1. Home
  2. Directory
  3. Wisconsin
  4. Appleton
  5. Physical Therapist
  6. NPI Profile

WILLIAM HAROLD HARTMANN DPT
NPI 1912344417
Physical Therapist - Orthopedic in Appleton, WI

Active since May 24, 2013Accepts Medicare Assignment
W3124 VAN ROY RD, APPLETON, WI 54915(920) 968-1010 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About William Harold Hartmann Dpt NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM HAROLD HARTMANN DPT (NPI 1912344417) is an individual orthopedic provider in Appleton, Wisconsin, licensed in Wisconsin (12339-24) and active in the NPI registry since May 2013. He maintains 3 additional practice locations and is a graduate of Other (2013).

NPPES Registry Identity

NPI1912344417
Entity TypeIndividualMale
Primary Taxonomy2251X0800X
Provider Legal NameWILLIAM HAROLD HARTMANNCredential: DPT
Location AddressW3124 VAN ROY RDAppleton, WI 54915-3929
Mailing Address2105 E Enterprise Ave, Suite 113Appleton, WI 54913 · (920) 991-2561
Phone(920) 968-1010
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateMay 24, 2013
Last NPPES UpdateJuly 11, 2025
NPPES CertifiedJuly 11, 2025
✔ NPI 1912344417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Therapist · OrthopedicRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code2251X0800X
License✔ Licensed in WI · 12339-24
Definition
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Orthopaedic Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science; pathology/pathophysiology, pain science, medical and surgical considerations, orthopaedic physical therapy theory and practice, and critical inquiry for evidence-based practice.
W3124 VAN ROY RD, Appleton, WI 54915
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1218 E Lawrence StAppleton, WI 54911-5724 · Phone (920) 991-2561
Location 2225 W Kennedy AveKimberly, WI 54136-2836 · Phone (920) 991-2561
Location 31100 E South River StAppleton, WI 54915-2222 · Phone (920) 991-2561

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Security Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Harold Hartmann Dpt is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749423721
PECOS Enrollment IDI20130822000074

Medicare Billing Reassignment

Medicare enrollment records show William Hartmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advanced Physical Therapy & Sports Medicine Sc
3.2 mi
Physical Medicine & Rehabilitation
2105 E ENTERPRISE AVE # 113, ADVANCED PHYSICAL THERAPY
Appleton, WI 54913
  • Reassigned Medicare billing, Wisconsin enrollment
  • 69 clinicians in this Medicare group
NPI 1407857790 (920) 991-2561

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Therapy procedure using manual technique, each 15 minutes 97140
This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.
59 services13 patients
Therapy procedure using functional activities 97530
A therapy procedure using functional activities encourages you to use your own body movements in day-to-day tasks to aid recovery. It aims to improve your mobility, strength, and overall health by incorporating therapeutic exercises into your routine.
59 services13 patients
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
40 services11 patients

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JARROD P SCHUH PT
Physical Therapist
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 968-1010
DR. BONNIE ANNE KORYTKOWSKI DO
Family Medicine
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 730-2747
DR. MARK G ADORJAN MD
Family Medicine
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 730-2747
KELSEY HINKLEY DPT
Physical Therapist
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 968-1010
BRITTANY UITENBROEK AU.D.
Audiologist
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 915-9077
KAELYN WAGNER DPT
Physical Therapist
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 968-1010
CHERYL A LEONARD CMT
Massage Therapist
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 882-2930
MR. PHILIP D SORENSON PT
Physical Therapist
W3124 VAN ROY RD
APPLETON, WI 54915
Calumet County (920) 968-1010

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Hartmann's NPI number?

The NPI number for William Hartmann is 1912344417. It was assigned to this individual provider in the NPPES registry on May 24, 2013.

Where is William Hartmann located?

William Hartmann practices at W3124 Van Roy Rd, Appleton, WI 54915. The listed phone number is (920) 968-1010.

What is William Hartmann's specialty?

The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.

Is William Hartmann enrolled in Medicare?

Yes. William Hartmann is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for William Hartmann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Hartmann reassigns Medicare benefits to Advanced Physical Therapy & Sports Medicine Sc (Appleton, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Hartmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Hartmann accept?

Health plans from Security Health Plan list William Hartmann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Hartmann was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.