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DR. NANCY ANN DAWSON M.D.
NPI 1073571519
Internal Medicine - Medical Oncology in Washington, DC

Active since May 03, 2006PECOS EnrolledAccepts Medicare Assignment
76.55/100
CMS Quality Rating
3800 RESERVOIR RD NW, WASHINGTON, DC 20007(202) 444-2223(202) 444-9429 Get Directions Write a Review

NPPES record last updated: March 20, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Nancy Ann Dawson M.d. NPPES

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

DR. NANCY ANN DAWSON M.D. (NPI 1073571519) is an individual medical oncology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD036496) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Medstar Montgomery Medical Center, and is a graduate of Georgetown University School Of Medicine (1979).

NPPES Registry Identity

NPI1073571519
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. NANCY ANN DAWSONCredential: M.D.
Location Address3800 RESERVOIR RD NWWashington, DC 20007-2113
Mailing Address7508 Vale StChevy Chase, MD 20815-4004 · (301) 325-1068 · Fax (202) 444-9429
Phone(202) 444-2223
Fax(202) 444-9429
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1979
Enumeration DateMay 3, 2006
Last NPPES UpdateMarch 20, 2024
NPPES CertifiedMarch 20, 2024
✔ NPI 1073571519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in DC · MD036496
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License D0031586 (MD)
3800 RESERVOIR RD NW, Washington, DC 20007
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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 and accepts Medicare assignment

Dr. Nancy Ann Dawson M.d. 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 ID4284530221
PECOS Enrollment IDI20070608000190
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 Nancy Dawson 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
Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia enrollment
  • 3,530 clinicians in this Medicare group
NPI 1205562816 (703) 558-1403
Mgmc LLC
Same address
Psychiatry
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia enrollment
  • 861 clinicians in this Medicare group
NPI 1316949654 (888) 896-1400

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 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
584 services189 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
241 services76 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
154 services68 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
61 services61 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
60 services47 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
44 services30 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medstar Montgomery Medical Center

Acute Care Hospitals · Olney, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210018
Location18101 Prince Philip DriveOlney, MD 20832 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20007 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
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.

76.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality63.16
Promoting Interoperability100
Improvement Activities40
Cost55.94

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.

DR. KAUSTUBH SUBHASH YADWADKAR M.D.
Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
District of Columbia (304) 206-7595
FRED MO MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-8766
SEBLE YIRGA
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7265
ARLETTE THOMPSON-PILE
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-3689
JENNA ELIZABETH HOROWITZ
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-2000
HALEY SWANSON FOSTER M.D.
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-5022
CLAIRE DALBY MD
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7106
MS. AMANDA JORDAN SUN PA-C
Physician Assistant
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (877) 772-6505

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 Nancy Dawson's NPI number?

The NPI number for Nancy Dawson is 1073571519. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Nancy Dawson located?

Nancy Dawson practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-2223.

What is Nancy Dawson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Nancy Dawson enrolled in Medicare?

Yes. Nancy Dawson 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 Nancy Dawson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Dawson reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Mgmc LLC (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 Nancy Dawson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nancy Dawson affiliated with any hospitals?

According to CMS data, Nancy Dawson is affiliated with Medstar Montgomery Medical Center.

When was this NPI record last updated?

The NPPES record for Nancy Dawson was last updated on March 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.