Dr. Nathaniel James Walsh, MD
- Medicare services, 2024
- 370
- Medicare patients, 2024
- 160
- Part D claims, 2019
- 14
- Publications
- 17
- Hospital affiliations
- 1
- Practice address
- 2901 W Swann Ave, Tampa, FL 33609
- Practice phone
- Call (813) 873-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walsh'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. Nathaniel James Walsh is a general surgeon in Tampa, Florida
Dr. Walsh practices at HCA Florida South Tampa Hospital in Tampa, Florida, part of HCA Healthcare.
Dr. Walsh's NPI, 1255695185, was assigned on June 26, 2012. Dr. Walsh graduated from USF Health Morsani College of Medicine in 2012. Dr. Walsh holds Florida license ME135773.
- NPI
- 1255695185NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406094184
- NPI enumeration date
- June 26, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (813) 873-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathaniel James Walsh practices at HCA Florida South Tampa Hospital in Tampa, Florida
Dr. Walsh's primary practice is HCA Florida South Tampa Hospital, at 2901 W Swann Ave, Tampa, FL 33609 in Hillsborough County. The practice phone is (813) 873-6400.
- HCA Florida South Tampa Hospital2901 W Swann Ave, Tampa, FL 33609 · Hillsborough CountyPhone(813) 873-6400
Source: Dmand AI Affiliation Data
Dr. Nathaniel James Walsh is affiliated with 2 sites of care and 3 medical groups
Dr. Walsh's primary practice is HCA Florida South Tampa Hospital in Tampa, Florida, part of HCA Healthcare. The medical group on file is Florida Post Acute Care Clinicians. Dmand AI also links Dr. Walsh to 2 more medical groups and 1 group practice or clinic, 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. Nathaniel James Walsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walsh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Florida South Tampa Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathaniel James Walsh is one of 1,593 general surgeons in Florida
Surgery is Dr. Walsh's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Walsh is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Walsh's licenses on file in 2 states: Florida and Georgia.
Specialties and state licenses
- Surgery, FloridaPrimary
- Georgia license
Clinical focus
Dmand AI lists removal of damaged skin or skin graft and thyroid surgery among the conditions Dr. Walsh treats.
General surgeons near Dr. Walsh
Counts of general 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. Nathaniel James Walsh billed Medicare for 370 services in 2024
CMS data shows 370 Medicare services from Dr. Walsh across 8 procedure codes in 2024, for 160 Medicare patients. Medicare paid $112,622 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walsh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3512024: 25826%
- Office and hospital visits
- 2023: 1172024: 1124%
Dr. Walsh compared with the Florida median for general surgeons, 2024
- Dr. Walsh
- Florida median
- Medicare services
- 370vs 19887% above
- Medicare patients
- 160vs 13320% above
- Part D claims
- 14vs 4367% below
Medians across 1,425 general surgeons in Florida with Dmand AI profiles that report each measure.
Dr. Walsh'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. Nathaniel James Walsh treated 160 Medicare patients in 2024, average age 71
CMS counts 160 Medicare patients who saw Dr. Walsh in 2024. The largest group is 65 to 74, with 94 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walsh's median patient age at 60, with 80% women.
Dr. Walsh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walsh's Medicare patients by sex, 2024
- Women11572%
- Men4528%
Chronic conditions among Dr. Walsh's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis53%
- Ischemic heart disease27%
- Diabetes26%
- Mood disorders24%
- Anxiety23%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women80%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathaniel James Walsh wrote 14 Medicare Part D claims in 2019
In 2019, Dr. Walsh wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $68 in total drug cost. In 2018, CMS named 145 claims across 5 drugs.
Dr. Walsh's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1452019: 1490%
Drugs named by CMS: 1 in 2019, 5 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Nathaniel James Walsh takes part in Medicare
Dr. Walsh 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. Nathaniel James Walsh has 17 publications on record
Dmand AI links 17 papers to Dr. Walsh, published from 2012 to 2019. 2012 was the busiest year, with 3. The most frequent topics are Breast Neoplasms, Carcinoma and Electroporation. Dr. Walsh has published most often in Am Surg. Dr. Walsh's most frequent co-authors are Edward J. Kruse, DO, David James Terris, MD and William Sterling Duke, MD.
Dr. Walsh's papers by year, 2012 to 2019
Topics Dr. Walsh writes about most
- Breast Neoplasms
- Carcinoma
- Electroporation
- Length of Stay
- Lymph Nodes
- Parathyroidectomy
- Parathyroid Hormone
- Soft Tissue Neoplasms
Dr. Walsh's most frequent co-authors
- Edward J. Kruse, DO4 shared papers
- David James Terris, MD3 shared papers
- William Sterling Duke, MD2 shared papers
Recent publications by Dr. Walsh
Laryngoscope Investig Otolaryngol
See who Dr. Walsh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walsh works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathaniel James Walsh received $11,610 in industry payments from 2016 to 2025
CMS Open Payments shows 36 general payments to Dr. Walsh from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 86% of the total. Medical Device Business Services, Inc. paid the most, $8,425.
