ROBERT KNOX M.D.
NPI 1023005915
Surgery - Vascular Surgery in Silver Spring, MD

Q: What is Robert Knox's NPI number?

The NPI number for Robert Knox is 1023005915. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Q: What is Robert Knox's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Robert Knox was last updated on June 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since October 05, 2005PECOS EnrolledAccepts Medicare Assignment

1400 FOREST GLEN RD STE 330, SILVER SPRING, MD 20910(301) 905-3600(301) 905-3601 Get Directions Write a Review

NPPES record last updated: June 28, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 28, 2021, Jun 1, 2021 (2 updates tracked since 2021).

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About Robert Knox M.d. NPPES

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

ROBERT KNOX M.D. (NPI 1023005915) is an individual vascular surgery provider in Silver Spring, Maryland, licensed in Maryland (D0058600) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Doctors Community Medical Ctr, Inc, and is a graduate of Columbia University College Of Physicians And Surgeons (1990).

NPPES Registry Identity

NPI1023005915

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameROBERT KNOXCredential: M.D.

Location Address1400 FOREST GLEN RD STE 330Silver Spring, MD 20910-1459

Mailing Address1400 Forest Glen Rd Ste 330Silver Spring, MD 20910-1459 · (301) 905-3600 · Fax (301) 905-3601

Phone(301) 905-3600

Fax(301) 905-3601

Sole ProprietorNo

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1990

Enumeration DateOctober 5, 2005

Last NPPES UpdateJune 28, 20212 updates tracked since enumeration

NPPES CertifiedJune 28, 2021

✔ NPI 1023005915 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in MD · D0058600

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

1400 FOREST GLEN RD STE 330, Silver Spring, MD 20910

Open in Google Maps ↗

Other Identifiers 1

Medicaid403587900MD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.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

Robert Knox 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 ID3870632060

PECOS Enrollment IDI20091201000422, I20240930002001

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.

Hospital Affiliations CMS Care Compare 2

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

Luminis Health Doctors Community Medical Ctr, Inc

Acute Care Hospitals · Lanham, MD

2/5 CMS rating

OwnershipProprietary

CMS Certification Number210051

Location8118 Good Luck RoadLanham, MD 20706 · Prince Georges County

Emergency services

Jackson-Madison County General Hospital

Acute Care Hospitals · Jackson, TN

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440002

Location620 Skyline DriveJackson, TN 38301 · Madison County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20910 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.

Other Providers at the Same Location NPPES 2

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

DR. MATTHEW LEE DONG MD, MPH

Surgery

1400 FOREST GLEN RD STE 330
SILVER SPRING, MD 20910

Montgomery County (301) 905-3535

KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC

Health Maintenance Organization

1400 FOREST GLEN RD STE 330
SILVER SPRING, MD 20910

Montgomery County (301) 905-3500

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 Robert Knox's NPI number?

The NPI number for Robert Knox is 1023005915. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is Robert Knox located?

Robert Knox practices at 1400 Forest Glen Rd Ste 330, Silver Spring, MD 20910. The listed phone number is (301) 905-3600.

What is Robert Knox's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Robert Knox enrolled in Medicare?

Yes. Robert Knox 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 Robert Knox accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 4 other insurers list Robert Knox 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 Robert Knox affiliated with any hospitals?

According to CMS data, Robert Knox is affiliated with Luminis Health Doctors Community Medical Ctr, Inc and Jackson-Madison County General Hospital.

When was this NPI record last updated?

The NPPES record for Robert Knox was last updated on June 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.