CATHERINE TIERNEY CRNP
NPI 1699127936
Nurse Practitioner - Family in Gaithersburg, MD

Active since July 11, 2016PECOS EnrolledAccepts Medicare Assignment
76.26/100
CMS Quality Rating
12111 DARNESTOWN RD, GAITHERSBURG, MD 20878(301) 926-3020(215) 829-5855 Get Directions Write a Review

NPPES record last updated: September 16, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 16, 2022, Apr 10, 2019, Jul 11, 2016 (3 updates tracked since 2016).

About Catherine Tierney Crnp NPPES

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

CATHERINE TIERNEY CRNP (NPI 1699127936) is an individual family provider in Gaithersburg, Maryland, licensed in Maryland (R213930) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1699127936
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCATHERINE TIERNEYCredential: CRNP
Location Address12111 DARNESTOWN RDGaithersburg, MD 20878-3211
Mailing Address12111 Darnestown RdGaithersburg, MD 20878-3211
Fax(215) 829-5855
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJuly 11, 2016
Last NPPES UpdateSeptember 16, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2022
NPI 1699127936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses Licensed in MD · R213930 Licensed in DC · RN1023485 Licensed in VA · 0024184998
12111 DARNESTOWN RD, Gaithersburg, MD 20878

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

Catherine Tierney Crnp 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 ID4183903669
PECOS Enrollment IDI20161128002472, I20221123000634
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 14

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.
93 services93 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.
55 services55 patients
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.
33 services33 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
22 services22 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
22 services11 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.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20878 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

76.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.91
Promoting Interoperability100
Improvement Activities40
Cost48.97

Referred Medical Equipment & Supplies CMS DME claims 5

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

Lubricant, individual sterile packet, each A4332
DME-Medical/Surgical Supplies · category DA000N
3 suppliers11 claims1,650 services$0.11 avg. paid by Medicare
Indwelling catheter; foley type, two-way latex with coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4338
DME-Orthotic Devices · category DF000N
1 supplier11 claims11 services$10.20 avg. paid by Medicare
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
6 suppliers28 claims3,630 services$1.47 avg. paid by Medicare
Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352
DME-Orthotic Devices · category DF008N
3 suppliers26 claims5,160 services$5.86 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
1 supplier11 claims22 services$8.89 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 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
12111 DARNESTOWN RD, MEDSTAR MEDICAL GROUP
DARNESTOWN, MD 20878
General Practice
12111 DARNESTOWN RD
GAITHERSBURG, MD 20878
Clinic/Center (Urgent Care)
12111 DARNESTOWN RD
GAITHERSBURG, MD 20878
Nurse Practitioner (Family)
12111 DARNESTOWN RD
GAITHERSBURG, MD 20878
Family Medicine
12111 DARNESTOWN RD, MEDSTAR MEDICAL GROUP
GAITHERSBURG, MD 20878
Clinic/Center (Urgent Care)
12111 DARNESTOWN RD
GAITHERSBURG, MD 20878
Family Medicine
12111 DARNESTOWN RD, SUITE A
GAITHERSBURG, MD 20878

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 Catherine Tierney's NPI number?

The NPI number for Catherine Tierney is 1699127936. It was assigned to this individual provider in the NPPES registry on July 11, 2016.

Where is Catherine Tierney located?

Catherine Tierney practices at 12111 Darnestown Rd, Gaithersburg, MD 20878. The listed phone number is (301) 926-3020.

What is Catherine Tierney's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Catherine Tierney enrolled in Medicare?

Yes. Catherine Tierney 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.

When was this NPI record last updated?

The NPPES record for Catherine Tierney was last updated on September 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.