Dr. Otto Walter, MD
- Medicare services, 2024
- 2,312
- Medicare patients, 2024
- 507
- Publications
- 18
- Hospital affiliations
- 6
- Industry payments
- $377
- Practice address
- 3100 E Fletcher Ave, Tampa, FL 33613
- Practice phone
- Call (813) 615-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walter'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. Otto Walter is a pathologist in Tampa, Florida
Dr. Walter practices at AdventHealth Tampa in Tampa, Florida, part of AdventHealth.
Dr. Walter's NPI, 1801942628, was assigned on January 26, 2007. Dr. Walter's Massachusetts license number on file is 239752.
- NPI
- 1801942628NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830223676
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (813) 615-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Otto Walter practices at AdventHealth Tampa in Tampa, Florida
Dr. Walter's primary practice is AdventHealth Tampa, at 3100 E Fletcher Ave, Tampa, FL 33613 in Hillsborough County. The practice phone is (813) 615-7200.
- AdventHealth Tampa3100 E Fletcher Ave, Tampa, FL 33613 · Hillsborough CountyPhone(813) 615-7200
Source: Dmand AI Affiliation Data
Dr. Otto Walter is affiliated with 6 sites of care and 1 medical group
Dr. Walter's primary practice is AdventHealth Tampa in Tampa, Florida, part of AdventHealth. Dr. Walter is also affiliated with AdventHealth Wesley Chapel. The medical group on file is Ruffolo, Hooper & Associates, MD, PA. Dmand AI also links Dr. Walter to 4 more hospitals, 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. Otto Walter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walter practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Tampa | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Otto Walter is one of 107 pathologists in Florida
Anatomic pathology is Dr. Walter's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dr. Walter is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology. Dmand AI has Dr. Walter's licenses on file in 3 states: Massachusetts, Florida and Connecticut.
Specialties and state licenses
- Anatomic pathology, MassachusettsPrimary
- Florida license
- Connecticut license
Pathologists near Dr. Walter
Counts of pathologists 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. Otto Walter billed Medicare for 2,312 services in 2024
CMS data shows 2,312 Medicare services from Dr. Walter across 18 procedure codes in 2024, for 507 Medicare patients. Medicare paid $67,730 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,0042024: 2,31215%
Dr. Walter compared with the Florida median for pathologists, 2024
- Dr. Walter
- Florida median
- Medicare services
- 2,312vs 1,17896% above
- Medicare patients
- 507vs 40425% above
Medians across 96 pathologists in Florida with Dmand AI profiles that report each measure.
Dr. Walter'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. Walter?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walter and other pathologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Otto Walter treated 507 Medicare patients in 2024, average age 73
CMS counts 507 Medicare patients who saw Dr. Walter in 2024. The largest group is 65 to 74, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.94, 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. Walter's median patient age at 56, with 62% women.
Dr. Walter's Medicare patients by age, 2024
Dr. Walter's Medicare patients by sex, 2024
- Women28256%
- Men22544%
Chronic conditions among Dr. Walter's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease45%
- Diabetes43%
- Anxiety38%
- Chronic kidney disease38%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Otto Walter takes part in Medicare
Dr. Walter 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. Otto Walter has 18 publications on record
Dmand AI links 18 papers to Dr. Walter, published from 2009 to 2022. 2013 was the busiest year, with 2. The most frequent topics are Appendiceal Neoplasms, Biomarkers, Tumor and Immunohistochemistry. Dr. Walter has published most often in Hum Pathol. Dr. Walter's most frequent co-authors are Carol M. Mathew, MD, Jaroslav Zivny, MD and Ali Akalin, MD.
