What is Ronald Demasi's NPI number?

Ronald Demasi's National Provider Identifier (NPI) is 1528139086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ronald Demasi's specialty?

Ronald Demasi is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Ronald Demasi located?

Ronald Demasi's practice location on file with NPPES is 1370 E Venice Ave, Venice, FL 34285-9082.

What is Ronald Demasi's phone number?

The practice phone number listed in the NPPES registry for Ronald Demasi is (941) 584-6272.

Does Ronald Demasi accept Medicare?

Ronald Demasi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Ronald Demasi's NPI active?

Yes — Ronald Demasi's NPI (1528139086) is active in the NPPES registry as of the last update on 2013-12-23.

IndividualActiveAccepts Medicare

Ronald Demasi, M.D.

NPI 1528139086 · Specialist · Venice, FL

Ronald Demasi, M.D. is a Specialist provider in Venice, FL (NPI 1528139086).

Provider details

NPI number: 1528139086
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: ME0066068 (FL)

Practice location

1370 E Venice Ave

Suite 210

Venice, FL 34285-9082

Phone: (941) 584-6272

Fax: (941) 584-6276

Street-level locationGet directions

More FL providers

Mailing address

1370 E Venice Ave

Venice, FL 34285-9082

Specialties & taxonomies

SpecialistPrimary174400000XLicense ME0066068 (FL)
Other Service Providers

Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(94/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
20 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
4,858 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439	1,229	$48
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	1,011	$128
Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490	700	$62
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	321	$167
Biopsy of Large Bowel Using a Flexible Endoscope45380	221	$151

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Pantoprazole Sodium	517	212
Omeprazole	174	69
Famotidine	149	66
Mesalamine	93	27
Budesonidebrand: Budesonide Dr	70	32
Linaclotidebrand: Linzess	64	19
Dexlansoprazolebrand: Dexlansoprazole Dr	41	17

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,977 across 48 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-11-13
Last updated: 2013-12-23

Frequently asked questions

What is Ronald Demasi's NPI number?: Ronald Demasi's National Provider Identifier (NPI) is 1528139086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ronald Demasi's specialty?: Ronald Demasi is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
Where is Ronald Demasi located?: Ronald Demasi's practice location on file with NPPES is 1370 E Venice Ave, Venice, FL 34285-9082.
What is Ronald Demasi's phone number?: The practice phone number listed in the NPPES registry for Ronald Demasi is (941) 584-6272.
Does Ronald Demasi accept Medicare?: Ronald Demasi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Ronald Demasi's NPI active?: Yes — Ronald Demasi's NPI (1528139086) is active in the NPPES registry as of the last update on 2013-12-23.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439	1,229	$48
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	1,011	$128
Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490	700	$62
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	321	$167
Biopsy of Large Bowel Using a Flexible Endoscope45380	221	$151

Drug

Part D claims (2024)

Beneficiaries

Pantoprazole Sodium

517

212

Omeprazole

174

Famotidine

149

Mesalamine

Budesonidebrand: Budesonide Dr

Linaclotidebrand: Linzess

Dexlansoprazolebrand: Dexlansoprazole Dr

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,977 across 48 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments