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DR. RICHARD M CHASEN M.D.
NPI 1790780351
Internal Medicine - Gastroenterology in Laurel, MD

Active since June 20, 2005PECOS EnrolledAccepts Medicare Assignment
7350 VAN DUSEN RD, STE 210, LAUREL, MD 20707(301) 498-5500(301) 498-7346 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 3, 2026, Dec 30, 2020 (2 updates tracked since 2020).

About Dr. Richard M Chasen M.d. NPPES

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

DR. RICHARD M CHASEN M.D. (NPI 1790780351) is an individual gastroenterology provider in Laurel, Maryland, licensed in Maryland (D0022862) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1790780351
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. RICHARD M CHASENCredential: M.D.
Location Address7350 VAN DUSEN RD, STE 210Laurel, MD 20707-5268
Mailing Address10770 Columbia Pike Ste 400Silver Spring, MD 20901-4462 · (301) 498-5500 · Fax (301) 625-6906
Phone(301) 498-5500
Fax(301) 498-7346
Sole ProprietorNo
Medical School CMSHoward University College Of MedicineGraduated 1977
Enumeration DateJune 20, 2005
Last NPPES UpdateFebruary 3, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2026
✔ NPI 1790780351 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 · D0022862
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.
7350 VAN DUSEN RD, Laurel, MD 20707
Open in Google Maps ↗

Secondary Practice Locations 2

Location 16230 Old Dobbin Ln Ste 150Columbia, MD 21045-5809 · Phone (410) 730-9363 · Fax (410) 730-2084
Location 27350 Van Dusen Rd Ste 410Laurel, MD 20707-5265 · Phone (301) 498-5500 · Fax (301) 498-7346

Other Identifiers 8

OtherA1110005DC · Carefirst Bcbs Dc
OtherP00679070MD · Railroad Medicare
OtherN5630028MD · Carefirst Md/dc
Medicaid558421300MD
Other111914998MD · Railroad Medicare
Other411880-01MD · Carefirst Bsmd
Other2516-0004DC · Carefirst Bsdc
OtherA1130006DC · Carefirst Bcbs Dc

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. Richard M Chasen 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 ID5395730105
PECOS Enrollment IDI20081031000463, I20081206000073
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 8

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
344 services237 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
154 services154 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
58 services58 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
48 services48 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
40 services40 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
22 services22 patients

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 20707 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.

MITCHELL A BARBER DPM
Podiatrist (Foot Surgery)
7350 VAN DUSEN RD, SUITE 310
LAUREL, MD 20707
Prince George's County (301) 490-2216
PAMELA SUMMERS MD
Physical Medicine & Rehabilitation (Pain Medicine)
7350 VAN DUSEN RD
LAUREL, MD 20707
Prince George's County (301) 725-4300
DORIANN R THOMAS MD
Radiology (Diagnostic Radiology)
7350 VAN DUSEN RD
LAUREL, MD 20707
Prince George's County (301) 725-5398
TRISTAN JORGE ORELLANO MD
Surgery
7350 VAN DUSEN RD, SUITE 340
LAUREL, MD 20707
Prince George's County (301) 725-5557
DR. HILARY UNAEGBU PHARM.D.
Pharmacist
7350 VAN DUSEN RD
LAUREL, MD 20707
Prince George's County (301) 604-8500
DR. UZOCHUKWU WILFRED UNEGBU MD
Family Medicine
7350 VAN DUSEN RD, SUITE 390
LAUREL, MD 20707
Prince George's County (301) 604-8000
FEROZ A PADDER
Internal Medicine (Cardiovascular Disease)
7350 VAN DUSEN RD, SUITE B 40
LAUREL, MD 20707
Prince George's County (240) 456-4772
INTRAMED INFUSION CENTER PA
Internal Medicine (Infectious Disease)
7350 VAN DUSEN RD, SUITE 220
LAUREL, MD 20707
Prince George's County (301) 604-8000

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 Richard Chasen's NPI number?

The NPI number for Richard Chasen is 1790780351. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Where is Richard Chasen located?

Richard Chasen practices at 7350 Van Dusen Rd Ste 210, Laurel, MD 20707. The listed phone number is (301) 498-5500.

What is Richard Chasen's specialty?

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

Is Richard Chasen enrolled in Medicare?

Yes. Richard Chasen 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.

Is Richard Chasen affiliated with any hospitals?

According to CMS data, Richard Chasen is affiliated with Holy Cross Hospital.

When was this NPI record last updated?

The NPPES record for Richard Chasen was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.