Dr. Michael R. Diaz, DO
- Medicare services, 2024
- 6,232
- Medicare patients, 2024
- 179
- Part D claims, 2024
- 235
- Hospital affiliations
- 1
- Industry payments
- $14,021
- Practice address
- 110 West Sixth Street, Oswego, NY 13069
- Practice phone
- Call (315) 349-5511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Michael R. Diaz is an orthopedic surgeon in Oswego, New York
Dr. Diaz practices at Oswego Hospital in Oswego, New York, part of Oswego Health.
Dr. Diaz's NPI, 1780646216, was assigned on April 3, 2006. Dr. Diaz graduated from Philadelphia College of Osteopathic Medicine in 1991. Dr. Diaz holds New York license 203320.
- NPI
- 1780646216NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466595145
- NPI enumeration date
- April 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (315) 349-5511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael R. Diaz practices at Oswego Hospital in Oswego, New York
Dr. Diaz's primary practice is Oswego Hospital, at 110 West Sixth Street, Oswego, NY 13069 in Oswego County. The practice phone is (315) 349-5511.
- Oswego Hospital110 West Sixth Street, Oswego, NY 13069 · Oswego CountyPhone(315) 349-5511
Source: Dmand AI Affiliation Data
Dr. Michael R. Diaz is affiliated with 3 sites of care and 2 medical groups
Dr. Diaz's primary practice is Oswego Hospital in Oswego, New York, part of Oswego Health. The medical group on file is Oswego Health Medical Practice. Dmand AI also links Dr. Diaz to 2 more home health agencies and 1 medical group, 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. Michael R. Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Oswego Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Oswego Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael R. Diaz is one of 1,151 orthopedic surgeons in New York
Orthopaedic surgery is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Diaz is licensed in New York.
Specialties and state licenses
- Orthopaedic surgery, New YorkPrimary
Orthopedic surgeons near Dr. Diaz
Counts of orthopedic surgeons 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. Michael R. Diaz billed Medicare for 6,232 services in 2024
CMS data shows 6,232 Medicare services from Dr. Diaz across 14 procedure codes in 2024, for 179 Medicare patients. Medicare paid $40,826 for them.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 952024: 5,7535956%
- Office and hospital visits
- 2023: 1372024: 21557%
- Imaging
- 2023: 1222024: 1328%
- Surgery
- 2023: 1092024: 13221%
Where Dr. Diaz's Medicare services took place, 2024
- In an office6,201100%
- In a facility310%
Dr. Diaz compared with the New York median for orthopedic surgeons, 2024
- Dr. Diaz
- New York median
- Medicare services
- 6,232vs 7268.6 times
- Medicare patients
- 179vs 23624% below
- Part D claims
- 181vs 732.5 times
Medians across 1,081 orthopedic surgeons in New York with Dmand AI profiles that report each measure.
Dr. Diaz'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael R. Diaz treated 179 Medicare patients in 2024, average age 76
CMS counts 179 Medicare patients who saw Dr. Diaz in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have arthritis, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 68, with 61% women.
Dr. Diaz's Medicare patients by age, 2024
Dr. Diaz's Medicare patients by sex, 2024
- Women11162%
- Men6838%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety34%
- Diabetes32%
- Chronic kidney disease31%
- Heart failure29%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diaz'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
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael R. Diaz wrote 235 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 235 Medicare Part D claims for 77 patients. 97% of them were for generic drugs. CMS names the drug for 181 of them, across 7 drugs with 11 or more claims each, at $1,162 in total drug cost. In 2023, CMS named 146 claims across 7 drugs.
Dr. Diaz's Part D claims by kind of drug, 2024
- Generic228 claims97%
- Brand-name and other7 claims3%
Dr. Diaz'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. Diaz's Part D claims, 2024
- Opioids54%127 of 235 claims
- Antibiotics9%21 of 235 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: 1462024: 18124%
Drugs named by CMS: 7 in 2024, 7 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. Michael R. Diaz ranks in the 88th percentile for lower limb (leg) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Diaz, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Diaz ranks in Medicare procedure volume
- Knee replacement
- 73rd percentile40 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 88th percentile15 procedures
- Hip replacement
- 51st percentile11 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. Michael R. Diaz received $14,021 in industry payments from 2016 to 2025
CMS Open Payments shows 96 general payments to Dr. Diaz from 15 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 68% of the total. Smith & Nephew, Inc. paid the most, $11,720.
General payments to Dr. Diaz by program year, 2016 to 2025
General payments to Dr. Diaz by kind, 2016 to 2025
- Travel and lodging$9,55268%
- Food and beverage$3,88328%
- Education$5864%
Companies that paid Dr. Diaz 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. Michael R. Diaz graduated from Philadelphia College of Osteopathic Medicine
Dr. Diaz graduated from Philadelphia College of Osteopathic Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael R. Diaz'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. Michael R. Diaz
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. Michael R. Diaz's NPI number?
Dr. Michael R. Diaz's NPI number is 1780646216. It was assigned on April 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael R. Diaz?
Dr. Michael R. Diaz is an orthopedic surgeon in Oswego, New York. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Michael R. Diaz practice?
Dr. Diaz practices at 110 West Sixth Street, Oswego, NY 13069. Dr. Diaz's primary practice is Oswego Hospital in Oswego, New York, part of Oswego Health. Dmand AI also links Dr. Diaz to 2 home health agencies and 1 medical group.
What is Dr. Michael R. Diaz's office phone number?
The practice phone on file for Dr. Diaz is (315) 349-5511.
What is Dr. Michael R. Diaz's medical license number?
Dr. Diaz holds New York license 203320.
Which hospitals is Dr. Michael R. Diaz affiliated with?
Dr. Diaz practices at Oswego Hospital in Oswego, New York.
What medical group is Dr. Michael R. Diaz part of?
Dr. Diaz is linked to Oswego Health Medical Practice. Dmand AI links Dr. Diaz to 1 more medical group.
Does Dr. Michael R. Diaz accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 6,232 services in 2024, and Dr. Diaz accepts Medicare assignment.
How many Medicare patients does Dr. Michael R. Diaz see?
CMS counts 179 Medicare patients who saw Dr. Diaz in 2024, with an average age of 76.
What services does Dr. Michael R. Diaz bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were injected or infused drug (J1010), surgery: bones and joints (20610) and office visit, established patient (99213).
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Where did Dr. Michael R. Diaz go to medical school?
Dr. Diaz graduated from Philadelphia College of Osteopathic Medicine in 1991.
What drugs does Dr. Michael R. Diaz prescribe most?
In 2024 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Oxycodone HCl, Hydrocodone-Acetaminophen and Cyclobenzaprine HCl.
Has Dr. Michael R. Diaz received payments from drug or device companies?
CMS Open Payments shows $14,021 in general payments to Dr. Diaz from 15 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Michael R. Diaz been practicing?
Dr. Diaz graduated from medical school in 1991, 35 years ago.
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