DR. PRINCESS ESSI MARK-ADJELI M.D.
NPI 1104351527
Internal Medicine - Medical Oncology in Washington, DC

Active since April 23, 2017PECOS EnrolledAccepts Medicare Assignment
74.39/100
CMS Quality Rating
5255 LOUGHBORO RD NW, WASHINGTON, DC 20016(202) 537-2000 Get Directions Write a Review

NPPES record last updated: August 9, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 9, 2023, Jul 7, 2023, Apr 23, 2017 (3 updates tracked since 2017).

About Dr. Princess Essi Mark-adjeli M.d. NPPES

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

DR. PRINCESS ESSI MARK-ADJELI M.D. (NPI 1104351527) is an individual medical oncology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD210011849) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Patchogue, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1104351527
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. PRINCESS ESSI MARK-ADJELICredential: M.D.
Location Address5255 LOUGHBORO RD NWWashington, DC 20016-2633
Mailing Address6201 Greenleigh Ave Ste 201Middle River, MD 21220-2004 · (410) 933-2704
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 23, 2017
Last NPPES UpdateAugust 9, 20233 updates tracked since enumeration
NPPES CertifiedAugust 9, 2023
NPI 1104351527 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in DC · MD210011849
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
5255 LOUGHBORO RD NW, Washington, DC 20016

Secondary Practice Location 1

Location 1100 Hospital Rd, Suite 201Patchogue, NY 11772-8809 · Phone (631) 447-3010

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. Princess Essi Mark-adjeli 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 ID3678992047
PECOS Enrollment IDI20231012000222
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 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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
73 services42 patients
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.
56 services39 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
55 services55 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
26 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20016 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
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.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

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.

Nurse Practitioner
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Obstetrics & Gynecology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Physician Assistant (Surgical)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Pharmacist
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Radiology (Radiological Physics)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Anesthesiology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Pathology (Cytopathology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Radiology (Diagnostic Radiology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016

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 Princess Mark-adjeli's NPI number?

The NPI number for Princess Mark-adjeli is 1104351527. It was assigned to this individual provider in the NPPES registry on April 23, 2017.

Where is Princess Mark-adjeli located?

Princess Mark-adjeli practices at 5255 Loughboro Rd NW, Washington, DC 20016. The listed phone number is (202) 537-2000.

What is Princess Mark-adjeli's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Princess Mark-adjeli enrolled in Medicare?

Yes. Princess Mark-adjeli 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 Princess Mark-adjeli was last updated on August 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.