Dr. John M. Fitzpatrick, MD
- Medicare services, 2024
- 1,016
- Medicare patients, 2026
- 497
- Part D claims, 2026
- 794
- Hospital affiliations
- 4
- Industry payments
- $595
- Practice address
- 415 S 28th Ave, Hattiesburg, MS 39401
- Practice phone
- Call (601) 268-5630
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hattiesburg Clinic PA
Hattiesburg, Mississippi
Find Dr. Fitzpatrick'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 M. Fitzpatrick is a nephrologist in Hattiesburg, Mississippi
Dr. Fitzpatrick practices at Hattiesburg Clinic PA in Hattiesburg, Mississippi.
Dr. Fitzpatrick's NPI, 1467462465, was assigned on August 9, 2006. Dr. Fitzpatrick holds Mississippi license 14995.
- NPI
- 1467462465NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547243396
- NPI enumeration date
- August 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (601) 268-5630
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. Fitzpatrick practices at Hattiesburg Clinic PA in Hattiesburg, Mississippi
Dr. Fitzpatrick's primary practice is Hattiesburg Clinic PA, at 415 S 28th Ave, Hattiesburg, MS 39401 in Forrest County. The practice phone is (601) 268-5630.
- Hattiesburg Clinic PA415 S 28th Ave, Hattiesburg, MS 39401 · Forrest CountyPhone(601) 268-5630
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John M. Fitzpatrick is affiliated with 11 sites of care and 1 medical group
Dr. Fitzpatrick's primary practice is Hattiesburg Clinic PA in Hattiesburg, Mississippi. Dr. Fitzpatrick is also affiliated with Forrest General Hospital. The medical group on file is Hattiesburg Clinic. Dmand AI also links Dr. Fitzpatrick to 3 more hospitals, 5 dialysis centers 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 M. Fitzpatrick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fitzpatrick practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hattiesburg Clinic PA | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John M. Fitzpatrick is one of 95 nephrologists in Mississippi
Nephrology is Dr. Fitzpatrick's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Fitzpatrick is licensed in Mississippi.
Specialties and state licenses
- Nephrology, MississippiPrimary
Nephrologists near Dr. Fitzpatrick
Counts of nephrologists 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 M. Fitzpatrick billed Medicare for 1,016 services in 2024
CMS data shows 1,016 Medicare services from Dr. Fitzpatrick across 11 procedure codes in 2024, for 497 Medicare patients. Medicare paid $133,757 for them.
Dr. Fitzpatrick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6082024: 5578%
- Office and hospital visits
- 2023: 2952024: 3043%
- Other services
- 2023: 02024: 120
- Surgery
- 2023: 492024: 3529%
Where Dr. Fitzpatrick's Medicare services took place, 2024
- In an office73572%
- In a facility28128%
Dr. Fitzpatrick compared with the Mississippi median for nephrologists, 2024
- Dr. Fitzpatrick
- Mississippi median
- Medicare services
- 1,016vs 1,35125% below
- Medicare patients
- 497vs 37831% above
- Part D claims
- 600vs 79625% below
Medians across 99 nephrologists in Mississippi with Dmand AI profiles that report each measure.
Dr. Fitzpatrick'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. Fitzpatrick?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fitzpatrick and other nephrologists in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. Fitzpatrick treated 497 Medicare patients in 2026, average age 68
CMS counts 497 Medicare patients who saw Dr. Fitzpatrick in 2026. The largest group is under 65, with 161 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 42% are also on Medicaid. Their average risk score is 6.72, 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. Fitzpatrick's median patient age at 68, with 46% women.
Dr. Fitzpatrick's Medicare patients by age, 2026
Dr. Fitzpatrick's Medicare patients by sex, 2026
- Women21343%
- Men28457%
Chronic conditions among Dr. Fitzpatrick's Medicare patients, 2026
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes70%
- Heart failure56%
- Ischemic heart disease53%
- Arthritis48%
- Depression34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fitzpatrick'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
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. John M. Fitzpatrick wrote 794 Medicare Part D claims in 2026
In 2026, Dr. Fitzpatrick wrote 794 Medicare Part D claims for 228 patients. 74% of them were for generic drugs. CMS names the drug for 600 of them, across 17 drugs with 11 or more claims each, at $137,523 in total drug cost. In 2023, CMS named 498 claims across 18 drugs.
