William R Grier, M.D
William R Grier is an Internal Medicine specialist based in Baltimore, MD with over 10 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE, PULMONARY DISEASE
William R Grier, M.D has been part of the Baltimore medical community since 2016 in group practice. A Drexel University College of Medicine graduate since 2016, he brings 10+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and COPD. CMS MIPS quality score: 100/100 (2023).
At a glance
- Federal MIPS score higher than 97% of MIPS-scored doctors in Maryland
- Virtual visits available — no app or travel required
Older · 1618dNPPES updated 2021-12-20 · verify NPI on CMS · Verify license at Maryland Board of Physicians
Contact & Location
Practice Location
22 S Greene St Room N3e09, Baltimore, MD 21201-1544
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 97% of doctors in Maryland on federal quality measures.
MIPS Score
2023100/100
Maryland avg: 77.8 · US avg: 83.6
✓ Higher than most doctors nationally(+16.4 pts)
Top 3% of MIPS-scored doctors in MarylandHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better39.7%
Maryland avg: 83.4 · US avg: 82.8
⚠ Lower than most doctors nationally(-43.1 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
230
Unique beneficiaries
Standard volumePrescription Recipients
48
Patients prescribed
Prescriptions Written
229
Total claims
Total Medicare drug cost: $73k
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 COPD.
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
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+33%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+4%) — 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 (+15%) — 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
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+21%) — 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 (+11%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$875 received from industry
2 transactions reported in 2024 ·Moderate 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 William R Grier's NPI.
Social Vulnerability Index: 0.71 / 1.00
Moderate vulnerabilityHe practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.
Source: CDC/ATSDR Social Vulnerability Index.
Patient Reviews
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2016
Drexel University College of Medicine
Board certified · Dec 19, 2021
Self-reported via NPPES
10 years in practice
Established
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Drexel University College of Medicine (Class of 2016)
Virtual Internal Medicine Care With William R Grier
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William R Grier for blood pressure monitoring, cholesterol management, COPD management — no travel to Baltimore 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 William R Grier
NPI records show Dr. Grier as active with telehealth listed in Baltimore, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (410) 328-6110.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator · HRSA HPSA · CDC SVI. See Data Methodology.
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Contact William R Grier
Practice Location
22 S Greene St Room N3e09, Baltimore, MD 21201-1544
Mailing Address
22 S Greene St Room N3e09, Baltimore, MD 21201-1544
This is a provider directory. Contact the office directly to schedule appointments.
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