Dr. Daniel A. Duffy, DO
- Medicare services, 2024
- 1,027
- Medicare patients, 2024
- 225
- Part D claims, 2024
- 1,857
- Hospital affiliations
- 6
- Industry payments
- $3,306
- Practice address
- 3340 Hospital Road, Saginaw, MI 48603
- Practice phone
- Call (989) 790-7888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duffy's professional email, personal email and mobile number
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Dr. Daniel A. Duffy is a physiatrist in Saginaw, Michigan
Dr. Duffy practices at HealthSource Saginaw in Saginaw, Michigan, part of HealthSource Saginaw.
Dr. Duffy's NPI, 1275568016, was assigned on July 11, 2006. Dr. Duffy graduated from Michigan State University College of Osteopathic Medicine in 1990. Dr. Duffy holds Michigan license DD012051.
- NPI
- 1275568016NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355402090
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (989) 790-7888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel A. Duffy practices at HealthSource Saginaw in Saginaw, Michigan
Dr. Duffy's primary practice is HealthSource Saginaw, at 3340 Hospital Road, Saginaw, MI 48603 in Saginaw County. The practice phone is (989) 790-7888.
- HealthSource Saginaw3340 Hospital Road, Saginaw, MI 48603 · Saginaw CountyPhone(989) 790-7888
Source: Dmand AI Affiliation Data
Dr. Daniel A. Duffy is affiliated with 9 sites of care and 1 medical group
Dr. Duffy's primary practice is HealthSource Saginaw in Saginaw, Michigan, part of HealthSource Saginaw. Dr. Duffy is also affiliated with Covenant Medical Center Harrison. The medical group on file is Memorial Medical Associates (MMA). Dmand AI also links Dr. Duffy to 4 more hospitals, 1 physician office, 1 group practice or clinic and 1 hospice, 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. Daniel A. Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffy practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HealthSource Saginaw | Available with a free account |
| +8 more affiliated sites | 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 HealthSource Saginaw and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Daniel A. Duffy is one of 504 physiatrists in Michigan
Physical medicine and rehabilitation is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 208100000X. Dr. Duffy is licensed in Michigan.
Specialties and state licenses
- Physical medicine and rehabilitation, MichiganPrimary
Physiatrists near Dr. Duffy
Counts of physiatrists 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. Daniel A. Duffy billed Medicare for 1,027 services in 2024
CMS data shows 1,027 Medicare services from Dr. Duffy across 10 procedure codes in 2024, for 225 Medicare patients. Medicare paid $66,092 for them.
Dr. Duffy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7052024: 78712%
- Tests and treatments
- 2023: 2152024: 214No change
- Surgery
- 2023: 392024: 2633%
Where Dr. Duffy's Medicare services took place, 2024
- In an office18218%
- In a facility84582%
Dr. Duffy compared with the Michigan median for physiatrists, 2024
- Dr. Duffy
- Michigan median
- Medicare services
- 1,027vs 53393% above
- Medicare patients
- 225vs 16834% above
- Part D claims
- 1,328vs 1369.8 times
Medians across 469 physiatrists in Michigan with Dmand AI profiles that report each measure.
Dr. Duffy'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. Duffy and other physiatrists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel A. Duffy treated 225 Medicare patients in 2024, average age 71
CMS counts 225 Medicare patients who saw Dr. Duffy in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.53, 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. Duffy's median patient age at 68, with 55% women.
Dr. Duffy's Medicare patients by age, 2024
Dr. Duffy's Medicare patients by sex, 2024
- Women12154%
- Men10446%
Chronic conditions among Dr. Duffy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Mood disorders42%
- Depression39%
- Anxiety38%
- Diabetes38%
- Ischemic heart disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duffy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel A. Duffy wrote 1,857 Medicare Part D claims in 2024
In 2024, Dr. Duffy wrote 1,857 Medicare Part D claims for 201 patients. 95% of them were for generic drugs. CMS names the drug for 1,328 of them, across 47 drugs with 11 or more claims each, at $26,827 in total drug cost. In 2023, CMS named 895 claims across 34 drugs.
