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DR. STEVEN M KARP M.D.
NPI 1790700805
Anesthesiology - Pain Medicine in Fairfax, VA

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
74.1/100
CMS Quality Rating
3600 JOSEPH SIEWICK DR, FAIRFAX, VA 22033(703) 391-3129 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Steven M Karp M.d. NPPES

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

DR. STEVEN M KARP M.D. (NPI 1790700805) is an individual pain medicine provider in Fairfax, Virginia, licensed in Virginia (0101048118) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1790700805
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameDR. STEVEN M KARPCredential: M.D.
Location Address3600 JOSEPH SIEWICK DRFairfax, VA 22033-1709
Mailing Address3998 Fair Ridge Dr Ste 300Fairfax, VA 22033-2907 · (703) 766-9737 · Fax (703) 766-9725
Phone(703) 391-3129
Sole ProprietorNo
Medical School CMSWake Forest University School Of MedicineGraduated 1988
Enumeration DateJuly 12, 2006
Last NPPES UpdateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1790700805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in VA · 0101048118
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 0101048118 (VA)
3600 JOSEPH SIEWICK DR, Fairfax, VA 22033
Open in Google Maps ↗

Secondary Practice Locations 2

Location 14660 Kenmore Ave Ste 100Alexandria, VA 22304-1306 · Phone (703) 751-5763
Location 23028 Javier Rd Ste 400Fairfax, VA 22031-4622 · Phone (703) 698-8960

Other Identifiers 6

Other050048568VA · Railroad Medicare
OtherK142-0001VA · Care First
Other296041VA · Amerigroup
Other074524VA · Anthem
Medicaid1790700805VA
Other493811VA · Ncppo

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

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. Steven M Karp 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 ID3173580131
PECOS Enrollment IDI20060403000172, I20090602000120
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 3

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 lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
59 services56 patients
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.
18 services18 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.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

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.

74.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.63
Improvement Activities40
Cost40.03

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.

MELISSA K HERSCH CRNA
Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3129
NICOLE NGUYEN
Registered Nurse
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3600
MRS. GLORIA GILBERT BLACK CRNA
Nurse Anesthetist, Certified Registered
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 295-9360
LAURA R REJENT PA-C
Physician Assistant
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3600
KATHLEEN BEIGHT PT
Physical Therapist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3642
ASWANI KUMAR SUTHRAVE M.D.
Hospitalist
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3600
NORTHERN VIRGINIA PATHOLOGY PC
Pathology (Anatomic Pathology & Clinical Pathology)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-3654
HEATHER A COLLINS RNFA
Registered Nurse (Registered Nurse First Assistant)
3600 JOSEPH SIEWICK DR
FAIRFAX, VA 22033
Fairfax County (703) 391-4669

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 Steven Karp's NPI number?

The NPI number for Steven Karp is 1790700805. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Steven Karp located?

Steven Karp practices at 3600 Joseph Siewick Dr, Fairfax, VA 22033. The listed phone number is (703) 391-3129.

What is Steven Karp's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Steven Karp enrolled in Medicare?

Yes. Steven Karp 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.

What insurance does Steven Karp accept?

Health plans from Oscar Insurance Company list Steven Karp 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.

Is Steven Karp affiliated with any hospitals?

According to CMS data, Steven Karp is affiliated with Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Steven Karp was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.