Dr. Fitzpatrick's Part D claims by kind of drug, 2026
- Generic586 claims74%
- Brand-name and other208 claims26%
Dr. Fitzpatrick'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: 4982024: 60020%
Drugs named by CMS: 17 in 2024, 18 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), 2026 data
How Dr. John M. Fitzpatrick takes part in Medicare
Dr. Fitzpatrick 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 M. Fitzpatrick received $595 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Fitzpatrick from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Travere Therapeutics, Inc. paid the most, $193.
General payments to Dr. Fitzpatrick by program year, 2016 to 2025
General payments to Dr. Fitzpatrick by kind, 2016 to 2025
- Food and beverage$52388%
- Education$437%
- Speaker and faculty fees$285%
Companies that paid Dr. Fitzpatrick the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John M. Fitzpatrick'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) |
| 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 M. Fitzpatrick
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 M. Fitzpatrick's NPI number?
Dr. John M. Fitzpatrick's NPI number is 1467462465. It was assigned on August 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Fitzpatrick?
Dr. John M. Fitzpatrick is a nephrologist in Hattiesburg, Mississippi. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. John M. Fitzpatrick practice?
Dr. Fitzpatrick practices at 415 S 28th Ave, Hattiesburg, MS 39401. Dr. Fitzpatrick's primary practice is Hattiesburg Clinic PA in Hattiesburg, Mississippi. Dmand AI also links Dr. Fitzpatrick to 3 hospitals, 5 dialysis centers and 1 group practice or clinic, and a free account names each one.
What is Dr. John M. Fitzpatrick's office phone number?
The practice phone on file for Dr. Fitzpatrick is (601) 268-5630. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. John M. Fitzpatrick's email address?
Dmand AI checks professional and personal email addresses for Dr. Fitzpatrick through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. John M. Fitzpatrick's medical license number?
Dr. Fitzpatrick holds Mississippi license 14995.
Which hospitals is Dr. John M. Fitzpatrick affiliated with?
Dr. Fitzpatrick is affiliated with Forrest General Hospital. Dmand AI links Dr. Fitzpatrick to 3 more hospitals, named with a free account.
What medical group is Dr. John M. Fitzpatrick part of?
Dr. Fitzpatrick is linked to Hattiesburg Clinic.
Who does Dr. John M. Fitzpatrick practice with?
Dmand AI links 540 HCPs to Dr. Fitzpatrick's primary medical group, 9 of them nephrologists. A free account lists them, with verified contacts.
Does Dr. John M. Fitzpatrick accept Medicare?
Yes. CMS data shows Dr. Fitzpatrick billed Medicare for 1,016 services in 2024, and Dr. Fitzpatrick accepts Medicare assignment.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. John M. Fitzpatrick see?
CMS counts 497 Medicare patients who saw Dr. Fitzpatrick in 2026, with an average age of 68.
What services does Dr. John M. Fitzpatrick bill to Medicare?
In 2024, Dr. Fitzpatrick's most billed Medicare services were dialysis (90960), office visit, established patient (99214) and dialysis (90935).
What drugs does Dr. John M. Fitzpatrick prescribe most?
In 2024 Medicare Part D data, Dr. Fitzpatrick's most prescribed drugs by claims were Jardiance, Carvedilol and Losartan Potassium.
Has Dr. John M. Fitzpatrick received payments from drug or device companies?
CMS Open Payments shows $595 in general payments to Dr. Fitzpatrick from 9 companies from 2016 to 2025. The largest total came from Travere Therapeutics, Inc.
How long has Dr. John M. Fitzpatrick been practicing?
Dr. Fitzpatrick graduated from medical school in 1985, 41 years ago.
What EHR does Dr. John M. Fitzpatrick's practice use?
Dmand AI tracks the EHR system at Hattiesburg Clinic PA and at 10 more affiliated sites. The vendor and product are available with a free Dmand AI account.
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