WILLIAM J WITTMAN (M.D.) – Internal Medicine Physician, NPI 1891798724

WILLIAM J WITTMAN (M.D.) is a healthcare provider. based in Falmouth, Massachusetts. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 54719 (MA). The NPI Number for WILLIAM J WITTMAN (M.D.) is 1891798724

Main info

Male
Sole Proprietor
Name
WILLIAM J WITTMAN (M.D.)
NPI
1891798724
Phone
(508) 540-1046
Address
10 BRAMBLEBUSH PARK
Enumeration Date
24 May 2005
Last Update Date
28 May 2010
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:21State licenses:1Digital endpointsOther names

Provider Addresses for WILLIAM J WITTMAN (M.D.)

  • 10 BRAMBLEBUSH PARK

    FALMOUTH, MA 025402325

    Phone: (508) 540-1046

    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: 2005-03-25

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
I20050325000106IInternal MedicineMATBD

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

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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
99308Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes72897$0
99309Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes25981$0
99307Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes12431$0
99306Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes8475$0
99316Nursing facility discharge management, more than 30 minutes6360$0
View full utilization report →

Insurance plans in this area (ZIP 02540)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for WILLIAM J WITTMAN (M.D.)?
WILLIAM J WITTMAN (M.D.) — NPI 1891798724 — is the standard way to identify this listing.
Can I rely on WILLIAM J WITTMAN (M.D.) being an active provider?
As of the registry snapshot, WILLIAM J WITTMAN (M.D.) is marked active.
What healthcare role does WILLIAM J WITTMAN (M.D.) hold?
Scheduling teams often label WILLIAM J WITTMAN (M.D.) under Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Does WILLIAM J WITTMAN (M.D.) list a practice location?
Patients near Falmouth, Massachusetts may find WILLIAM J WITTMAN (M.D.) in results; validate coverage separately.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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