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DR. THOMAS WALTER ABERNATHY JR. M.D.
NPI 1538105697
Internal Medicine - Gastroenterology in Catonsville, MD

Active since June 20, 2006PECOS EnrolledAccepts Medicare Assignment
8.83/100
CMS Quality Rating
700 GEIPE RD, SUITE 230, CATONSVILLE, MD 21228(410) 247-7500(410) 737-8424 Get Directions Write a Review

NPPES record last updated: August 8, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Thomas Walter Abernathy Jr. M.d. NPPES

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

DR. THOMAS WALTER ABERNATHY JR. M.D. (NPI 1538105697) is an individual gastroenterology provider in Catonsville, Maryland, licensed in Maryland (D0061137) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Agnes Hospital, and is a graduate of Drexel University College Of Medicine (1999).

NPPES Registry Identity

NPI1538105697
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. THOMAS WALTER ABERNATHY JR.Credential: M.D.
Location Address700 GEIPE RD, SUITE 230Catonsville, MD 21228-4147
Mailing Address700 Geipe Rd, Suite 230Catonsville, MD 21228-4147 · (410) 247-7500 · Fax (410) 737-8424
Phone(410) 247-7500
Fax(410) 737-8424
Sole ProprietorNo
Medical School CMSDrexel University College Of MedicineGraduated 1999
Enumeration DateJune 20, 2006
Last NPPES UpdateAugust 8, 2014
✔ NPI 1538105697 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 · D0061137
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.

700 GEIPE RD, Catonsville, MD 21228
Open in Google Maps ↗

Other Identifiers 3

Medicare PIN129401YLJMD
Medicare UPINI40788MD
Medicaid008505700MD

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. Thomas Walter Abernathy Jr. 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 ID6800820481
PECOS Enrollment IDI20050922000972
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 9

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.
178 services120 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
108 services89 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.
100 services99 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.
75 services75 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.
69 services67 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.
47 services47 patients

Hospital Affiliations CMS Care Compare

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

Saint Agnes Hospital

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210011
Location900 Caton AvenueBaltimore, MD 21229 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21228 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.

8.83/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Promoting Interoperability0
Improvement Activities0
Cost29.46

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
19%575 patients1/55-star benchmark: 85%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
94%1,436 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
80%596 patients4/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
84%251 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
43%490 patients2/55-star benchmark: 100%
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…
19%1,025 patients1/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 59% · 298 patients
Patients tobacco: 53% · 298 patients
9%22 patients1/55-star benchmark: 98%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
1%490 patients1/55-star benchmark: 100%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 358 patients
1%358 patients4/55-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.

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. MONICA MARIA STEWART M.D.
Internal Medicine (Rheumatology)
700 GEIPE RD, STE 200
CATONSVILLE, MD 21228
Baltimore County (410) 744-0661
DR. HIROSHI NAKAZAWA MD
Acupuncturist
700 GEIPE RD, SUITE 204
CATONSVILLE, MD 21228
Baltimore County (410) 744-8505
DR. DAVID VON RUEDEN M.D.
Surgery
700 GEIPE RD, SUITE 274
CATONSVILLE, MD 21228
Baltimore County (410) 368-3003
UDAY B NANAVATY, MD LLC
Internal Medicine (Pulmonary Disease)
700 GEIPE RD, SUITE 267-C
CATONSVILLE, MD 21228
Baltimore County (410) 747-8880
BILAL HASAN MBBS
Internal Medicine (Rheumatology)
700 GEIPE RD
CATONSVILLE, MD 21228
Baltimore County (410) 744-0661
DR. DEBRA GOLDMAN CURTIS M.D.
Internal Medicine
700 GEIPE RD
CATONSVILLE, MD 21228
Baltimore County (410) 368-8750
LOUIS A. SALAS M.D.
Internal Medicine (Gastroenterology)
700 GEIPE RD, SUITE 230
CATONSVILLE, MD 21228
Baltimore County (410) 247-7500
DIGESTIVE DISEASE ASSOCIATES, P.A.
Internal Medicine (Gastroenterology)
700 GEIPE RD, SUITE 230
CATONSVILLE, MD 21228
Baltimore County (410) 247-7500

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 Thomas Abernathy's NPI number?

The NPI number for Thomas Abernathy is 1538105697. It was assigned to this individual provider in the NPPES registry on June 20, 2006.

Where is Thomas Abernathy located?

Thomas Abernathy practices at 700 Geipe Rd Suite 230, Catonsville, MD 21228. The listed phone number is (410) 247-7500.

What is Thomas Abernathy's specialty?

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

Is Thomas Abernathy enrolled in Medicare?

Yes. Thomas Abernathy 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 Thomas Abernathy affiliated with any hospitals?

According to CMS data, Thomas Abernathy is affiliated with Saint Agnes Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Abernathy was last updated on August 8, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.