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DR. JEFFREY THOMAS LACZEK M.D.
NPI 1467437186
Internal Medicine - Gastroenterology in Bethesda, MD

Active since December 14, 2005PECOS EnrolledAccepts Medicare Assignment
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 319-3768(301) 295-4599 Get Directions Write a Review

NPPES record last updated: July 23, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 23, 2024, Apr 24, 2017 (2 updates tracked since 2017).

About Dr. Jeffrey Thomas Laczek M.d. NPPES

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

DR. JEFFREY THOMAS LACZEK M.D. (NPI 1467437186) is an individual gastroenterology provider in Bethesda, Maryland, licensed in Hawaii (MD - 13214) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1467437186
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JEFFREY THOMAS LACZEKCredential: M.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-5600
Mailing Address8901 Rockville PikeBethesda, MD 20889-5600 · (301) 319-3768 · Fax (301) 295-4599
Phone(301) 319-3768
Fax(301) 295-4599
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateDecember 14, 2005
Last NPPES UpdateJuly 23, 20242 updates tracked since enumeration
NPPES CertifiedJuly 23, 2024
✔ NPI 1467437186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in HI · MD - 13214
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD-13214 (HI)
8901 ROCKVILLE PIKE, Bethesda, MD 20889
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jeffrey Thomas Laczek 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 ID6305022807
PECOS Enrollment IDI20240910002118, I20240910004049, I20241030003662
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.

Medicare Billing Reassignment

Medicare enrollment records show Jeffrey Laczek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
2.2 mi
Physical Therapy
10410 NORTH KENSINGTON PARKWAY
Kensington, MD 20895
NPI 1376601872 (301) 897-2330

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210004
Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery (Vascular Surgery)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810
DR. BRADLEY ALLEN DENGLER M.D.
Neurological Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (610) 223-7261

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 Jeffrey Laczek's NPI number?

The NPI number for Jeffrey Laczek is 1467437186. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Where is Jeffrey Laczek located?

Jeffrey Laczek practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 319-3768.

What is Jeffrey Laczek's specialty?

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

Is Jeffrey Laczek enrolled in Medicare?

Yes. Jeffrey Laczek 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.

Which organization bills Medicare for Jeffrey Laczek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Laczek reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Laczek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jeffrey Laczek affiliated with any hospitals?

According to CMS data, Jeffrey Laczek is affiliated with Holy Cross Hospital.

When was this NPI record last updated?

The NPPES record for Jeffrey Laczek was last updated on July 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.