WILLIAM MADISON DEMAYO MD
NPI 1891283156
Emergency Medicine in Gainesville, FL

Q: What is William Demayo's NPI number?

The NPI number for William Demayo is 1891283156. It was assigned to this individual provider in the NPPES registry on April 23, 2018.

Q: What is William Demayo's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for William Demayo was last updated on October 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 23, 2018PECOS Enrolled

1601 SW ARCHER RD, GAINESVILLE, FL 32608(814) 244-0793 Get Directions Write a Review

NPPES record last updated: October 31, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 31, 2022, Oct 6, 2021, Apr 23, 2018 (3 updates tracked since 2018).

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About William Madison Demayo Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM MADISON DEMAYO MD (NPI 1891283156) is an individual emergency medicine provider in Gainesville, Florida, licensed in Florida (ME149835) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and maintains a secondary practice location in Gainesville.

NPPES Registry Identity

NPI1891283156

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameWILLIAM MADISON DEMAYOCredential: MD

Location Address1601 SW ARCHER RDGainesville, FL 32608-1197

Mailing Address6215 5th Ave Apt 3Pittsburgh, PA 15232-2948 · (814) 244-0793

Phone(814) 244-0793

Sole ProprietorNo

Enumeration DateApril 23, 2018

Last NPPES UpdateOctober 31, 20223 updates tracked since enumeration

NPPES CertifiedOctober 31, 2022

✔ NPI 1891283156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in FL · ME149835

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1601 SW ARCHER RD, Gainesville, FL 32608

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Secondary Practice Location 1

Location 11515 SW Archer RdGainesville, FL 32608-1134 · Phone (352) 733-1471

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Madison Demayo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Demayo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

W4p LLC

84 mi

Emergency Medicine

10461 QUALITY DR
Spring Hill, FL 34609

Reassigned Medicare billing, Florida enrollment
118 clinicians in this Medicare group

NPI 1689116618 (352) 688-8200

Tampa Bay Emergency Physicians-Heartland LLC

155 mi

Emergency Medicine

4200 SUN N LAKE BLVD
Sebring, FL 33872

Reassigned Medicare billing, Florida enrollment
318 clinicians in this Medicare group

NPI 1043661408 (330) 493-4443

Emergency Medicine Services Of Fl, LLC

286 mi

Emergency Medicine

20900 BISCAYNE BLVD
Aventura, FL 33180

Reassigned Medicare billing, Florida enrollment
1,912 clinicians in this Medicare group

NPI 1043917180 (305) 682-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32608 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$87.62 typical visit price

range $56.00 – $171.84

Typical copayment $21.90 (range $14.00 – $42.96)

Most-billed visit code 99203

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. CATHY JEANNE PRICE LCSW

Social Worker (Clinical)