Procedure codes15

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.

See all procedures by Dr. Dahlstedt

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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.

Medicare patients, 2024294
Average age74
Average risk score1.19
Also on Medicaid5%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Ischemic heart disease37%
  5. Diabetes31%
  6. Anxiety27%
  7. Chronic kidney disease27%
  8. 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.

Part D claims, 20241,073
Drugs named by CMS23
Total drug cost$2.1M
Part D patients308

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.

See all prescribing by Dr. Dahlstedt

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

$11.6Kin total
  • 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.

See all payments to Dr. Dahlstedt

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

  1. 2012
    • CMS Stage 1 2012
  2. 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.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in internal medicineAmerican Board of 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

  1. Medicare11
  2. PPO10
  3. HMO7
  4. POS6
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Dennis A. Dahlstedt's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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