WILLIAM O BOAH MD LLP
NPI 1639473762
Internal Medicine - Rheumatology in Brooklyn, NY
About William O Boah Md Llp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM O BOAH MD LLP (NPI 1639473762) is a healthcare organization registered as a rheumatology in Brooklyn, New York and active in the NPI registry since January 2011. The organization lists Akua Boah, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William O Boah Md Llp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to William O Boah MD LLP, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 William O Boah MD LLP's NPI number?
The NPI number for William O Boah MD LLP is 1639473762. It was assigned to this organization in the NPPES registry on January 4, 2011.
Where is William O Boah MD LLP located?
William O Boah MD LLP is located at 145 E 18th St, Brooklyn, NY 11226. The listed phone number is (718) 282-9690.
What is William O Boah MD LLP's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is William O Boah MD LLP enrolled in Medicare?
Yes. William O Boah MD LLP is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through William O Boah MD LLP?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to William O Boah MD LLP, in Family Practice and Internal Medicine. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for William O Boah MD LLP was last updated on December 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.
# William O Boah Md Llp · NPI 1639473762
Rheumatology organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since January 4, 2011.
## Identity
- **NPI:** 1639473762 (Entity type: Organization)
- **Enumerated:** January 4, 2011
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **Organization subpart:** No
- **Authorized official:** Akua Boah, MD
## Practice location
- **Address:** 145 E 18TH ST, Brooklyn, NY 11226-4307
- **Phone:** (718) 282-9690 · **Fax:** (718) 287-5915
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (1), Internal Medicine (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 22, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1639473762) · Data from the CMS NPPES public registry.