DR. NICHOLAS AH MEW MD
NPI 1255623815
Medical Genetics - Clinical Genetics (M.D.) in Washington, DC

Active since May 13, 2011PECOS EnrolledAccepts Medicare Assignment
111 MICHIGAN AVE NW, 5TH FLOOR RESEARCH, SUITE 5700, WASHINGTON, DC 20010(202) 476-6177 Get Directions Write a Review

NPPES record last updated: February 15, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nicholas Ah Mew Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NICHOLAS AH MEW MD (NPI 1255623815) is an individual clinical genetics (m.d.) provider in Washington, District Of Columbia, licensed in District Of Columbia (MD037189) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1255623815
Entity TypeIndividualMale
Primary Taxonomy207SG0201X
Provider Legal NameDR. NICHOLAS AH MEWCredential: MD
Location Address111 MICHIGAN AVE NW, 5TH FLOOR RESEARCH, SUITE 5700Washington, DC 20010-2916
Mailing Address111 Michigan Ave Nw, Suite 1950Washington, DC 20010-2916 · (202) 476-2820
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 13, 2011
Last NPPES UpdateFebruary 15, 2013
✔ NPI 1255623815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMedical Genetics · Clinical Genetics (M.D.)Allopathic & Osteopathic Physicians
Taxonomy Code207SG0201X
License✔ Licensed in DC · MD037189
Definition
A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
111 MICHIGAN AVE NW, Washington, DC 20010

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

Dr. Nicholas Ah Mew Md 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.

PECOS PAC ID5799957106
PECOS Enrollment IDI20111007000105
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nicholas Ah Mew reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
111 MICHIGAN AVE NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,417 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.

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.

Surgery
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Cardiology)
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Student in an Organized Health Care Education/Training Program
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Anesthesiology (Pediatric Anesthesiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Medical Genetics (Clinical Genetics (M.D.))
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Pharmacist (Pharmacotherapy)
111 MICHIGAN AVE NW
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 Nicholas Ah Mew's NPI number?

The NPI number for Nicholas Ah Mew is 1255623815. It was assigned to this individual provider in the NPPES registry on May 13, 2011.

Where is Nicholas Ah Mew located?

Nicholas Ah Mew practices at 111 Michigan Ave NW 5th Floor Research, Suite 5700, Washington, DC 20010. The listed phone number is (202) 476-6177.

What is Nicholas Ah Mew's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.

Is Nicholas Ah Mew enrolled in Medicare?

Yes. Nicholas Ah Mew 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 organization bills Medicare for Nicholas Ah Mew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Ah Mew reassigns Medicare benefits to Children's Hospital (Washington, DC). The 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 Nicholas Ah Mew'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 Nicholas Ah Mew was last updated on February 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.