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RONOVAN LAVAINE OTTENBACHER M.D.
NPI 1548516032
Internal Medicine in Fargo, ND

Active since August 02, 2012PECOS Enrolled
2101 ELM ST N, FARGO, ND 58102(701) 239-3700 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 3, 2025, Feb 27, 2025 (2 updates tracked since 2025).

About Ronovan Lavaine Ottenbacher M.d. NPPES

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

RONOVAN LAVAINE OTTENBACHER M.D. (NPI 1548516032) is an individual internal medicine provider in Fargo, North Dakota, licensed in North Dakota (13056) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548516032
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRONOVAN LAVAINE OTTENBACHERCredential: M.D.
Location Address2101 ELM ST NFargo, ND 58102-2417
Mailing Address2101 Elm St NFargo, ND 58102-2417
Phone(701) 239-3700
Sole ProprietorNo
Enumeration DateAugust 2, 2012
Last NPPES UpdateMarch 3, 20252 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1548516032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in ND · 13056
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.
2101 ELM ST N, Fargo, ND 58102
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ronovan Lavaine Ottenbacher M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Ronovan Ottenbacher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine Associates Inc
6.5 mi
Internal Medicine
4450 31ST AVE S STE 102
Fargo, ND 58104
  • Reassigned Medicare billing, North Dakota enrollment
  • 15 clinicians in this Medicare group
NPI 1144313743 (701) 280-2033

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58102 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
$127.45 typical visit price
range $55.75 – $168.12
Typical copayment $31.86 (range $13.93 – $42.03)
Most-billed visit code 99204
Established Patient
$98.29 typical visit price
range $18.11 – $137.65
Typical copayment $24.57 (range $4.52 – $34.41)
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.

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.

GWEN P NORDAHL PA-C
Physician Assistant
2101 ELM ST N
FARGO, ND 58102
Cass County (218) 739-1400
ERICA MUCHOW RN
Registered Nurse
2101 ELM ST N
FARGO, ND 58102
Cass County (701) 239-3700
JAZMYN RHEA HOGENSON RN
Registered Nurse (Medical-Surgical)
2101 ELM ST N
FARGO, ND 58102
Cass County (701) 234-3241
HILLARY KATHERINE THEURER MSW
Social Worker
2101 ELM ST N
FARGO, ND 58102
Cass County (701) 333-8135
KEVIN MCCARVEL RN
Registered Nurse (Ambulatory Care)
2101 ELM ST N
FARGO, ND 58102
Cass County (701) 239-3700
INDRA P BHATTARAI
Specialist/Technologist, Pathology (Medical Technologist)
2101 ELM ST N
FARGO, ND 58102
Cass County (701) 232-3241
MS. ROBIN LEE HARTMAN-BILBEN RN
Registered Nurse (Emergency)
2101 ELM ST N
FARGO, ND 58102
Cass County (701) 237-2611
CEISHA LEINGANG RN
Registered Nurse
2101 ELM ST N
FARGO, ND 58102
Cass County (701) 255-2048

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 Ronovan Ottenbacher's NPI number?

The NPI number for Ronovan Ottenbacher is 1548516032. It was assigned to this individual provider in the NPPES registry on August 2, 2012.

Where is Ronovan Ottenbacher located?

Ronovan Ottenbacher practices at 2101 Elm St N, Fargo, ND 58102. The listed phone number is (701) 239-3700.

What is Ronovan Ottenbacher's specialty?

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

Is Ronovan Ottenbacher enrolled in Medicare?

Yes. Ronovan Ottenbacher is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ronovan Ottenbacher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronovan Ottenbacher reassigns Medicare benefits to Internal Medicine Associates Inc (Fargo, ND). 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 Ronovan Ottenbacher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronovan Ottenbacher accept?

Health plans from Blue Cross Blue Shield of North Dakota list Ronovan Ottenbacher 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 Ronovan Ottenbacher was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.