LISACKAUFMAN,MD,ALLENT GREENLEE,MD,AND ELIZABETHPWHEATONMD,PC
NPI 1215966213
Internal Medicine in Washington, DC
About Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LISACKAUFMAN,MD,ALLENT GREENLEE,MD,AND ELIZABETHPWHEATONMD,PC (NPI 1215966213) is a healthcare organization registered as an internal medicine in Washington, District Of Columbia and active in the NPI registry since July 2006. The organization lists Allen Greenlee, M.d., as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
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 Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc's NPI number?
The NPI number for Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc is 1215966213. It was assigned to this organization in the NPPES registry on July 2, 2006.
Where is Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc located?
Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc is located at 1850 M St NW Ste 230, Washington, DC 20036. The listed phone number is (202) 833-7051.
What is Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc enrolled in Medicare?
Yes. Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Internal Medicine, reassign their Medicare billing to Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc. 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 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc was last updated on June 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Lisackaufman,md,allent Greenlee,md,and Elizabethpwheatonmd,pc · NPI 1215966213
Internal Medicine organization in Washington, District of Columbia. Organization record, active in the CMS NPPES registry since July 2, 2006.
## Identity
- **NPI:** 1215966213 (Entity type: Organization)
- **Enumerated:** July 2, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Allen Greenlee, M.D.
## Practice location
- **Address:** 1850 M ST NW STE 230, Washington, DC 20036-5812
- **Phone:** (202) 833-7051 · **Fax:** (202) 833-7056
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians (Internal Medicine) reassign Medicare billing to this organization (form CMS-855R); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 10, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1215966213) · Data from the CMS NPPES public registry.