Doctor profile · Federal record
Dr. Catherine Tierney, CRNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Family Nurse Practitioner · Gaithersburg, MD
- NPI 1699127936
- Accepts Medicare
- MIPS 76.3 / 100 · 2023
- 10 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12111 Darnestown RD
Gaithersburg, MD 208783211
(301) 926-3020
fax (215) 829-5855
Credentials & registration
- NPI registered
- July 2016 — 10 yrs on file
- Profile last updated
- September 16, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (3)
- Maryland #R213930 · District of Columbia #RN1023485 · Virginia #0024184998
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699127936. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
552
Distinct HCPCS
10
Medicare allowed
$41,875
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 127 | 125 | $121 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 65 | 65 | $158 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 62 | 31 | $16 | |
87426 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 54 | 54 | $34 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 44 | $86 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 33 | 32 | $15 | |
81003 |
Automated urinalysis test | 32 | 32 | $2 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 30 | 29 | $3 | |
71046 |
X-ray of chest, 2 views | 28 | 28 | $29 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 20 | $172 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 95. This provider delivers 5.8× the peer median.Open Payments
Industry payments received
All-time total
$28
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| 180 Medical, Inc. | 1 | $27.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
32
Patients
32
Total drug cost
$662
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 18 | 18 | $181 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 14 | 14 | $481 |
Frequently asked questions
What is Dr. Catherine Tierney's medical specialty?
Dr. Catherine Tierney practices Family Nurse Practitioner in Gaithersburg, MD.
Where does Dr. Catherine Tierney practice?
Dr. Catherine Tierney practices at 12111 Darnestown RD, Gaithersburg, MD 208783211. Office phone: 3019263020.
What is Dr. Catherine Tierney's NPI?
Dr. Catherine Tierney's National Provider Identifier (NPI) is 1699127936, issued by NPPES.
Does Dr. Catherine Tierney accept Medicare assignment?
Yes. Dr. Catherine Tierney accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Tierney commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804). Source: CMS Medicare Physician & Other Practitioners file.