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MARK ANTONIO JOHNSON MD
NPI 1831118868
Surgery in Washington, DC

Active since July 19, 2006PECOS EnrolledAccepts Medicare Assignment
1140 VARNUM STREET NE, SUITE 106, WASHINGTON, DC 20017(202) 448-4014(202) 448-4082 Get Directions Write a Review

NPPES record last updated: July 19, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark Antonio Johnson Md NPPES

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

MARK ANTONIO JOHNSON MD (NPI 1831118868) is an individual surgery provider in Washington, District Of Columbia, licensed in District Of Columbia (MD30469) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare White Oak Medical Center, and is a graduate of Howard University College Of Medicine (1993).

NPPES Registry Identity

NPI1831118868
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameMARK ANTONIO JOHNSONCredential: MD
Location Address1140 VARNUM STREET NE, SUITE 106Washington, DC 20017
Mailing Address1160 Varnum St Ne, Suite 300Washington, DC 20017-2107 · (202) 448-4014 · Fax (202) 448-4082
Phone(202) 448-4014
Fax(202) 448-4082
Sole ProprietorYes
Medical School CMSHoward University College Of MedicineGraduated 1993
Enumeration DateJuly 19, 2006
Last NPPES UpdateJuly 19, 2013
✔ NPI 1831118868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in DC · MD30469
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1140 VARNUM STREET NE, Washington, DC 20017
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Other Identifiers 9

Other52821Amerigroup
Medicare UPING84686
Medicaid017148800DC
Other2063270Aetna
Medicaid529000700MD
OtherF7920001Blue Cross
Medicare ID-Type Unspecified490256
Other16077Chartered Health Plan
Other392560United Healthcare Mamsi

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

Mark Antonio Johnson 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 ID3971596412
PECOS Enrollment IDI20040408000348
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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
30 services30 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services26 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Adventist Healthcare White Oak Medical Center

Acute Care Hospitals · Silver Spring, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210016
Location11890 Healing WaySilver Spring, MD 20904 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20017 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
9%22 patients1/55-star benchmark: 87%
Documentation of Current Medications in the Medical Record
86%286 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
18%238 patients1/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
12%278 patients1/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 0% · 125 patients
0%125 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Mark Johnson's NPI number?

The NPI number for Mark Johnson is 1831118868. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Mark Johnson located?

Mark Johnson practices at 1140 Varnum Street NE Suite 106, Washington, DC 20017. The listed phone number is (202) 448-4014.

What is Mark Johnson's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Mark Johnson enrolled in Medicare?

Yes. Mark Johnson 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.

Is Mark Johnson affiliated with any hospitals?

According to CMS data, Mark Johnson is affiliated with Adventist Healthcare White Oak Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Johnson was last updated on July 19, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.