WILLIAM J GRISAITIS (MD) – Dermatology Physician, NPI 1063404051

WILLIAM J GRISAITIS (MD) is a healthcare provider. based in Maitland, Florida. specializing in DERMATOLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. ME0035814 (FL). The NPI Number for WILLIAM J GRISAITIS (MD) is 1063404051

Main info

Male
49 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM J GRISAITIS (MD)
NPI
1063404051
Phone
(407) 644-9030
Address
331 N MAITLAND AVE
Enumeration Date
17 August 2005
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
4076449030
Graduation Year
1977 (49 years ago)
PAC ID
3971637737
Professional Enrollment ID
I20100816000282
Address ID
FL327514749MA331XXAVEX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,366 DERMATOLOGY in FL

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Provider Addresses for WILLIAM J GRISAITIS (MD)

  • 331, Maitland Avenue, Maitland, Orange County, Florida, 32751, United States

    BUILDING A SUITE 5

    MAITLAND, FL 327514762

    Phone: (407) 644-9030

    Fax: (407) 644-9440

    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: 2010-08-16

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
I20100816000282IDermatologyFLTBD

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
99213Established patient office or other outpatient visit, 20-29 minutes2,0531,270$0
17003Destruction of precancer skin growth, 2-14 growths1,167364$0
17000Destruction of precancer skin growth, 1 growth916653$0
11102Biopsy of related skin growth, first growth594502$0
17261Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm292186$0
View full utilization report →

Insurance plans in this area (ZIP 32751)

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Provider's Procedures

WILLIAM J GRISAITIS (MD) performs procedures in DERMATOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DERMATOLOGYFL13132Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet132109
DERMATOLOGYFL14060Tissue transfer repair of wound (10 sq centimeters or less) of eyelids, nose, ears, and/or lips1313
DERMATOLOGYFL17003Destruction of 2-14 skin growths1322402

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Frequently asked questions

What federal number belongs to WILLIAM J GRISAITIS (MD)?
The federal identifier for WILLIAM J GRISAITIS (MD) is NPI 1063404051.
Is WILLIAM J GRISAITIS (MD) currently active in the NPI registry?
CMS-published data lists WILLIAM J GRISAITIS (MD) as an active registrant.
Does WILLIAM J GRISAITIS (MD) list a primary specialty?
If you are matching referrals, note Dermatology Physician for WILLIAM J GRISAITIS (MD). Clinical services aligned with this taxonomy classification.
Where does public data place WILLIAM J GRISAITIS (MD)?
The snapshot lists Maitland, Florida for WILLIAM J GRISAITIS (MD); download NPPES for the complete set.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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