ALEXANDER VANCE KOLKIN
NPI 1548767601
Emergency Medicine in Washington, DC
About Alexander Vance Kolkin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER VANCE KOLKIN (NPI 1548767601) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in Maryland (D91232) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
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
Alexander Vance Kolkin 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 Alexander Kolkin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1376887844 (Maryland)
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: Whc Physician Group LLC
- Also billed through NPI 1700154226 (Maryland)
- 613 clinicians in this Medicare group
Arlington, VA 22205
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- Also billed through NPI 1134117393 (Maryland)
- 1,150 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Alexander Kolkin's NPI number?
The NPI number for Alexander Kolkin is 1548767601. It was assigned to this individual provider in the NPPES registry on April 6, 2018.
Where is Alexander Kolkin located?
Alexander Kolkin practices at 110 Irving St NW Dept Of Emergency Medicine, Washington, DC 20010. The listed phone number is (202) 877-8080.
What is Alexander Kolkin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexander Kolkin enrolled in Medicare?
Yes. Alexander Kolkin 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 Alexander Kolkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Kolkin reassigns Medicare benefits to 3 organizations: Medstar Medical Group II LLC (Washington, DC), Whc Emerg Phys (Washington, DC) and Emergency Medicine Associates PA PC (Arlington, VA). 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 Alexander Kolkin'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 Alexander Kolkin was last updated on July 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Alexander Vance Kolkin · NPI 1548767601
Emergency Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 6, 2018.
## Identity
- **NPI:** 1548767601 (Entity type: Individual)
- **Enumerated:** April 6, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D91232 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 IRVING ST NW, DEPT OF EMERGENCY MEDICINE, Washington, DC 20010-3017
- **Phone:** (202) 877-8080 · **Fax:** (202) 877-7633
## 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): Medstar Medical Group II LLC (NPI 1023836137, Washington, DC); Whc Emerg Phys (NPI 1306260625, Washington, DC); Emergency Medicine Associates PA PC (NPI 1588529887, Arlington, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1548767601) · Data from the CMS NPPES public registry.