Dr. John W. Flaherty, MD
- Medicare services, 2024
- 175
- Medicare patients, 2024
- 138
- Part D claims, 2024
- 489
- Hospital affiliations
- 3
- Industry payments
- $5,282
- Practice address
- 8370 W Flagler St, Miami, FL 33144
- Practice phone
- Call (321) 434-1981
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Health First Medical Group
Miami, Florida
Find Dr. Flaherty'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. John W. Flaherty is a family medicine physician in Miami, Florida
Dr. Flaherty practices at Health First Medical Group in Miami, Florida.
Dr. Flaherty's NPI, 1821089301, was assigned on November 2, 2005. Dr. Flaherty graduated from University of Toronto Faculty of Medicine in 1981. Dr. Flaherty holds Florida license ME47149.
- NPI
- 1821089301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830215938
- NPI enumeration date
- November 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (321) 434-1981
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Flaherty practices at Health First Medical Group in Miami, Florida
Dr. Flaherty's primary practice is Health First Medical Group, at 8370 W Flagler St, Miami, FL 33144 in Miami-Dade County. The practice phone is (321) 434-1981.
- Health First Medical Group8370 W Flagler St, Miami, FL 33144 · Miami-Dade CountyPhone(321) 434-1981
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John W. Flaherty is affiliated with 6 sites of care and 1 medical group
Dr. Flaherty's primary practice is Health First Medical Group in Miami, Florida. Dr. Flaherty is also affiliated with Holmes Regional Medical Center. The medical group on file is Health First Medical Group (Formerly Mima). Dmand AI also links Dr. Flaherty to 2 more hospitals, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John W. Flaherty's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flaherty practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Health First Medical Group | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John W. Flaherty is one of 7,735 family medicine physicians in Florida
Family medicine is Dr. Flaherty's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Flaherty is licensed in Florida.
Specialties and state licenses
- Family medicine, FloridaPrimary
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, ADHD, aneurysm, ankle or foot injury and anxiety among the conditions Dr. Flaherty treats.
Family medicine physicians near Dr. Flaherty
Counts of family medicine physicians 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. John W. Flaherty billed Medicare for 175 services in 2024
CMS data shows 175 Medicare services from Dr. Flaherty across 6 procedure codes in 2024, for 138 Medicare patients. Medicare paid $15,671 for them. Every service was in an office.
Dr. Flaherty's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1912024: 15121%
- Other services
- 2023: 1182024: 1389%
- Tests and treatments
- 2023: 472024: 1177%
- Lab and pathology
- 2023: 222024: 0100%
Dr. Flaherty compared with the Florida median for family medicine physicians, 2024
- Dr. Flaherty
- Florida median
- Medicare services
- 175vs 39355% below
- Medicare patients
- 138vs 17220% below
- Part D claims
- 180vs 97982% below
Medians across 7,484 family medicine physicians in Florida with Dmand AI profiles that report each measure.
Dr. Flaherty'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. Flaherty?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Flaherty and other family medicine physicians in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Flaherty treated 138 Medicare patients in 2024, average age 77
CMS counts 138 Medicare patients who saw Dr. Flaherty in 2024. The largest group is 75 to 84, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.62, 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. Flaherty's median patient age at 70, with 49% women.
Dr. Flaherty's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Flaherty's Medicare patients by sex, 2024
- Women8259%
- Men5641%
Chronic conditions among Dr. Flaherty's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease46%
- Diabetes41%
- Ischemic heart disease38%
- Mood disorders33%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Flaherty's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. Flaherty wrote 489 Medicare Part D claims in 2024
In 2024, Dr. Flaherty wrote 489 Medicare Part D claims for 164 patients. 90% of them were for generic drugs. CMS names the drug for 180 of them, across 11 drugs with 11 or more claims each, at $1,944 in total drug cost. In 2023, CMS named 3,460 claims across 68 drugs.
Dr. Flaherty's Part D claims by kind of drug, 2024
- Generic441 claims90%
- Brand-name and other48 claims10%
Dr. Flaherty'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. Flaherty's Part D claims, 2024
- Opioids3%16 of 489 claims
- Antibiotics5%24 of 489 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: 3,4602024: 18095%
Drugs named by CMS: 11 in 2024, 68 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. John W. Flaherty takes part in Medicare
Dr. Flaherty accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John W. Flaherty received $5,282 in industry payments from 2016 to 2023
CMS Open Payments shows 374 general payments to Dr. Flaherty from 33 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $1,004.
General payments to Dr. Flaherty by program year, 2016 to 2023
General payments to Dr. Flaherty by kind, 2016 to 2023
- Food and beverage$5,22899%
- Education$541%
Companies that paid Dr. Flaherty 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. John W. Flaherty graduated from University of Toronto Faculty of Medicine
Dr. Flaherty graduated from University of Toronto Faculty of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John W. Flaherty accepts plans from 8 insurance carriers
Dr. Flaherty is in network with 8 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Alliant Health Plans
- Aspirus Health Plan
- CMS Medicare
- Elevance
Plan types Dr. Flaherty accepts, by number of carriers
- HMO7
- PPO5
- Medicare4
- POS3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John W. Flaherty'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 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John W. Flaherty
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. John W. Flaherty's NPI number?
Dr. John W. Flaherty's NPI number is 1821089301. It was assigned on November 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Flaherty?
Dr. John W. Flaherty is a family medicine physician in Miami, Florida. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John W. Flaherty practice?
Dr. Flaherty practices at 8370 W Flagler St, Miami, FL 33144. Dr. Flaherty's primary practice is Health First Medical Group in Miami, Florida. Dmand AI also links Dr. Flaherty to 2 hospitals, 1 physician office and 1 group practice or clinic.
What is Dr. John W. Flaherty's office phone number?
The practice phone on file for Dr. Flaherty is (321) 434-1981.
What is Dr. John W. Flaherty's medical license number?
Dr. Flaherty holds Florida license ME47149.
Which hospitals is Dr. John W. Flaherty affiliated with?
Dr. Flaherty is affiliated with Holmes Regional Medical Center. Dmand AI links Dr. Flaherty to 2 more hospitals.
What medical group is Dr. John W. Flaherty part of?
Dr. Flaherty is linked to Health First Medical Group (Formerly Mima).
Does Dr. John W. Flaherty accept Medicare?
Yes. CMS data shows Dr. Flaherty billed Medicare for 175 services in 2024, and Dr. Flaherty accepts Medicare assignment.
How many Medicare patients does Dr. John W. Flaherty see?
CMS counts 138 Medicare patients who saw Dr. Flaherty in 2024, with an average age of 77.
What services does Dr. John W. Flaherty bill to Medicare?
In 2024, Dr. Flaherty's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and care management and other visits (99495).
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Where did Dr. John W. Flaherty go to medical school?
Dr. Flaherty graduated from University of Toronto Faculty of Medicine in 1981.
What drugs does Dr. John W. Flaherty prescribe most?
In 2024 Medicare Part D data, Dr. Flaherty's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
Has Dr. John W. Flaherty received payments from drug or device companies?
CMS Open Payments shows $5,282 in general payments to Dr. Flaherty from 33 companies from 2016 to 2023. The largest total came from Novo Nordisk Inc.
How long has Dr. John W. Flaherty been practicing?
Dr. Flaherty graduated from medical school in 1981, 45 years ago.
What insurance does Dr. John W. Flaherty accept?
Dr. Flaherty is in network with 8 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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