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DR. GARY M. KORITZINSKY M.D.
NPI 1366472128
Internal Medicine in Washington, DC

Active since July 04, 2006Opted out of Medicare · through Jan 1, 2027
2021 K ST NW STE 520, WASHINGTON, DC 20006(202) 466-4016(202) 293-4118 Get Directions Write a Review

NPPES record last updated: July 15, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Gary M. Koritzinsky M.d. NPPES

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

DR. GARY M. KORITZINSKY M.D. (NPI 1366472128) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD15928) and active in the NPI registry since July 2006. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1366472128
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GARY M. KORITZINSKYCredential: M.D.
Location Address2021 K ST NW STE 520Washington, DC 20006-1003
Mailing Address2021 K St Nw Ste 520Washington, DC 20006-1003 · (202) 466-4016 · Fax (202) 293-4118
Phone(202) 466-4016
Fax(202) 293-4118
Sole ProprietorYes
Enumeration DateJuly 4, 2006
Last NPPES UpdateJuly 15, 2023
NPPES CertifiedJuly 15, 2023
✔ NPI 1366472128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DC · MD15928
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2021 K ST NW STE 520, Washington, DC 20006
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Gary M. Koritzinsky M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2013 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2013
Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20006 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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

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

GARY M. KORITZINSKY, M.D.
Internal Medicine
2021 K ST NW STE 520
WASHINGTON, DC 20006
District of Columbia (202) 466-4016

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 Gary Koritzinsky's NPI number?

The NPI number for Gary Koritzinsky is 1366472128. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Gary Koritzinsky located?

Gary Koritzinsky practices at 2021 K St NW Ste 520, Washington, DC 20006. The listed phone number is (202) 466-4016.

What is Gary Koritzinsky's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gary Koritzinsky enrolled in Medicare?

No. Gary Koritzinsky has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Gary Koritzinsky was last updated on July 15, 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.