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DR. WILLIAM MARK STEINBERG MD
NPI 1962408054
Internal Medicine - Gastroenterology in Rockville, MD

Active since June 23, 2005PECOS Enrolled
1201 SEVEN LOCKS RD, STE 111, ROCKVILLE, MD 20854(301) 762-5020(301) 294-7569 Get Directions Write a Review

NPPES record last updated: May 16, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Mark Steinberg Md NPPES

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

DR. WILLIAM MARK STEINBERG MD (NPI 1962408054) is an individual gastroenterology provider in Rockville, Maryland, licensed in Maryland (D0046519) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962408054
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. WILLIAM MARK STEINBERGCredential: MD
Location Address1201 SEVEN LOCKS RD, STE 111Rockville, MD 20854-2957
Mailing AddressPo Box 79632Baltimore, MD 21279-0632 · (301) 762-5020 · Fax (301) 309-3783
Phone(301) 762-5020
Fax(301) 294-7569
Sole ProprietorNo
Enumeration DateJune 23, 2005
Last NPPES UpdateMay 16, 2012
✔ NPI 1962408054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MD · D0046519
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1201 SEVEN LOCKS RD, Rockville, MD 20854
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Other Identifiers 4

Medicare UPINC87789MD
Medicaid270611301MD
Medicare PIN188306DC
Medicare PIN121639DC

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Mark Steinberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20854 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 20

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

DR. IRA LAWRENCE BERGER MD
Internal Medicine
1201 SEVEN LOCKS RD, STE 111
ROCKVILLE, MD 20854
Montgomery County (301) 762-5020
DR. ALEXANDER N. KINNAIRD M.D.
Internal Medicine
1201 SEVEN LOCKS RD, SUITE 200
ROCKVILLE, MD 20854
Montgomery County (301) 652-5771
ALLIED PHARMACEUTICAL SERVICES
Pharmacy (Mail Order Pharmacy)
1201 SEVEN LOCKS RD
ROCKVILLE, MD 20854
Montgomery County (301) 309-0999
DHC OF WASHINGTON, L.L.C.
Physiological Laboratory
1201 SEVEN LOCKS RD, SUITE 100
ROCKVILLE, MD 20854
Montgomery County (301) 424-1781
RAHUL Y. PATEL M.D.
Internal Medicine
1201 SEVEN LOCKS RD, SUITE 111
ROCKVILLE, MD 20854
Montgomery County (301) 762-5020
DR. TERRI NMN ESTEROWITZ MD
Internal Medicine
1201 SEVEN LOCKS RD, SUITE 111
ROCKVILLE, MD 20854
Montgomery County (301) 762-5020
DR. WILLIAM HENRY SILVERMAN MD
Internal Medicine
1201 SEVEN LOCKS RD, STE 111
ROCKVILLE, MD 20854
Montgomery County (301) 762-5020
DR. MARK NEAL LEVY D.P.M.
Podiatrist (Foot Surgery)
1201 SEVEN LOCKS RD, STE 202
ROCKVILLE, MD 20854
Montgomery County (301) 762-4636

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 William Steinberg's NPI number?

The NPI number for William Steinberg is 1962408054. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is William Steinberg located?

William Steinberg practices at 1201 Seven Locks Rd Ste 111, Rockville, MD 20854. The listed phone number is (301) 762-5020.

What is William Steinberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Steinberg enrolled in Medicare?

Yes. William Steinberg is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Steinberg was last updated on May 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.