1. Home
  2. Directory
  3. Florida
  4. Gainesville
  5. Psychiatry Neurology
  6. NPI Profile

RIKEN NATHU
NPI 1306582804
Psychiatry & Neurology - Psychiatry in Gainesville, FL

Active since May 08, 2022PECOS Enrolled
4101 NW 89TH BLVD RM 1788, GAINESVILLE, FL 32606(352) 265-2862 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Riken Nathu NPPES

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

RIKEN NATHU (NPI 1306582804) is an individual psychiatry provider in Gainesville, Florida, licensed in California (A208761) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of University Of Florida College Of Medicine (2022).

NPPES Registry Identity

NPI1306582804
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameRIKEN NATHU
Location Address4101 NW 89TH BLVD RM 1788Gainesville, FL 32606-3813
Mailing Address4101 Nw 89th Blvd Rm 1788Gainesville, FL 32606-3813
Phone(352) 265-2862
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 2022
Enumeration DateMay 8, 2022
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1306582804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · A208761✔ Licensed in FL · ME180547
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4101 NW 89TH BLVD RM 1788, Gainesville, FL 32606
Open in Google Maps ↗

Secondary Practice Location 1

Location 1516 W Shaw Ave Ste 200Fresno, CA 93704-2515 · Phone (833) 277-0071 · Fax (925) 944-9709

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc., Florida Blue (BlueCross BlueShield FL) 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 (PECOS)

Riken Nathu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4587030200
PECOS Enrollment IDI20260528004731, I20260911003670
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 Riken Nathu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Comprehensive Psychiatric Services, A Medical Group
2,331 mi
Psychiatry
3100 OAK ROAD, SUITE 270
Walnut Creek, CA 94597
  • Reassigned Medicare billing, California enrollment
  • 149 clinicians in this Medicare group
NPI 1184785834 (925) 944-9711

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 32606 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
$171.84 typical visit price
range $56.00 – $171.84
Typical copayment $42.96 (range $14.00 – $42.96)
Most-billed visit code 99205
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
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

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

ALEKSANDRA GASPAROVA DO
Psychiatry & Neurology (Psychiatry)
4101 NW 89TH BLVD RM 1788
GAINESVILLE, FL 32606
Alachua County (352) 265-2862

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 Riken Nathu's NPI number?

The NPI number for Riken Nathu is 1306582804. It was assigned to this individual provider in the NPPES registry on May 8, 2022.

Where is Riken Nathu located?

Riken Nathu practices at 4101 NW 89th Blvd Rm 1788, Gainesville, FL 32606. The listed phone number is (352) 265-2862.

What is Riken Nathu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Riken Nathu enrolled in Medicare?

Yes. Riken Nathu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Riken Nathu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Riken Nathu reassigns Medicare benefits to Comprehensive Psychiatric Services, A Medical Group (Walnut Creek, CA). 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 Riken Nathu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Riken Nathu accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida and 1 other insurer list Riken Nathu 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 Riken Nathu was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.