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MARK DANIEL DITTLOFF MS, LPC
NPI 1194965590
Counselor - Professional in Oconto, WI

Active since February 24, 2009PECOS EnrolledAccepts Medicare Assignment
820 ARBUTUS AVE, OCONTO, WI 54153(920) 834-8833(920) 834-8830 Get Directions Write a Review

NPPES record last updated: November 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark Daniel Dittloff Ms, Lpc NPPES

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

MARK DANIEL DITTLOFF MS, LPC (NPI 1194965590) is an individual professional provider in Oconto, Wisconsin, licensed in Wisconsin (8608-125) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1194965590
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameMARK DANIEL DITTLOFFCredential: MS, LPC
Location Address820 ARBUTUS AVEOconto, WI 54153-2004
Mailing AddressPo Box 1866Green Bay, WI 54305-1866 · (920) 445-7210 · Fax (920) 445-7289
Phone(920) 834-8833
Fax(920) 834-8830
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateFebruary 24, 2009
Last NPPES UpdateNovember 11, 2022
NPPES CertifiedNovember 11, 2022
✔ NPI 1194965590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
Licenses✔ Licensed in WI · 8608-125✔ Licensed in TX · 64969
820 ARBUTUS AVE, Oconto, WI 54153
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11512 Scripture StDenton, TX 76201-3916 · Phone (940) 382-5328 ext. 19 · Fax (940) 898-8527
Location 2301 E Saint Joseph StGreen Bay, WI 54301-2241 · Phone (920) 433-3630

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, CareSource (Common Ground Healthcare), WellPoint.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

Mark Daniel Dittloff Ms, Lpc 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 ID4183074370
PECOS Enrollment IDI20240702001307
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mark Dittloff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oconto Hospital & Medical Center Inc
Same address
Family Medicine
820 ARBUTUS AVE
Oconto, WI 54153
  • Reassigned Medicare billing, Wisconsin and Michigan enrollments
  • Also billed through NPI 1356799969 (Michigan)
  • 573 clinicians in this Medicare group
NPI 1114579836 (920) 835-1100
Bellin Psychiatric Center Inc
0.1 mi
Mental Health (Including Community Mental Health Center)
820 ARBUTUS AVE
Oconto, WI 54153
  • Reassigned Medicare billing, Wisconsin and Michigan enrollments
  • Also billed through NPI 1598728776 (Michigan)
  • 106 clinicians in this Medicare group
NPI 1609050798 (920) 835-5500

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

Other Providers at the Same Location NPPES 20

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

LINDSEY E BAADE APNP
Nurse Practitioner (Family)
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 835-1100
KIRSTIN L FILKEY RDH
Dental Hygienist
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 516-7107
TANYA LYNN MALEK APNP
Nurse Practitioner (Psychiatric/Mental Health)
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 834-8833
THE LAKES COMMUNITY HEALTH CENTER, INC
Clinic/Center (Federally Qualified Health Center (FQHC))
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 516-7107
CHARLES J HEYKA MD
Family Medicine
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 835-1100
OCONTO HOSPITAL & MEDICAL CENTER INC
Family Medicine
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 835-1100
MARY MCDANIEL MD
Dermatology
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 835-1100
RYAN PATRICK MACDONALD PA
Physician Assistant
820 ARBUTUS AVE
OCONTO, WI 54153
Oconto County (920) 835-1100

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 Mark Dittloff's NPI number?

The NPI number for Mark Dittloff is 1194965590. It was assigned to this individual provider in the NPPES registry on February 24, 2009.

Where is Mark Dittloff located?

Mark Dittloff practices at 820 Arbutus Ave, Oconto, WI 54153. The listed phone number is (920) 834-8833.

What is Mark Dittloff's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Mark Dittloff enrolled in Medicare?

Yes. Mark Dittloff 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 organizations bill Medicare for Mark Dittloff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dittloff reassigns Medicare benefits to 2 organizations: Oconto Hospital & Medical Center Inc (Oconto, WI) and Bellin Psychiatric Center Inc (Oconto, WI). Each 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 Mark Dittloff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Dittloff accept?

Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare) and WellPoint list Mark Dittloff 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 Mark Dittloff was last updated on November 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.