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DR. LOUIS A PIPER SR. M.D.
NPI 1548539182
Emergency Medicine in Germantown, MD

Active since December 28, 2011PECOS EnrolledAccepts Medicare Assignment
20010 CENTURY BLVD STE 200, GERMANTOWN, MD 20874(240) 686-2300 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Jul 5, 2017 (2 updates tracked since 2017).

About Dr. Louis A Piper Sr. M.d. NPPES

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

DR. LOUIS A PIPER SR. M.D. (NPI 1548539182) is an individual emergency medicine provider in Germantown, Maryland, licensed in District Of Columbia (MD044996) and active in the NPI registry since December 2011. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Doctors Community Medical Ctr, Inc, and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1548539182
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. LOUIS A PIPER SR.Credential: M.D.
Location Address20010 CENTURY BLVD STE 200Germantown, MD 20874-1118
Mailing Address20010 Century Blvd Ste 200Germantown, MD 20874-1118
Phone(240) 686-2300
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2013
Enumeration DateDecember 28, 2011
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1548539182 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in DC · MD044996✔ Licensed in PA · MT203415✔ Licensed in MD · D0083018
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.
20010 CENTURY BLVD STE 200, Germantown, MD 20874
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Secondary Practice Location 1

Location 15501 Old York RdPhiladelphia, PA 19141-3018 · Phone (215) 456-3834

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. Louis A Piper Sr. 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 ID2466728456
PECOS Enrollment IDI20171018002331
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 Louis Piper reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mep Health, LLC
6.9 mi
Emergency Medicine
9901 MEDICAL CENTER DR
Rockville, MD 20850
  • Reassigned Medicare billing, Maryland enrollment
  • 301 clinicians in this Medicare group
NPI 1164483558 (330) 493-4443
Emergency Medicine Associates P.A., P.C.
16 mi
Emergency Medicine
11901 BARON CAMERON AVE
Reston, VA 20190
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,150 clinicians in this Medicare group
NPI 1811852148 (330) 493-4443

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.
363 services349 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.
160 services155 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.
109 services107 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
19 services18 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.
14 services12 patients

Hospital Affiliations CMS Care Compare

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

Luminis Health Doctors Community Medical Ctr, Inc

Acute Care Hospitals · Lanham, MD
2/5 CMS rating
OwnershipProprietary
CMS Certification Number210051
Location8118 Good Luck RoadLanham, MD 20706 · Prince Georges County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20874 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 12

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

SARAH NELL SHOMPER PA-C
Physician Assistant (Medical)
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (240) 686-2300
TED FAN
Emergency Medicine
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (240) 686-2300
MS. PATRICIA L. MICOZZI P.A.-C
Physician Assistant (Medical)
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (240) 686-2300
JAFER ALI ABIDI MD
Internal Medicine
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (240) 686-2300
ALEXANDER MATTHEW SIEGEL MD
Emergency Medicine
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (888) 541-6368
TOOBA MEHTA M.D.
Internal Medicine
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (240) 686-2300
DR. AMBER PETERSON M.D.
Emergency Medicine
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (240) 686-2300
DR. ANDREW STAUFFER MEEKS M.D.
Emergency Medicine
20010 CENTURY BLVD STE 200
GERMANTOWN, MD 20874
Montgomery County (240) 686-2300

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 Louis Piper's NPI number?

The NPI number for Louis Piper is 1548539182. It was assigned to this individual provider in the NPPES registry on December 28, 2011.

Where is Louis Piper located?

Louis Piper practices at 20010 Century Blvd Ste 200, Germantown, MD 20874. The listed phone number is (240) 686-2300.

What is Louis Piper's specialty?

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

Is Louis Piper enrolled in Medicare?

Yes. Louis Piper 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 Louis Piper's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Louis Piper reassigns Medicare benefits to 2 organizations: Mep Health, LLC (Rockville, MD) and Emergency Medicine Associates P.A., P.C. (Reston, VA). 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 Louis Piper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Louis Piper affiliated with any hospitals?

According to CMS data, Louis Piper is affiliated with Luminis Health Doctors Community Medical Ctr, Inc.

When was this NPI record last updated?

The NPPES record for Louis Piper was last updated on March 17, 2018. 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.