Dr. Nathaniel James Walsh, MD

  • Tampa, FL
  • General surgeon
NPI1255695185PAC ID6406094184
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
Social profiles

Primary practice

HCA Florida South Tampa Hospital

Hospital · Tampa, Florida

See all 5 affiliations

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.

View contacts for free

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 and contact details
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.

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.

See all 5 affiliations for Dr. Walsh

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.

EHR by site
SiteEHR vendor and product
HCA Florida South Tampa HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Walsh practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across HCA Healthcare and 6.2K+ hospitals, with verified contacts in the same login.

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, FloridaPrimaryLicense ME135773 · 2018 to 2026 · taxonomy 208600000X
  • Georgia license2017 to 2019

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.

Medicare services, 2024370
Medicare patients160
Paid by Medicare$112,622
Procedure codes8

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.

See all procedures by Dr. Walsh

Need commercial claims for Dr. Walsh?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walsh and other general surgeons in Florida.

Book a meeting

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.

Medicare patients, 2024160
Average age71
Average risk score0.93

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis53%
  4. Ischemic heart disease27%
  5. Diabetes26%
  6. Mood disorders24%
  7. Anxiety23%
  8. 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.

Part D claims, 201914
Drugs named by CMS1
Total drug cost$68

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.

See all prescribing by Dr. Walsh

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)

For MedTech and pharma teams

Find general surgeons like Dr. Walsh by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

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.

Papers17
Years published2012 to 2019

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

Recent publications by Dr. Walsh

See all 17 publications and co-authors

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.

How network discovery works

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

$11.6Kin total
  • 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.

See all payments to Dr. Walsh

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

  1. 2012
    • Best Overall Manuscript
  2. 2009
    • WellDyneRx Summer Research Stipend
  3. 2001
    • Alpha Kappa Psi International Professional Business Fraternity
    • Honors Program
    • Honors Program University of Florida
  4. 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.

  1. Medical schoolUSF Health Morsani College of Medicine
  2. Board certified in surgeryAmerican Board of 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

  1. Medicare11
  2. PPO9
  3. HMO8
  4. POS5
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Nathaniel James Walsh's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Selling to surgery practices?

See general surgeons in Florida by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)