DR. NATHANIEL LEON RAY M.D.
NPI 1275776270
Psychiatry & Neurology - Psychiatry in Milwaukee, WI
About Dr. Nathaniel Leon Ray M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHANIEL LEON RAY M.D. (NPI 1275776270) is an individual psychiatry provider in Milwaukee, Wisconsin, licensed in Wisconsin (55932-20) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Nathaniel Leon Ray M.d. 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
WAUWATOSA, WI 53226
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 Nathaniel Ray's NPI number?
The NPI number for Nathaniel Ray is 1275776270. It was assigned to this individual provider in the NPPES registry on April 7, 2009.
Where is Nathaniel Ray located?
Nathaniel Ray practices at 8701 W Watertown Plank Rd, Milwaukee, WI 53226. The listed phone number is (414) 955-8998.
What is Nathaniel Ray's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Nathaniel Ray enrolled in Medicare?
Yes. Nathaniel Ray 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.
What insurance does Nathaniel Ray accept?
Health plans from HealthPartners, Medica, Network Health and UnitedHealthcare list Nathaniel Ray 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 Nathaniel Ray was last updated on July 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.
# Dr. Nathaniel Leon Ray, M.D. · NPI 1275776270
Psychiatry physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since April 7, 2009.
## Identity
- **NPI:** 1275776270 (Entity type: Individual)
- **Enumerated:** April 7, 2009
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 55932-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 8701 W WATERTOWN PLANK RD, Milwaukee, WI 53226-3548
- **Phone:** (414) 955-8998
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2009
## Record status
- **NPPES last updated:** July 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275776270) · Data from the CMS NPPES public registry.