WILLIAM ZIMMER (MD) – Internal Medicine Physician, NPI 1003885153

WILLIAM ZIMMER (MD) is a healthcare provider. based in Martinsville, Virginia. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 0101-043790 (VA). The NPI Number for WILLIAM ZIMMER (MD) is 1003885153

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM ZIMMER (MD)
NPI
1003885153
Phone
(276) 634-0379
Address
1107A BROOKDALE ST
Enumeration Date
14 March 2006
Last Update Date
5 August 2022

Doctor Profile

Medical School Name
MEDICAL COLLEGE OF WISCONSIN
Secondary Phone
2766703300
Graduation Year
1986 (40 years ago)
PAC ID
2668548520
Group Practice PAC ID
3678670221
Professional Enrollment ID
I20080829000439
Address ID
VA241124501MA1107XSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

4,930 INTERNAL MEDICINE in VA

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Provider Addresses for WILLIAM ZIMMER (MD)

  • 1107, Brookdale Street, Martinsville, Martinsville City, Virginia, 24112, United States

    MARTINSVILLE, VA 241124501

    Phone: (276) 634-0379

    Type: Location

  • 213 S JEFFERSON ST STE 1006

    ROANOKE, VA 240111713

    Phone: (540) 224-5715

    Type: Mailing

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: 2008-08-29

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
I20080829000439IInternal MedicineVATBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 24112)

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Provider's Procedures

WILLIAM ZIMMER (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEVA83036Hemoglobin A1C level250167
INTERNAL MEDICINEVA85610Blood test, clotting time40692
INTERNAL MEDICINEVA90670Pneumococcal vaccine for injection into muscle118118

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: 3678670221View full group profile

Reviews

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Frequently asked questions

Where can patients find WILLIAM ZIMMER (MD)'s NPI?
You can confirm WILLIAM ZIMMER (MD) with NPI 1003885153; it appears in the national provider directory.
Is WILLIAM ZIMMER (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Can you summarize WILLIAM ZIMMER (MD)'s specialty in plain language?
Clinically, the directory lists WILLIAM ZIMMER (MD) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What location shows for WILLIAM ZIMMER (MD)?
We surface Martinsville, Virginia for WILLIAM ZIMMER (MD) based on available NPPES addresses.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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