DR. MICHAEL SAMUEL EPSTEIN M.D.
NPI 1942238928
Internal Medicine - Gastroenterology in Annapolis, MD

Q: What is Michael Epstein's NPI number?

The NPI number for Michael Epstein is 1942238928. It was assigned to this individual provider in the NPPES registry on June 29, 2006.

Q: What is Michael Epstein's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Epstein was last updated on February 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 June 29, 2006PECOS Enrolled

621 RIDGELY AVE, SUITE 201, ANNAPOLIS, MD 21401(410) 224-4887(410) 224-1428 Get Directions Write a Review

NPPES record last updated: February 19, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Michael Samuel Epstein M.d. NPPES

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

DR. MICHAEL SAMUEL EPSTEIN M.D. (NPI 1942238928) is an individual gastroenterology provider in Annapolis, Maryland, licensed in Maryland (D0034426) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942238928

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MICHAEL SAMUEL EPSTEINCredential: M.D.

Location Address621 RIDGELY AVE, SUITE 201Annapolis, MD 21401-1081

Mailing Address621 Ridgely Ave Ste 201Annapolis, MD 21401-1083 · (410) 224-4887 · Fax (410) 224-1428

Phone(410) 224-4887

Fax(410) 224-1428

Sole ProprietorNo

Enumeration DateJune 29, 2006

Last NPPES UpdateFebruary 19, 2015

✔ NPI 1942238928 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 · D0034426

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.

621 RIDGELY AVE, Annapolis, MD 21401

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Other Identifiers 1

Medicare UPIND05906MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael Samuel Epstein M.d. 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.

Medicare Billing Reassignment

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

Chesapeake Digestive Associates, PC

Same address

Gastroenterology

621 RIDGELY AVE STE 201
Annapolis, MD 21401

Reassigned Medicare billing, Maryland enrollment
55 clinicians in this Medicare group

NPI 1023765625 (410) 224-4887

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21401 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

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.

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.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%271 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

2 suppliers95 claims2,180 services$11.26 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197

Other-Enteral and Parenteral · category OB005N

2 suppliers97 claims375 services$280.61 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

2 suppliers97 claims375 services$8.03 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

2 suppliers97 claims375 services$25.09 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DIGESTIVE DISORDERS ASSOCIATES PC

Specialist

621 RIDGELY AVE, SUITE 201
ANNAPOLIS, MD 21401

Anne Arundel County (410) 266-1588

ARUNDEL AMBULATORY SURGERY CENTER, INC.

Clinic/Center (Ambulatory Surgical)

621 RIDGELY AVE, SUITE 401
ANNAPOLIS, MD 21401

Anne Arundel County (410) 224-2811

MARYLAND DIAGNOSTIC AND THERAPEUTIC ENDO CENTER, LLC

Clinic/Center (Endoscopy)

621 RIDGELY AVE, SUITE 105
ANNAPOLIS, MD 21401

Anne Arundel County (410) 224-3636

DR. BEVERLY ANN JIMENEZ DDS

Dentist (Pediatric Dentistry)

621 RIDGELY AVE, SUITE 206
ANNAPOLIS, MD 21401

Anne Arundel County (410) 224-2660

MARLA KUSH PROKOP, DMD, PA

Dentist (Pediatric Dentistry)

621 RIDGELY AVE, SUITE 202
ANNAPOLIS, MD 21401

Anne Arundel County (410) 897-1931

EARL LEROY CHAMBERS DDS

Dentist (General Practice)

621 RIDGELY AVE, SUITE 206
ANNAPOLIS, MD 21401

Anne Arundel County (410) 224-2660

DR. BARRY J CUKOR MD

Internal Medicine (Gastroenterology)

621 RIDGELY AVE, SUITE 201
ANNAPOLIS, MD 21401

Anne Arundel County (410) 224-4887

MISS DANIELLE RENEE BLANKENSHIP CRNA

Nurse Anesthetist, Certified Registered

621 RIDGELY AVE, STE 101
ANNAPOLIS, MD 21401

Anne Arundel County (410) 224-4887

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 Michael Epstein's NPI number?

The NPI number for Michael Epstein is 1942238928. It was assigned to this individual provider in the NPPES registry on June 29, 2006.

Where is Michael Epstein located?

Michael Epstein practices at 621 Ridgely Ave Suite 201, Annapolis, MD 21401. The listed phone number is (410) 224-4887.

What is Michael Epstein's specialty?

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

Is Michael Epstein enrolled in Medicare?

Yes. Michael Epstein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Epstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Epstein reassigns Medicare benefits to Chesapeake Digestive Associates, PC (Annapolis, 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 Michael Epstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Epstein was last updated on February 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.