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TIFFANY CHAN M.D.
NPI 1124413265
Emergency Medicine in Washington, DC

Active since April 06, 2015PECOS Enrolled
95.99/100
CMS Quality Rating
110 IRVING ST NW STE 2A38M, WASHINGTON, DC 20010(202) 877-4677(973) 972-9268 Get Directions Write a Review

NPPES record last updated: January 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 21, 2022, Jan 27, 2021 (2 updates tracked since 2021).

About Tiffany Chan M.d. NPPES

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

TIFFANY CHAN M.D. (NPI 1124413265) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in Maryland (D87155) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124413265
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameTIFFANY CHANCredential: M.D.
Location Address110 IRVING ST NW STE 2A38MWashington, DC 20010-3017
Mailing Address110 Irving St Nw Ste 2a38mWashington, DC 20010-3017 · (202) 877-4677
Phone(202) 877-4677
Fax(973) 972-9268
Sole ProprietorNo
Enumeration DateApril 6, 2015
Last NPPES UpdateJanuary 21, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2022
✔ NPI 1124413265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D87155
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
110 IRVING ST NW STE 2A38M, Washington, DC 20010
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tiffany Chan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Tiffany Chan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medstar Medical Group II LLC
Same address
Anesthesiology
110 IRVING ST NW
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
NPI 1023836137 (703) 558-1403
Whc Emerg Phys
Same address
Emergency Medical Services
110 IRVING ST NW
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
NPI 1306260625 (703) 558-1544

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 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
171 services168 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
127 services123 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
74 services73 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
24 services23 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
15 services15 patients

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.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

95.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.48
Promoting Interoperability100
Improvement Activities40
Cost74.87

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CECILE MSAYS PA
Physician Assistant
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-4677
KRISTEN WILKES
Emergency Medicine
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-4677
DR. MOHAMMED NABEEL M.D
Internal Medicine (Critical Care Medicine)
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-4677
MS. WHITNEY MITER
Physician Assistant
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-4677
ALFRED PAAPA CHINBUAH M.D.
Pediatrics
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-4677
JOSEPH PAWLOWSKI M.D.
Internal Medicine
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-0393
DR. DANIEL ROBERT AUSTIN MD
Anesthesiology
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-7000
CHRISTOPHER ITUA MD
Internal Medicine
110 IRVING ST NW STE 2A38M
WASHINGTON, DC 20010
District of Columbia (202) 877-7000

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 Tiffany Chan's NPI number?

The NPI number for Tiffany Chan is 1124413265. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Where is Tiffany Chan located?

Tiffany Chan practices at 110 Irving St NW Ste 2a38m, Washington, DC 20010. The listed phone number is (202) 877-4677.

What is Tiffany Chan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Tiffany Chan enrolled in Medicare?

Yes. Tiffany Chan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Tiffany Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Chan reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Whc Emerg Phys (Washington, DC). 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 Tiffany Chan'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 Tiffany Chan was last updated on January 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.