Dr. Duffy's Part D claims by kind of drug, 2024
- Generic1,757 claims95%
- Brand-name and other100 claims5%
Dr. Duffy'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. Duffy's Part D claims, 2024
- Opioids15%285 of 1,857 claims
- Antibiotics2%31 of 1,857 claims
- Antipsychotics, patients 65 and over1%18 of 1,857 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: 8952024: 1,32848%
Drugs named by CMS: 47 in 2024, 34 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. Daniel A. Duffy offers telehealth to Medicare patients
Dr. Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duffy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Daniel A. Duffy received $3,306 in industry payments from 2016 to 2025
CMS Open Payments shows 181 general payments to Dr. Duffy from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Ipsen Biopharmaceuticals, Inc paid the most, $947.
General payments to Dr. Duffy by program year, 2016 to 2025
Companies that paid Dr. Duffy 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. Daniel A. Duffy graduated from Michigan State University College of Osteopathic Medicine
Dr. Duffy graduated from Michigan State University College of Osteopathic Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel A. Duffy'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) |
| 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. Daniel A. Duffy
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. Daniel A. Duffy's NPI number?
Dr. Daniel A. Duffy's NPI number is 1275568016. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel A. Duffy?
Dr. Daniel A. Duffy is a physiatrist in Saginaw, Michigan. The primary specialty in the NPI Registry is Physical Medicine & Rehabilitation Physician (taxonomy code 208100000X).
Where does Dr. Daniel A. Duffy practice?
Dr. Duffy practices at 3340 Hospital Road, Saginaw, MI 48603. Dr. Duffy's primary practice is HealthSource Saginaw in Saginaw, Michigan, part of HealthSource Saginaw. Dmand AI also links Dr. Duffy to 4 hospitals, 1 physician office, 1 group practice or clinic and 1 hospice.
What is Dr. Daniel A. Duffy's office phone number?
The practice phone on file for Dr. Duffy is (989) 790-7888.
What is Dr. Daniel A. Duffy's medical license number?
Dr. Duffy holds Michigan license DD012051.
Which hospitals is Dr. Daniel A. Duffy affiliated with?
Dr. Duffy practices at HealthSource Saginaw in Saginaw, Michigan. Dr. Duffy is also affiliated with Covenant Medical Center Harrison. Dmand AI links Dr. Duffy to 4 more hospitals.
What medical group is Dr. Daniel A. Duffy part of?
Dr. Duffy is linked to Memorial Medical Associates (MMA).
Does Dr. Daniel A. Duffy accept Medicare?
Yes. CMS data shows Dr. Duffy billed Medicare for 1,027 services in 2024, and Dr. Duffy accepts Medicare assignment.
Does Dr. Daniel A. Duffy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Duffy as offering telehealth services.
How many Medicare patients does Dr. Daniel A. Duffy see?
CMS counts 225 Medicare patients who saw Dr. Duffy in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. Daniel A. Duffy bill to Medicare?
In 2024, Dr. Duffy's most billed Medicare services were hospital inpatient care (99232), nerve and brain test (95886) and hospital inpatient care (99222).
Where did Dr. Daniel A. Duffy go to medical school?
Dr. Duffy graduated from Michigan State University College of Osteopathic Medicine in 1990.
What drugs does Dr. Daniel A. Duffy prescribe most?
In 2024 Medicare Part D data, Dr. Duffy's most prescribed drugs by claims were Gabapentin, Tramadol HCl and Hydrocodone-Acetaminophen.
Has Dr. Daniel A. Duffy received payments from drug or device companies?
CMS Open Payments shows $3,306 in general payments to Dr. Duffy from 24 companies from 2016 to 2025. The largest total came from Ipsen Biopharmaceuticals, Inc.
How long has Dr. Daniel A. Duffy been practicing?
Dr. Duffy graduated from medical school in 1990, 36 years ago.
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