NEAL NATHAN
NPI 1639828270
Psychiatry & Neurology - Neurology in La Jolla, CA
About Neal Nathan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NEAL NATHAN (NPI 1639828270) is an individual neurology provider in La Jolla, California, licensed in California (188481) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Accepted 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
Neal Nathan 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 Reassignments
3Medicare enrollment records show Neal Nathan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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 92037 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA JOLLA, CA 92037
LA JOLLA, CA 92037
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 Neal Nathan's NPI number?
The NPI number for Neal Nathan is 1639828270. It was assigned to this individual provider in the NPPES registry on March 21, 2022.
Where is Neal Nathan located?
Neal Nathan practices at 9300 Campus Point Dr, La Jolla, CA 92037. The listed phone number is (858) 657-7000.
What is Neal Nathan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Neal Nathan enrolled in Medicare?
Yes. Neal Nathan 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 organizations bill Medicare for Neal Nathan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Neal Nathan reassigns Medicare benefits to 3 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). Each 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 Neal Nathan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Neal Nathan accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Neal Nathan 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 Neal Nathan was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Neal Nathan · NPI 1639828270
Neurology physician in La Jolla, California. Individual provider, active in the CMS NPPES registry since March 21, 2022.
## Identity
- **NPI:** 1639828270 (Entity type: Individual)
- **Enumerated:** March 21, 2022
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 188481 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9300 CAMPUS POINT DR, La Jolla, CA 92037-1300
- **Phone:** (858) 657-7000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** April 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639828270) · Data from the CMS NPPES public registry.