Dr. Walter's papers by year, 2009 to 2022
Topics Dr. Walter writes about most
- Appendiceal Neoplasms
- Biomarkers, Tumor
- Immunohistochemistry
- Liver
- Liver Regeneration
- Mice, Inbred C57BL
- Reperfusion Injury
Dr. Walter's most frequent co-authors
Recent publications by Dr. Walter
See who Dr. Walter researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walter works with, so you can find a warm path to the right pathologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Otto Walter received $377 in industry payments from 2016 to 2020
CMS Open Payments shows 3 general payments to Dr. Walter from 3 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Roche Diagnostics Corporation paid the most, $161.
General payments to Dr. Walter by program year, 2016 to 2020
Companies that paid Dr. Walter the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Otto Walter has 1 award and honors on record
Dmand AI lists 1 award for Dr. Walter, most recently Trauma Surgery Board Certification with "Excellent" Qualification in 1998.
Awards and honors for Dr. Walter
- 1998
- Trauma Surgery Board Certification with "Excellent" Qualification
Source: Dmand AI Professional Profile Data
Dr. Otto Walter is board certified in pathology - anatomic/pathology - clinical
Dr. Walter is a member of ASCP, CAP and USCAP.
- Board certified in pathology - anatomic/pathology - clinical
Source: Dmand AI Professional Profile Data
Dr. Otto Walter accepts plans from 4 insurance carriers
Dr. Walter is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
- RI State Medicaid
- VT State Medicaid
Plan types Dr. Walter accepts, by number of carriers
- Medicaid2
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Otto Walter'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) |
| 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. Otto Walter
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. Otto Walter's NPI number?
Dr. Otto Walter's NPI number is 1801942628. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Otto Walter?
Dr. Otto Walter is a pathologist in Tampa, Florida. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).
Where does Dr. Otto Walter practice?
Dr. Walter practices at 3100 E Fletcher Ave, Tampa, FL 33613. Dr. Walter's primary practice is AdventHealth Tampa in Tampa, Florida, part of AdventHealth. Dmand AI also links Dr. Walter to 4 hospitals.
What is Dr. Otto Walter's office phone number?
The practice phone on file for Dr. Walter is (813) 615-7200.
What is Dr. Otto Walter's medical license number?
Dr. Walter's Massachusetts license number on file is 239752, one of the licenses on file in 3 states.
Which states has Dr. Otto Walter been licensed in?
Dmand AI has state licenses on file for Dr. Walter in Massachusetts (2009 to 2018), Florida (2016 to 2026) and Connecticut (2011 to 2013).
Which hospitals is Dr. Otto Walter affiliated with?
Dr. Walter practices at AdventHealth Tampa in Tampa, Florida. Dr. Walter is also affiliated with AdventHealth Wesley Chapel. Dmand AI links Dr. Walter to 4 more hospitals.
What medical group is Dr. Otto Walter part of?
Dr. Walter is linked to Ruffolo, Hooper & Associates, MD, PA.
Does Dr. Otto Walter accept Medicare?
Yes. CMS data shows Dr. Walter billed Medicare for 2,312 services in 2024, and Dr. Walter accepts Medicare assignment.
How many Medicare patients does Dr. Otto Walter see?
CMS counts 507 Medicare patients who saw Dr. Walter in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
Is Dr. Otto Walter board certified?
Yes. Dr. Walter is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology.
What services does Dr. Otto Walter bill to Medicare?
In 2024, Dr. Walter's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88307).
Has Dr. Otto Walter received payments from drug or device companies?
CMS Open Payments shows $377 in general payments to Dr. Walter from 3 companies from 2016 to 2020. The largest total came from Roche Diagnostics Corporation.
How long has Dr. Otto Walter been practicing?
Dr. Walter graduated from medical school in 1993, 33 years ago.
Does Dr. Otto Walter do research?
Dmand AI links 18 publications to Dr. Walter, published from 2009 to 2022.
Who does Dr. Otto Walter publish with?
Dr. Walter's most frequent co-authors are Carol M. Mathew, MD (2 shared papers), Jaroslav Zivny, MD (2 shared papers) and Ali Akalin, MD (1 shared paper).
What insurance does Dr. Otto Walter accept?
Dr. Walter is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
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