DR. WILLIAM C IV KLINGENSMITH (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1891988283

DR. WILLIAM C IV KLINGENSMITH (MD) is a healthcare provider. based in Tyler, Texas. specializing in PATHOLOGY. They hold the professional credentials MD. They hold a License No. N8023 (TX). The NPI Number for DR. WILLIAM C IV KLINGENSMITH (MD) is 1891988283

Main info

Male
23 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM C IV KLINGENSMITH (MD)
NPI
1891988283
Phone
(800) 288-8325
Address
PO BOX 8146
Enumeration Date
20 August 2007
Last Update Date
12 February 2016

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4325828467
Graduation Year
2003 (23 years ago)
PAC ID
3971792433
Group Practice PAC ID
5294784708
Professional Enrollment ID
I20110113001177
Address ID
TX797614527OD520XXSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience55
Completeness75
Years active:18State licenses:1Digital endpointsOther names

1,395 PATHOLOGY in TX

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Provider Addresses for DR. WILLIAM C IV KLINGENSMITH (MD)

  • PO BOX 8146

    TYLER, TX 757118146

    Phone: (800) 288-8325

    Type: Mailing

  • 2200, West Illinois Avenue, Morelan, Midland, Midland County, Texas, 79701, United States

    MIDLAND, TX 79701

    Phone: (806) 470-9482

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $17.

Total Amount is formed as General ($17) + Research ($0) + Ownership ($0) = $17.

Last reported payment date: 2023-08-01 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($17).

Total Amount

$17

General + Research + Ownership

Payments

1

Total payment records

General Amount

$17

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-08-01

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2011-01-13

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
I20110113001177IPathologyTXTBD

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
88305Pathology examination of tissue using a microscope, intermediate complexity426282$0
88341Special stained specimen slides to examine tissue, each additional procedure18834$0
85060Blood smear interpretation by physician with written report122109$0
88311Preparation of tissue for examination by removing any calcium present119107$0
88304Pathology examination of tissue using a microscope, moderately low complexity8877$0
View full utilization report →

Insurance plans in this area (ZIP 75711)

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Provider's Procedures

DR. WILLIAM C IV KLINGENSMITH (MD) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYTX88304Pathology examination of tissue using a microscope, moderately low complexity107101
PATHOLOGYTX88307Pathology examination of tissue using a microscope, moderately high complexity11078
PATHOLOGYTX88342Tissue or cell analysis by immunologic technique164149

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: 5294784708View full group profile
NameSpecialtyState
P A T H O L O G YPR
Pathology, HematologyTX
-TX
P A T H O L O G YTX

Reviews

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Frequently asked questions

What federal number belongs to DR. WILLIAM C IV KLINGENSMITH (MD)?
The federal identifier for DR. WILLIAM C IV KLINGENSMITH (MD) is NPI 1891988283.
Is DR. WILLIAM C IV KLINGENSMITH (MD) currently active in the NPI registry?
CMS-published data lists DR. WILLIAM C IV KLINGENSMITH (MD) as an active registrant.
What field does DR. WILLIAM C IV KLINGENSMITH (MD) work in?
You can think of DR. WILLIAM C IV KLINGENSMITH (MD) as practicing within Anatomic Pathology & Clinical Pathology Physician. Clinical services aligned with this taxonomy classification.
Where does public data place DR. WILLIAM C IV KLINGENSMITH (MD)?
The snapshot lists Tyler, Texas for DR. WILLIAM C IV KLINGENSMITH (MD); download NPPES for the complete set.
What if Tyler, Texas seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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