NATHAN R TIWARI MD
NPI 1609185263
Family Medicine in Grand Rapids, MN

Q: What is Nathan Tiwari's NPI number?

The NPI number for Nathan Tiwari is 1609185263. It was assigned to this individual provider in the NPPES registry on September 30, 2010.

Q: What is Nathan Tiwari's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Nathan Tiwari was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since September 30, 2010PECOS EnrolledAccepts Medicare Assignment

1601 GOLF COURSE RD, GRAND RAPIDS, MN 55744(218) 326-3401 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 8, 2021, Apr 3, 2019 (2 updates tracked since 2019).

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About Nathan R Tiwari Md NPPES

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

NATHAN R TIWARI MD (NPI 1609185263) is an individual family medicine provider in Grand Rapids, Minnesota, licensed in Idaho (6871697) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Keokuk County Health Center, and maintains a secondary practice location in Rathdrum.

NPPES Registry Identity

NPI1609185263

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameNATHAN R TIWARICredential: MD

Location Address1601 GOLF COURSE RDGrand Rapids, MN 55744-8648

Mailing AddressPo Box 1387Hayden, ID 83835-1387 · (208) 520-6250

Phone(218) 326-3401

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateSeptember 30, 2010

Last NPPES UpdateFebruary 26, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 26, 2026

✔ NPI 1609185263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in ID · 6871697✔ Licensed in MN · PERMIT22870

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedEmergency MedicineTaxonomy 207P00000X · License MD-44379 (IA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License PERMIT22870 (MN)

1601 GOLF COURSE RD, Grand Rapids, MN 55744

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Secondary Practice Location 1

Location 116760 N Highway 41Rathdrum, ID 83858-8715 · Phone (208) 620-5250

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Molina Healthcare, PacificSource Health Plans and more.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

Nathan R Tiwari 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 ID8628219169

PECOS Enrollment IDI20170801003465, I20260311003068

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

Medicare enrollment records show Nathan Tiwari reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Keokuk County Health Center

412 mi

Rural Health

23019 HIGHWAY 149
Sigourney, IA 52591

Reassigned Medicare billing, Iowa enrollment
Also billed through NPI 1376611103 (Iowa)
45 clinicians in this Medicare group

NPI 1073898649 (641) 622-2720

Alegent Health Mercy Hospital Corning, Iowa

434 mi

Emergency Medicine

603 ROSARY DR
Corning, IA 50841

Reassigned Medicare billing, Iowa enrollment
54 clinicians in this Medicare group

NPI 1649334574 (641) 322-5245

Dirne Health Centers, Inc

1,056 mi

Federally Qualified Health Center (FQHC)

740 MCKINLEY AVE
Kellogg, ID 83837

Reassigned Medicare billing, Idaho enrollment
81 clinicians in this Medicare group

NPI 1487076048 (208) 783-1267

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

21 services21 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

18 services13 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

18 services17 patients

Hospital Affiliations CMS Care Compare

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

Keokuk County Health Center

Critical Access Hospitals · Sigourney, IA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number161315

Location23019 Highway 149Sigourney, IA 52591 · Keokuk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55744 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

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$98.61 typical visit price

range $18.32 – $138.04

Typical copayment $24.65 (range $4.58 – $34.51)

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.

MRS. JESSICA JO DAY NURSE PRACTITIONER

Nurse Practitioner (Family)