Michael James Fennell II, PA-C
- Medicare services, 2024
- 1,072
- Medicare patients, 2024
- 128
- Part D claims, 2024
- 1,026
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 3500 Sheridan Dr, Buffalo, NY 14226
- Practice phone
- Call (716) 204-4263
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Buffalo Rheumatology and Medicine
Buffalo, New York
Find Michael Fennell'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.
Michael James Fennell II is a physician assistant in Buffalo, New York
Michael Fennell practices at Buffalo Rheumatology and Medicine in Buffalo, New York.
Michael Fennell's NPI, 1023765708, was assigned on March 3, 2022. Michael Fennell holds New York license 028057-01.
- NPI
- 1023765708NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517354004
- NPI enumeration date
- March 3, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 204-4263
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael James Fennell II practices at Buffalo Rheumatology and Medicine in Buffalo, New York
Michael Fennell's primary practice is Buffalo Rheumatology and Medicine, at 3500 Sheridan Dr, Buffalo, NY 14226 in Erie County. The practice phone is (716) 204-4263.
- Buffalo Rheumatology and Medicine3500 Sheridan Dr, Buffalo, NY 14226 · Erie CountyPhone(716) 204-4263
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michael James Fennell II is affiliated with 4 sites of care and 1 medical group
Michael Fennell's primary practice is Buffalo Rheumatology and Medicine in Buffalo, New York. Michael Fennell is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Buffalo Rheumatology and Medicine. Dmand AI also links Michael Fennell to 1 more hospital and 1 group practice or clinic, 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 Michael James Fennell II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Fennell practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Buffalo Rheumatology and Medicine | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael James Fennell II is one of 11,456 physician assistants in New York
Physician assistant is Michael Fennell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Fennell is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Clinical focus
Dmand AI lists arteritis, arthritis, gout, joint arthropathy, lower back pain, lupus, muscle pain, fibromyalgia, and limb pain and osteoporosis among the conditions Michael Fennell treats.
Physician assistants near Michael Fennell
Counts of physician assistants 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
Michael James Fennell II billed Medicare for 1,072 services in 2024
CMS data shows 1,072 Medicare services from Michael Fennell across 4 procedure codes in 2024, for 128 Medicare patients. Medicare paid $10,968 for them. Every service was in an office.
Michael Fennell's Medicare services by type, 2024
- Drugs given in the office881
- Office and hospital visits161
- Surgery30
Michael Fennell compared with the New York median for physician assistants, 2024
- Michael Fennell
- New York median
- Medicare services
- 1,072vs 1766.1 times
- Medicare patients
- 128vs 7864% above
- Part D claims
- 898vs 2453.7 times
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Michael Fennell'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
Michael James Fennell II treated 128 Medicare patients in 2024, average age 69
CMS counts 128 Medicare patients who saw Michael Fennell in 2024. The largest group is 65 to 74, with 50 patients. 75% of them have arthritis, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Fennell's median patient age at 62, with 74% women.
Michael Fennell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michael Fennell's Medicare patients by sex, 2024
- Women9473%
- Men3427%
Chronic conditions among Michael Fennell's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure63%
- Osteoporosis38%
- Anxiety37%
- Mood disorders35%
- Chronic kidney disease30%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Michael Fennell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women74%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael James Fennell II wrote 1,026 Medicare Part D claims in 2024
In 2024, Michael Fennell wrote 1,026 Medicare Part D claims for 297 patients. 85% of them were for generic drugs. CMS names the drug for 898 of them, across 24 drugs with 11 or more claims each, at $717,284 in total drug cost.
Michael Fennell's Part D claims by kind of drug, 2024
- Generic872 claims85%
- Brand-name154 claims15%
Michael Fennell'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.
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
Michael James Fennell II scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Michael Fennell for performance year 2024, reported as part of a group. Michael Fennell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Michael Fennell's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Michael James Fennell II received $1,044 in industry payments in 2025
CMS Open Payments shows 30 general payments to Michael Fennell from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $463.
Companies that paid Michael Fennell the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael James Fennell II'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Michael James Fennell II
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael James Fennell II's NPI number?
Michael James Fennell II's NPI number is 1023765708. It was assigned on March 3, 2022, and it is active in the NPI Registry.
What does Michael James Fennell II specialize in?
Michael James Fennell II is a physician assistant in Buffalo, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael James Fennell II practice?
Michael Fennell practices at 3500 Sheridan Dr, Buffalo, NY 14226. Michael Fennell's primary practice is Buffalo Rheumatology and Medicine in Buffalo, New York. Dmand AI also links Michael Fennell to 1 hospital and 1 group practice or clinic.
What is Michael James Fennell II's office phone number?
The practice phone on file for Michael Fennell is (716) 204-4263.
What is Michael James Fennell II's medical license number?
Michael Fennell holds New York license 028057-01.
Which hospitals is Michael James Fennell II affiliated with?
Michael Fennell is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Michael Fennell to 1 more hospital.
What medical group is Michael James Fennell II part of?
Michael Fennell is linked to Buffalo Rheumatology and Medicine.
Does Michael James Fennell II accept Medicare?
Yes. CMS data shows Michael Fennell billed Medicare for 1,072 services in 2024, and Michael Fennell accepts Medicare assignment.
What is Michael James Fennell II's MIPS score?
Michael Fennell's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Michael James Fennell II see?
CMS counts 128 Medicare patients who saw Michael Fennell in 2024, with an average age of 69.
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What services does Michael James Fennell II bill to Medicare?
In 2024, Michael Fennell's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and surgery: bones and joints (20610).
What drugs does Michael James Fennell II prescribe most?
In 2024 Medicare Part D data, Michael Fennell's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Prednisone.
Has Michael James Fennell II received payments from drug or device companies?
CMS Open Payments shows $1,044 in general payments to Michael Fennell from 9 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Michael James Fennell II been practicing?
Michael Fennell graduated from medical school in 2021, 5 years ago.
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