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DEE ALTHOUSE MD
NPI 1578776118
Internal Medicine in Havre, MT

Active since May 08, 2007PECOS EnrolledAccepts Medicare Assignment
521 4TH ST, HAVRE, MT 59501(406) 395-4305(406) 395-4858 Get Directions Write a Review

NPPES record last updated: September 18, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 7, 2023, Jun 29, 2021, Jun 19, 2018 and 2 more (5 updates tracked since 2016).

About Dee Althouse Md NPPES

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

DEE ALTHOUSE MD (NPI 1578776118) is an individual internal medicine provider in Havre, Montana, licensed in Montana (49457) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and is a graduate of Ohio State University College Of Medicine (1995).

NPPES Registry Identity

NPI1578776118
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDEE ALTHOUSECredential: MD
Location Address521 4TH STHavre, MT 59501
Mailing Address521 4th StHavre, MT 59501-3649 · (406) 395-4305 · Fax (406) 395-4858
Phone(406) 395-4305
Fax(406) 395-4858
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1995
Enumeration DateMay 8, 2007
Last NPPES UpdateSeptember 18, 20235 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2023
✔ NPI 1578776118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MT · 49457
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 49457 (MT)
Also ListedGeneral PracticeTaxonomy 208D00000X · License 49457 (MT)
521 4TH ST, Havre, MT 59501
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Other Names 1

Other Name (5)Deeann Althouse Tilleman

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.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

Dee Althouse Md 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 ID1052205101
PECOS Enrollment IDI20050128000769
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 Reassignment

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

Bullhook Community Health Center, Inc.
Same address
Federally Qualified Health Center (FQHC)
521 4TH ST
Havre, MT 59501
  • Reassigned Medicare billing, Montana enrollment
  • 11 clinicians in this Medicare group
NPI 1528258720 (406) 395-4305

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 4

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.

Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
167 services82 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
167 services84 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
43 services33 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
17 services17 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Benefis Hospitals Inc

Acute Care Hospitals · Great Falls, MT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270012
Location1101 26th St SGreat Falls, MT 59405 · Cascade County
Emergency services Birthing friendly

Phillips County Hospital - Cah

Critical Access Hospitals · Malta, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271312
Location311 S 8th Ave EMalta, MT 59538 · Phillips County
Emergency services

Northern Montana Hospital

Critical Access Hospitals · Havre, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271348
Location30 13th StHavre, MT 59501 · Hill County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
2 suppliers26 claims69 services$5.65 avg. paid by Medicare
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
1 supplier17 claims3,400 services$1.46 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers20 claims20 services$46.24 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers16 claims16 services$114.55 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
3 suppliers16 claims42 services$39.28 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
3 suppliers17 claims17 services$23.61 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

KATHRYN ELAINE OLSON FNP
Nurse Practitioner (Family)
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-4305
MRS. CAROLYN LORRAINE STAPLES LAC
Counselor (Addiction (Substance Use Disorder))
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-4305
ROSAULA NYMPHADACUMOS LAPINE NP
Nurse Practitioner (Family)
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-4305
MS. KAREN A. BOONE RN, MS, PMHCNS
Clinical Nurse Specialist (Psychiatric/Mental Health)
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-4305
KRISTIN DONOVEN APRN, FNP-C
Nurse Practitioner (Family)
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-4305
DARIN LEE MILLER RPH
Pharmacist
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-6906
TERRY A HANSON MED, LCPC
Counselor (Professional)
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-4305
LORI LYNN ST PIERRE LAC
Counselor (Addiction (Substance Use Disorder))
521 4TH ST
HAVRE, MT 59501
Hill County (406) 395-4305

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 Dee Althouse's NPI number?

The NPI number for Dee Althouse is 1578776118. It was assigned to this individual provider in the NPPES registry on May 8, 2007. The provider is also known as Deeann Althouse Tilleman.

Where is Dee Althouse located?

Dee Althouse practices at 521 4th St, Havre, MT 59501. The listed phone number is (406) 395-4305.

What is Dee Althouse's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Dee Althouse enrolled in Medicare?

Yes. Dee Althouse 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 Dee Althouse's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dee Althouse reassigns Medicare benefits to Bullhook Community Health Center, Inc. (Havre, MT). 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 Dee Althouse's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dee Althouse accept?

Health plans from Blue Cross and Blue Shield of Montana list Dee Althouse 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.

Is Dee Althouse affiliated with any hospitals?

According to CMS data, Dee Althouse is affiliated with Benefis Hospitals Inc, Phillips County Hospital - Cah and Northern Montana Hospital.

When was this NPI record last updated?

The NPPES record for Dee Althouse was last updated on September 18, 2023. 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.