Mark O'Brien Peeler, MD
Mark O'Brien Peeler is a Surgery specialist based in Annapolis, MD with over 34 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across MD can see Mark O'Brien Peeler, MD in person in Annapolis or via virtual visit — no travel required. A Johns Hopkins University School of Medicine graduate since 1992, he brings 34+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
Older · 5599dNPPES updated 2011-01-24 · verify NPI on CMS · Verify license at Maryland Board of Physicians
Contact & Location
Practice Location
2002 Medical Pkwy Suite 520, Annapolis, MD 21401-3046
How Does This Doctor Compare?
Opioid Rx
↓ Lower = better31.48%
Maryland avg: 4.4 · US avg: 5.1
⚠ Lower than most doctors nationally(+26.4 pts)
31.48% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
1,435
Unique beneficiaries
High volumePrescription Recipients
35
Patients prescribed
Prescriptions Written
54
Total claims
Total Medicare drug cost: $8k
Percentile rankings compared against 2,391 reporting peers in Maryland.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+6%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+15%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+4%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+4%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+4%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+4%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$424 received from industry
4 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Mark O'Brien Peeler's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1992
Johns Hopkins University School of Medicine
34 years in practice
Senior practitioner
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Taxonomy: 208600000X
Education & Training
Johns Hopkins University School of Medicine (Class of 1992)
Mailing address
Po Box 64323, Baltimore, MD 21264-4323
Differs from practice location
Virtual Surgery Care With Mark O'Brien Peeler
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark O'Brien Peeler for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Annapolis required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Mark O'Brien Peeler
Dr. Peeler is listed as active in the NPI registry with telehealth listed in Annapolis, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (410) 266-1188.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Mark O'Brien Peeler
Practice Location
2002 Medical Pkwy Suite 520, Annapolis, MD 21401-3046
Mailing Address
Po Box 64323, Baltimore, MD 21264-4323
This is a provider directory. Contact the office directly to schedule appointments.
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