Doctor profile · Federal record
Dr. Mary Isaac, ANP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Knoxville, TN
- NPI 1538143961
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7503 S Northshore Dr
Knoxville, TN 379198002
(865) 531-1300
fax (865) 470-9190 - Mailing address
-
Po Box 440454
Nashville, TN 372440454
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- August 14, 2013
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Tennessee #11625 · Tennessee #145963
- Medicaid
- TN #3641918
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538143961. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
285
Distinct HCPCS
3
Medicare allowed
$20,703
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 122 | 99 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 120 | 98 | $100 | |
81003 |
Automated urinalysis test | 43 | 33 | $2 |
In context: peer comparison
Among 202 peers in Knoxville Family Nurse Practitioner, average services per provider: 112. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$625
Transactions
32
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 9 | $213.44 | |
| Lilly USA, LLC | 5 | $82.19 | |
| GlaxoSmithKline, LLC. | 4 | $71.22 | |
| AstraZeneca Pharmaceuticals Lp | 4 | $62.24 | |
| Novartis Pharmaceuticals Corporation | 2 | $50.19 | |
| Pfizer INC. | 2 | $39.88 | |
| Abbott Laboratories | 2 | $35.34 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $23.35 | |
| Ibsa Pharma INC. | 1 | $17.55 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $16.74 | |
| Amgen INC. | 1 | $13.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
377
Patients
165
Total drug cost
$3,873
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 41 | 0 | $544 |
| Prednisone | Generic | 36 | 29 | $63 |
| Levothyroxine Sodium | Generic | 32 | 0 | $489 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 29 | 25 | $332 |
| Pantoprazole Sodium | Generic | 28 | 0 | $271 |
| Amlodipine Besylate | Generic | 24 | 0 | $103 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 23 | 16 | $593 |
| Azithromycin | Generic | 23 | 23 | $139 |
| Doxycycline Hyclate | Generic | 22 | 22 | $237 |
| Lisinopril | Generic | 21 | 0 | $90 |
Frequently asked questions
What is Dr. Mary Isaac's medical specialty?
Dr. Mary Isaac practices Family Nurse Practitioner in Knoxville, TN.
Where does Dr. Mary Isaac practice?
Dr. Mary Isaac practices at 7503 S Northshore Dr, Knoxville, TN 379198002. Office phone: 8655311300.
What is Dr. Mary Isaac's NPI?
Dr. Mary Isaac's National Provider Identifier (NPI) is 1538143961, issued by NPPES.
Does Dr. Mary Isaac accept Medicare assignment?
Yes. Dr. Mary Isaac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Isaac commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.