Doctor profile · Federal record
Dr. Margaret Gaynor, APRN, CNP
Nurse Practitioner · Gerontology Nurse Practitioner · McHenry, IL
- NPI 1164890869
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4309 W Medical Center Dr Ste B301
McHenry, IL 600508439
(847) 802-7400
fax (815) 759-4375
Credentials & registration
- NPI registered
- September 2015 — 11 yrs on file
- Profile last updated
- September 5, 2024
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (2)
- Illinois #209013236 · Illinois #041.256894
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164890869. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
479
Distinct HCPCS
5
Medicare allowed
$52,774
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 415 | 270 | $112 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 20 | 17 | $106 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $147 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 15 | $80 | |
94618 |
Test for exercise-induced lung stress | 11 | 11 | $30 |
In context: peer comparison
Among 17 peers in this city , average services per provider: 112. This provider delivers 4.3× the peer median.Open Payments
Industry payments received
All-time total
$2,435
Transactions
9
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | 7 | $2,284.25 | |
| AstraZeneca Pharmaceuticals LP | 1 | $129.95 | |
| PFIZER INC. | 1 | $20.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
661
Patients
274
Total drug cost
$255,977
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 115 | 30 | $100,128 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 102 | 56 | $3,862 |
| Prednisone | Generic | 90 | 64 | $428 |
| Azithromycin | Generic | 61 | 41 | $700 |
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 60 | 17 | $36,322 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 57 | 14 | $35,443 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 39 | 22 | $30,423 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 30 | 0 | $13,368 |
| Incruse Ellipta (Umeclidinium Bromide) | Brand | 25 | 0 | $19,094 |
| Ventolin Hfa (Albuterol Sulfate) | Brand | 20 | 15 | $1,477 |
Frequently asked questions
What is Dr. Margaret Gaynor's medical specialty?
Dr. Margaret Gaynor practices Nurse Practitioner in McHenry, IL.
Where does Dr. Margaret Gaynor practice?
Dr. Margaret Gaynor practices at 4309 W Medical Center Dr Ste B301, McHenry, IL 600508439. Office phone: 8478027400.
What is Dr. Margaret Gaynor's NPI?
Dr. Margaret Gaynor's National Provider Identifier (NPI) is 1164890869, issued by NPPES.
Does Dr. Margaret Gaynor accept Medicare assignment?
Yes. Dr. Margaret Gaynor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Gaynor commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.