Dr. Patrick J. Dennehy, MD
- Medicare services, 2024
- 73
- Medicare patients, 2024
- 97
- Part D claims, 2024
- 122
- Hospital affiliations
- 1
- Industry payments
- $245
- Practice address
- 2799 W Grand Blvd, Detroit, MI 48202
- Practice phone
- Call (313) 916-2600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dennehy'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. Patrick J. Dennehy is an ophthalmologist in Detroit, Michigan
Dr. Dennehy practices at Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health.
Dr. Dennehy's NPI, 1295895696, was assigned on December 8, 2006. Dr. Dennehy graduated from Wayne State University School of Medicine in 1983. Dr. Dennehy holds Michigan license 403764.
- NPI
- 1295895696NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557493673
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 916-2600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patrick J. Dennehy practices at Henry Ford Hospital in Detroit, Michigan
Dr. Dennehy's primary practice is Henry Ford Hospital, at 2799 W Grand Blvd, Detroit, MI 48202 in Wayne County. The practice phone is (313) 916-2600.
- Henry Ford Hospital2799 W Grand Blvd, Detroit, MI 48202 · Wayne CountyPhone(313) 916-2600
Source: Dmand AI Affiliation Data
Dr. Patrick J. Dennehy is affiliated with 1 site of care and 1 medical group
Dr. Dennehy's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health. The medical group on file is Henry Ford Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Patrick J. Dennehy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dennehy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henry Ford Hospital | 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 Henry Ford Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Patrick J. Dennehy is one of 653 ophthalmologists in Michigan
Ophthalmology is Dr. Dennehy's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Dennehy is licensed in Michigan.
Specialties and state licenses
- Ophthalmology, MichiganPrimary
Ophthalmologists near Dr. Dennehy
Counts of ophthalmologists 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. Patrick J. Dennehy billed Medicare for 73 services in 2024
CMS data shows 73 Medicare services from Dr. Dennehy across 3 procedure codes in 2024, for 97 Medicare patients. Medicare paid $929 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dennehy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1102024: 7334%
- Imaging
- 2023: 132024: 0100%
Dr. Dennehy compared with the Michigan median for ophthalmologists, 2024
- Dr. Dennehy
- Michigan median
- Medicare services
- 73vs 1,08093% below
- Medicare patients
- 97vs 40476% below
- Part D claims
- 62vs 68891% below
Medians across 670 ophthalmologists in Michigan with Dmand AI profiles that report each measure.
Dr. Dennehy'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. Dennehy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dennehy and other ophthalmologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick J. Dennehy treated 97 Medicare patients in 2024, average age 70
CMS counts 97 Medicare patients who saw Dr. Dennehy in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 59% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.54, 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. Dennehy's median patient age at 47, with 53% women.
Dr. Dennehy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dennehy's Medicare patients by sex, 2024
- Women5961%
- Men3839%
Chronic conditions among Dr. Dennehy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol59%
- Diabetes55%
- Arthritis38%
- Chronic kidney disease33%
- Ischemic heart disease26%
- Anxiety24%
- Heart failure24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dennehy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Patrick J. Dennehy wrote 122 Medicare Part D claims in 2024
In 2024, Dr. Dennehy wrote 122 Medicare Part D claims for 80 patients. 77% of them were for generic drugs. CMS names the drug for 62 of them, across 3 drugs with 11 or more claims each, at $2,428 in total drug cost. In 2023, CMS named 354 claims across 8 drugs.
Dr. Dennehy's Part D claims by kind of drug, 2024
- Generic94 claims77%
- Brand-name28 claims23%
Dr. Dennehy'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3542024: 6282%
Drugs named by CMS: 3 in 2024, 8 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
How Dr. Patrick J. Dennehy takes part in Medicare
Dr. Dennehy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Patrick J. Dennehy received $245 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. Dennehy from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 96% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $125.
General payments to Dr. Dennehy by program year, 2016 to 2023
General payments to Dr. Dennehy by kind, 2016 to 2023
- Food and beverage$23496%
- Education$114%
Companies that paid Dr. Dennehy the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Patrick J. Dennehy graduated from Wayne State University School of Medicine
Dr. Dennehy graduated from Wayne State University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick J. Dennehy'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)Doctors and Clinicians Utilization Data (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. Patrick J. Dennehy
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. Patrick J. Dennehy's NPI number?
Dr. Patrick J. Dennehy's NPI number is 1295895696. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick J. Dennehy?
Dr. Patrick J. Dennehy is an ophthalmologist in Detroit, Michigan. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Patrick J. Dennehy practice?
Dr. Dennehy practices at 2799 W Grand Blvd, Detroit, MI 48202. Dr. Dennehy's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health.
What is Dr. Patrick J. Dennehy's office phone number?
The practice phone on file for Dr. Dennehy is (313) 916-2600.
What is Dr. Patrick J. Dennehy's medical license number?
Dr. Dennehy holds Michigan license 403764.
Which hospitals is Dr. Patrick J. Dennehy affiliated with?
Dr. Dennehy practices at Henry Ford Hospital in Detroit, Michigan.
What medical group is Dr. Patrick J. Dennehy part of?
Dr. Dennehy is linked to Henry Ford Health.
Does Dr. Patrick J. Dennehy accept Medicare?
Yes. CMS data shows Dr. Dennehy billed Medicare for 73 services in 2024, and Dr. Dennehy accepts Medicare assignment.
How many Medicare patients does Dr. Patrick J. Dennehy see?
CMS counts 97 Medicare patients who saw Dr. Dennehy in 2024, with an average age of 70.
What services does Dr. Patrick J. Dennehy bill to Medicare?
In 2024, Dr. Dennehy's most billed Medicare services were eye exam or test (92250), eye exam or test (92133) and eye exam or test (92134).
Show 4 more questionsShow fewer questions
Where did Dr. Patrick J. Dennehy go to medical school?
Dr. Dennehy graduated from Wayne State University School of Medicine in 1983.
What drugs does Dr. Patrick J. Dennehy prescribe most?
In 2024 Medicare Part D data, Dr. Dennehy's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. Patrick J. Dennehy received payments from drug or device companies?
CMS Open Payments shows $245 in general payments to Dr. Dennehy from 3 companies from 2016 to 2023. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Patrick J. Dennehy been practicing?
Dr. Dennehy graduated from medical school in 1983, 43 years ago.
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