JOHN W WEISS (MD PHD) – Blood Banking & Transfusion Medicine Physician, NPI 1457313645

JOHN W WEISS (MD PHD) is a healthcare provider. based in Middleton, Wisconsin. specializing in Blood Banking & Transfusion Medicine Physician. They hold the professional credentials MD PHD. They hold a License No. 18041 (WI). The NPI Number for JOHN W WEISS (MD PHD) is 1457313645

Main info

Male
55 Years Of Experience
Accepts Medicare Assignment
Name
JOHN W WEISS (MD PHD)
NPI
1457313645
Phone
Not provided
Address
7974 UW HEALTH CT
Enumeration Date
4 April 2006
Last Update Date
10 June 2009

Doctor Profile

Medical School Name
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Secondary Phone
6082636400
Graduation Year
1971 (55 years ago)
PAC ID
6406986330
Group Practice PAC ID
6608785464
Professional Enrollment ID
I20100618000758
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for JOHN W WEISS (MD PHD)

  • 7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States

    MIDDLETON, WI 535625531

    Phone:

    Type: Mailing

  • University Hospital Outpatient Pharmacy, 600, Highland Avenue, Madison, Dane County, Wisconsin, 53705-2221, United States

    MADISON, WI 537920001

    Phone: (608) 263-8437

    Fax: (608) 262-7174

    Type: Location

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: 2010-06-18

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
I20100618000758IPathologyWITBD

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
86077Blood bank physician services for cross match and/or evaluation and written report1414$0
View full utilization report →

Insurance plans in this area (ZIP 53562)

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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: 6608785464View full group profile
NameSpecialtyState
-WI
-WI
Nurse PractitionerWI
Nurse PractitionerWI
Family PracticeWI
-WI
-WI
-WI
Endocrinology, Internal MedicineWI
Medical Oncology, Hematology/OncologyCA

Reviews

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Frequently asked questions

Is there an official ID for JOHN W WEISS (MD PHD) in U.S. healthcare records?
The official identifier for JOHN W WEISS (MD PHD) is NPI 1457313645.
Would JOHN W WEISS (MD PHD) appear as active to a payer?
You can treat JOHN W WEISS (MD PHD) as active for directory purposes; confirm clinical privileges separately.
What expertise is attributed to JOHN W WEISS (MD PHD)?
JOHN W WEISS (MD PHD)'s specialty line reads Blood Banking & Transfusion Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for JOHN W WEISS (MD PHD)?
Travel planning: use Middleton, Wisconsin as the reference point for JOHN W WEISS (MD PHD), then confirm.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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