NINA MAITHI LONG DO
NPI 1598384166
Psychiatry & Neurology - Neurology in Thousand Oaks, CA
About Nina Maithi Long Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NINA MAITHI LONG DO (NPI 1598384166) is an individual neurology provider in Thousand Oaks, California, licensed in California (20A20140) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Touro Un Col Of Osteopathic Medicine, Henderson (2020).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Nina Maithi Long Do 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.
Medicare Billing Reassignment
Medicare enrollment records show Nina Long reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 710 clinicians in this Medicare group
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 91360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
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 Nina Long's NPI number?
The NPI number for Nina Long is 1598384166. It was assigned to this individual provider in the NPPES registry on April 13, 2020.
Where is Nina Long located?
Nina Long practices at 125 W Thousand Oaks Blvd Ste 300, Thousand Oaks, CA 91360. The listed phone number is (805) 418-9100.
What is Nina Long's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Nina Long enrolled in Medicare?
Yes. Nina Long 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 Nina Long's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nina Long reassigns Medicare benefits to County Of Ventura (Thousand Oaks, 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 Nina Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Nina Long was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Nina Maithi Long, DO · NPI 1598384166
Neurology physician in Thousand Oaks, California. Individual provider, active in the CMS NPPES registry since April 13, 2020.
## Identity
- **NPI:** 1598384166 (Entity type: Individual)
- **Enumerated:** April 13, 2020
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 20A20140 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 125 W THOUSAND OAKS BLVD STE 300, Thousand Oaks, CA 91360-4460
- **Phone:** (805) 418-9100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** County Of Ventura (NPI 1467571422, Thousand Oaks, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un Col Of Osteopathic Medicine, Henderson, class of 2020
## Record status
- **NPPES last updated:** October 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1598384166) · Data from the CMS NPPES public registry.