Catherine Tierney, CRNP
Catherine Tierney is a Family Nurse Practitioner based in Gaithersburg, MD with over 10 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Catherine Tierney, CRNP has been part of the Gaithersburg medical community since 2016 in group practice. She has been in practice for 10+ years. Among her Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data). CMS MIPS quality score: 76.27/100 (2023).
At a glance
- Uses generic medications more than 59% of reporting doctors in Maryland
- Federal MIPS score higher than 38% of MIPS-scored doctors in Maryland
- Virtual visits available — no app or travel required
Older · 1345dNPPES updated 2022-09-16 · verify NPI on CMS · Verify license at Maryland Board of Physicians
Contact & Location
Practice Location
12111 Darnestown Rd, Gaithersburg, MD 20878-3211
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
202376.27/100
Maryland avg: 77.8 · US avg: 83.6
⚠ Lower than most doctors nationally(-7.3 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better89.3%
Maryland avg: 83.4 · US avg: 82.8
✓ Higher than most doctors nationally(+6.5 pts)
Typical range among reporting doctors in MarylandHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
285
Unique beneficiaries
Standard volumePrescription Recipients
117
Patients prescribed
Prescriptions Written
140
Total claims
Total Medicare drug cost: $3k
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+4%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-4%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+3%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$28 received from industry
1 transaction 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 Catherine Tierney's NPI.
Patient Reviews
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Sep 15, 2022
Self-reported via NPPES
10 years in practice
Established
Definition to come...
Taxonomy: 363LF0000X
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 500027
View hospital on Medicare Care CompareVirtual Nursing Care With Catherine Tierney
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Catherine Tierney for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Gaithersburg 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 Catherine Tierney
NPI records show Dr. Tierney as active with telehealth listed in Gaithersburg, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (301) 926-3020.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Catherine Tierney
Practice Location
12111 Darnestown Rd, Gaithersburg, MD 20878-3211
Mailing Address
12111 Darnestown Rd, Gaithersburg, MD 20878-3211
This is a provider directory. Contact the office directly to schedule appointments.
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