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DR. JOSHUA STEVEN OPPENHEIMER M.D.
NPI 1861841447
Emergency Medicine in Frederick, MD

Active since June 06, 2016PECOS Enrolled
400 W 7TH ST, FREDERICK, MD 21701(240) 566-3300 Get Directions Write a Review

NPPES record last updated: September 23, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 23, 2020, Sep 11, 2020 (2 updates tracked since 2020).

About Dr. Joshua Steven Oppenheimer M.d. NPPES

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

DR. JOSHUA STEVEN OPPENHEIMER M.D. (NPI 1861841447) is an individual emergency medicine provider in Frederick, Maryland, licensed in Maryland (D90088) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861841447
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JOSHUA STEVEN OPPENHEIMERCredential: M.D.
Location Address400 W 7TH STFrederick, MD 21701-4506
Mailing Address20533 Neerwinder StGermantown, MD 20874-2808 · (605) 212-2353
Phone(240) 566-3300
Sole ProprietorYes
Enumeration DateJune 6, 2016
Last NPPES UpdateSeptember 23, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2020
✔ NPI 1861841447 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 · D90088
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.
400 W 7TH ST, Frederick, MD 21701
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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)

Dr. Joshua Steven Oppenheimer 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 Joshua Oppenheimer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine Associates P.A., P.C.
24 mi
Internal Medicine
200 MEMORIAL AVE
Westminster, MD 21157
  • Reassigned Medicare billing, Maryland enrollment
  • 729 clinicians in this Medicare group
NPI 1003771320 (410) 848-3000
Mep Health, LLC
25 mi
Emergency Medicine
9901 MEDICAL CENTER DR
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 251 clinicians in this Medicare group
NPI 1164483558 (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 4

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.

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.
399 services391 patients
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.
235 services233 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.
75 services73 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.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21701 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
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.

MS. LINDA B PRUCE SLP
Speech-Language Pathologist
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3337
DR. JOSHUA COLIN FEBLOWITZ M.D.
Emergency Medicine
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3300
LORI SUSAN SPERLING D.P.T.
Physical Therapist
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (800) 603-6046
ROY DEGRANGE JR.
Nurse Anesthetist, Certified Registered
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (250) 566-3300
KATEY PURGASON NP
Nurse Practitioner
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3300
DR. BHARTI RAZDAN M.D.
Pediatrics (Neonatal-Perinatal Medicine)
400 W 7TH ST, NICU, FREDERICK MEMORIAL HOSPITAL
FREDERICK, MD 21701
Frederick County (240) 566-3582
PATRICIA M MAUNDU PHARM.D.
Pharmacist
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3393
HOSPITALIST MEDICINE PHYSICIANS OF MARYLAND-FREDERICK PC
Internal Medicine
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (615) 577-6366

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 Joshua Oppenheimer's NPI number?

The NPI number for Joshua Oppenheimer is 1861841447. It was assigned to this individual provider in the NPPES registry on June 6, 2016.

Where is Joshua Oppenheimer located?

Joshua Oppenheimer practices at 400 W 7th St, Frederick, MD 21701. The listed phone number is (240) 566-3300.

What is Joshua Oppenheimer's specialty?

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

Is Joshua Oppenheimer enrolled in Medicare?

Yes. Joshua Oppenheimer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joshua Oppenheimer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Oppenheimer reassigns Medicare benefits to 2 organizations: Emergency Medicine Associates P.A., P.C. (Westminster, MD) and Mep Health, LLC (Rockville, MD). 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 Joshua Oppenheimer'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 Joshua Oppenheimer was last updated on September 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.