DR. HEATHER HOLLOWELL DAVIS MD
NPI 1477594059
Emergency Medicine in Largo, MD

Active since June 08, 2006PECOS EnrolledAccepts Medicare Assignment
1221 MERCANTILE LN, LARGO, MD 20774(301) 938-3488 Get Directions Write a Review

NPPES record last updated: June 8, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Heather Hollowell Davis Md NPPES

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

DR. HEATHER HOLLOWELL DAVIS MD (NPI 1477594059) is an individual emergency medicine provider in Largo, Maryland, licensed in Maryland (D0061131) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lanham, and is a graduate of University Of Pittsburgh School Of Medicine (2001).

NPPES Registry Identity

NPI1477594059
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. HEATHER HOLLOWELL DAVISCredential: MD
Location Address1221 MERCANTILE LNLargo, MD 20774-5374
Mailing Address1221 Mercantile LnLargo, MD 20774-5374 · (301) 938-3488
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2001
Enumeration DateJune 8, 2006
Last NPPES UpdateJune 8, 2021
NPPES CertifiedJune 8, 2021
NPI 1477594059 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 · D0061131
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.
1221 MERCANTILE LN, Largo, MD 20774

Secondary Practice Location 1

Location 18118 Good Luck Rd, suite 351Lanham, MD 20706-3574 · Phone (301) 552-8665

Other Identifiers 1

Medicaid405521700MD

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

Dr. Heather Hollowell Davis 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 ID9335117746
PECOS Enrollment IDI20040923000341
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.

Areas of Expertise CMS Part B claims

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.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20774 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.

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.

Psychiatry & Neurology (Psychiatry)
1221 MERCANTILE LN
LARGO, MD 20774
Anesthesiology
1221 MERCANTILE LN
UPPER MARLBORO, MD 20774
Internal Medicine
1221 MERCANTILE LN, KAISER PERMANENTE LARGO MEDICAL CENTER
LARGO, MD 20774
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1221 MERCANTILE LN, DEPT OF OBGYN
LARGO, MD 20774
Anesthesiology
1221 MERCANTILE LN
UPPER MARLBORO, MD 20774
Physician Assistant
1221 MERCANTILE LN, KAISER PERMANENTE LARGO MEDICAL CENTER
LARGO, MD 20774
Urology
1221 MERCANTILE LN, KAISER PERMANENTE DEPARTMENT OF UROLOGY
LARGO, MD 20774
Obstetrics & Gynecology
1221 MERCANTILE LN
UPPER MARLBORO, MD 20774

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 Heather Davis's NPI number?

The NPI number for Heather Davis is 1477594059. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Heather Davis located?

Heather Davis practices at 1221 Mercantile Ln, Largo, MD 20774. The listed phone number is (301) 938-3488.

What is Heather Davis's specialty?

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

Is Heather Davis enrolled in Medicare?

Yes. Heather Davis 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.

When was this NPI record last updated?

The NPPES record for Heather Davis was last updated on June 8, 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.