General payments to Dr. Walsh by program year, 2016 to 2025
General payments to Dr. Walsh by kind, 2016 to 2025
- Consulting fees$10,03086%
- Food and beverage$1,58014%
Companies that paid Dr. Walsh 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. Nathaniel James Walsh has 6 awards and honors on record
Dmand AI lists 6 awards for Dr. Walsh, most recently Best Overall Manuscript in 2012.
Awards and honors for Dr. Walsh
- 2012
- Best Overall Manuscript
- 2009
- WellDyneRx Summer Research Stipend
- 2001
- Alpha Kappa Psi International Professional Business Fraternity
- Honors Program
- Honors Program University of Florida
- 2000
- The National Society of Collegiate Scholars
Source: Dmand AI Professional Profile Data
Dr. Nathaniel James Walsh graduated from USF Health Morsani College of Medicine
Dr. Walsh graduated from USF Health Morsani College of Medicine in 2012. Dr. Walsh is a member of ACS and Florida Medical Association.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Nathaniel James Walsh accepts plans from 14 insurance carriers
Dr. Walsh is in network with 14 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Cigna
- Humana
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- +6 more carriersWith a free account
Plan types Dr. Walsh accepts, by number of carriers
- Medicare11
- PPO9
- HMO8
- POS5
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Nathaniel James Walsh'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Nathaniel James Walsh
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. Nathaniel James Walsh's NPI number?
Dr. Nathaniel James Walsh's NPI number is 1255695185. It was assigned on June 26, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel James Walsh?
Dr. Nathaniel James Walsh is a general surgeon in Tampa, Florida. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nathaniel James Walsh practice?
Dr. Walsh practices at 2901 W Swann Ave, Tampa, FL 33609. Dr. Walsh's primary practice is HCA Florida South Tampa Hospital in Tampa, Florida, part of HCA Healthcare. Dmand AI also links Dr. Walsh to 2 medical groups and 1 group practice or clinic.
What is Dr. Nathaniel James Walsh's office phone number?
The practice phone on file for Dr. Walsh is (813) 873-6400.
What is Dr. Nathaniel James Walsh's medical license number?
Dr. Walsh holds Florida license ME135773, one of the licenses on file in 2 states.
Which states has Dr. Nathaniel James Walsh been licensed in?
Dmand AI has state licenses on file for Dr. Walsh in Florida (2018 to 2026) and Georgia (2017 to 2019).
Which hospitals is Dr. Nathaniel James Walsh affiliated with?
Dr. Walsh practices at HCA Florida South Tampa Hospital in Tampa, Florida.
What medical group is Dr. Nathaniel James Walsh part of?
Dr. Walsh is linked to Florida Post Acute Care Clinicians. Dmand AI links Dr. Walsh to 2 more medical groups.
Does Dr. Nathaniel James Walsh accept Medicare?
Yes. CMS data shows Dr. Walsh billed Medicare for 370 services in 2024, and Dr. Walsh accepts Medicare assignment.
How many Medicare patients does Dr. Nathaniel James Walsh see?
CMS counts 160 Medicare patients who saw Dr. Walsh in 2024, with an average age of 71.
Show 9 more questionsShow fewer questions
Is Dr. Nathaniel James Walsh board certified?
Yes. Dr. Walsh is board certified in surgery by the American Board of Surgery.
What services does Dr. Nathaniel James Walsh bill to Medicare?
In 2024, Dr. Walsh's most billed Medicare services were surgery: blood and lymph system (38724), office visit, new patient (99204) and surgery: lungs and airway (31575).
Where did Dr. Nathaniel James Walsh go to medical school?
Dr. Walsh graduated from USF Health Morsani College of Medicine in 2012.
What drugs does Dr. Nathaniel James Walsh prescribe most?
In 2019 Medicare Part D data, Dr. Walsh's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Nathaniel James Walsh received payments from drug or device companies?
CMS Open Payments shows $11,610 in general payments to Dr. Walsh from 9 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Nathaniel James Walsh been practicing?
Dr. Walsh graduated from medical school in 2012, 14 years ago.
Does Dr. Nathaniel James Walsh do research?
Dmand AI links 17 publications to Dr. Walsh, published from 2012 to 2019.
Who does Dr. Nathaniel James Walsh publish with?
Dr. Walsh's most frequent co-authors are Edward J. Kruse, DO (4 shared papers), David James Terris, MD (3 shared papers) and William Sterling Duke, MD (2 shared papers).
What insurance does Dr. Nathaniel James Walsh accept?
Dr. Walsh is in network with 14 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
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