WILLIAM M DEMAYO (M.D.) – Physical Medicine & Rehabilitation Physician, NPI 1841471364

WILLIAM M DEMAYO (M.D.) is a healthcare provider. based in Johnstown, Pennsylvania. specializing in PHYSICAL MEDICINE AND REHABILITATION. They hold the professional credentials M.D.. They hold a License No. MD059344L (PA). The NPI Number for WILLIAM M DEMAYO (M.D.) is 1841471364

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM M DEMAYO (M.D.)
NPI
1841471364
Phone
(814) 288-4448
Address
360 GOUCHER ST
Enumeration Date
27 November 2007
Last Update Date
27 November 2007

Doctor Profile

Medical School Name
COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Secondary Phone
9044933390
Graduation Year
1986 (40 years ago)
PAC ID
0042348013
Group Practice PAC ID
7719340850
Professional Enrollment ID
I20240715001474
Address ID
FL322174863JA8613XSXXX502
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience50
Completeness75
Years active:18State licenses:1Digital endpointsOther names

878 PHYSICAL MEDICINE AND REHABILITATION in PA

Provider Addresses for WILLIAM M DEMAYO (M.D.)

  • 360 GOUCHER ST

    JOHNSTOWN, PA 159053400

    Phone: (814) 288-4448

    Fax: (814) 288-4477

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-07-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20240715001474IPhysical Medicine And RehabilitationFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes2911$0
View full utilization report →

Insurance plans in this area (ZIP 15905)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7719340850View full group profile
NameSpecialtyState
Nurse PractitionerFL
Nurse PractitionerFL
Nurse PractitionerVA
Physician AssistantFL
Infectious Disease, Internal MedicineNC
Nurse PractitionerFL
Nurse PractitionerFL

Reviews

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Frequently asked questions

What is the registry number for WILLIAM M DEMAYO (M.D.)?
The registry entry for WILLIAM M DEMAYO (M.D.) shows NPI 1841471364.
Quick check: is WILLIAM M DEMAYO (M.D.) active?
Public NPPES data shows WILLIAM M DEMAYO (M.D.) with an active NPI status right now.
What does the directory say WILLIAM M DEMAYO (M.D.) does?
Insurance directories may phrase it differently, but here WILLIAM M DEMAYO (M.D.) maps to Physical Medicine & Rehabilitation Physician. Clinical services aligned with this taxonomy classification.
What city is tied to WILLIAM M DEMAYO (M.D.)?
The directory associates WILLIAM M DEMAYO (M.D.) with Johnstown, Pennsylvania. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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