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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ARJUN PATEL MD
NPI 1649774944
Anesthesiology in Washington, DC

Active since March 21, 2018PECOS EnrolledAccepts Medicare Assignment
3800 RESERVOIR RD NW, WASHINGTON, DC 20007(202) 444-2000 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 21, 2026, Sep 2, 2026, Mar 11, 2023 and 4 more (7 updates tracked since 2018).

About Dr. Arjun Patel Md NPPES

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

DR. ARJUN PATEL MD (NPI 1649774944) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210012209) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Rutgers, Robert Woood Johnson Medical School (2018).

NPPES Registry Identity

NPI1649774944
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ARJUN PATELCredential: MD
Location Address3800 RESERVOIR RD NWWashington, DC 20007-2113
Mailing Address3800 Reservoir Rd NwWashington, DC 20007-2113 · (202) 444-2000
Phone(202) 444-2000
Sole ProprietorNo
Medical School CMSRutgers, Robert Woood Johnson Medical SchoolGraduated 2018
Enumeration DateMarch 21, 2018
Last NPPES UpdateSeptember 21, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2026
✔ NPI 1649774944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in DC · MD210012209
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
3800 RESERVOIR RD NW, Washington, DC 20007
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, UnitedHealthcare.Insurance ›

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. Arjun Patel 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 ID5597002121
PECOS Enrollment IDI20230905000609, I20230905001333
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 Arjun Patel 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 and Maryland enrollments
  • Also billed through NPI 1376887844 (Maryland)
  • 3,530 clinicians in this Medicare group
NPI 1205562816 (703) 558-1403
Medstar Medical Group Anesthesiology LLC
3.4 mi
Anesthesiology
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1528578333 (Maryland)
  • 482 clinicians in this Medicare group
NPI 1558976175 (703) 558-1403

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 11

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
56 services53 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
36 services36 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
33 services33 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
30 services30 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
28 services28 patients
Anesthesia for other procedure on lower leg, ankle, and foot bones 01480
Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.
21 services21 patients

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 Arjun Patel's NPI number?

The NPI number for Arjun Patel is 1649774944. It was assigned to this individual provider in the NPPES registry on March 21, 2018.

Where is Arjun Patel located?

Arjun Patel practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-2000.

What is Arjun Patel's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Arjun Patel enrolled in Medicare?

Yes. Arjun Patel 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 Arjun Patel's services?

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

What insurance does Arjun Patel accept?

Health plans from Baylor Scott and White Health Plan and UnitedHealthcare list Arjun Patel as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Arjun Patel was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.