MS. MARGARET ELIZABETH HAMM NP
NPI 1174034375
Nurse Practitioner in Washington, DC

Active since October 16, 2017PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
3800 RESERVOIR RD NW, WASHINGTON, DC 20007(202) 444-5842 Get Directions Write a Review

NPPES record last updated: October 16, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Margaret Elizabeth Hamm Np NPPES

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

MS. MARGARET ELIZABETH HAMM NP (NPI 1174034375) is an individual nurse practitioner in Washington, District Of Columbia, licensed in District Of Columbia (RN1020006) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1174034375
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. MARGARET ELIZABETH HAMMCredential: NP
Location Address3800 RESERVOIR RD NWWashington, DC 20007-2113
Mailing Address3800 Reservoir Rd NwWashington, DC 20007-2113
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 16, 2017
NPI 1174034375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in DC · RN1020006
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
3800 RESERVOIR RD NW, Washington, DC 20007

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Margaret Elizabeth Hamm Np 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 ID8628338258
PECOS Enrollment IDI20180130002607
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.

Hospital Affiliations CMS Care Compare 2

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

Medstar Saint Mary's Hospital

Acute Care Hospitals · Leonardtown, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210028
Location25500 Point Lookout RoadLeonardtown, MD 20650 · St. Marys County
Emergency services Birthing friendly

Reston Hospital Center

Acute Care Hospitals · Reston, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490107
Location1850 Town Center ParkwayReston, VA 20190 · Fairfax County
Emergency services

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
$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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

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.

Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Radiation Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007

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 Margaret Hamm's NPI number?

The NPI number for Margaret Hamm is 1174034375. It was assigned to this individual provider in the NPPES registry on October 16, 2017.

Where is Margaret Hamm located?

Margaret Hamm practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-5842.

What is Margaret Hamm's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Margaret Hamm enrolled in Medicare?

Yes. Margaret Hamm 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.

Is Margaret Hamm affiliated with any hospitals?

According to CMS data, Margaret Hamm is affiliated with Medstar Saint Mary's Hospital and Reston Hospital Center.

When was this NPI record last updated?

The NPPES record for Margaret Hamm was last updated on October 16, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.