Doctor profile · Federal record
Dr. Ann Davis, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Naperville, IL
- NPI 1528012846
- Accepts Medicare
- 34 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
801 S Washington St Fl 4
Naperville, IL 605407430
(630) 600-0700
fax (630) 600-0701
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- July 14, 2021
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State licenses (2)
- Illinois #036.088789 · Illinois #036088789
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528012846. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,470
Distinct HCPCS
9
Medicare allowed
$205,538
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 865 | 528 | $132 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 184 | 182 | $194 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 152 | 148 | $15 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 142 | 142 | $173 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 56 | 36 | $123 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 22 | 18 | $82 | |
93229 |
Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional | 19 | 19 | $884 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 17 | 17 | $69 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $179 |
In context: peer comparison
Among 7 peers in Naperville Cardiovascular Disease Physician, average services per provider: 220. This provider delivers 6.7× the peer median.Open Payments
Industry payments received
All-time total
$3,883
Transactions
81
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 19 | $1,306.89 | |
| AstraZeneca Pharmaceuticals Lp | 11 | $661.25 | |
| E.R. Squibb & Sons, L.L.C. | 13 | $346.20 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 4 | $260.33 | |
| Novartis Pharmaceuticals Corporation | 13 | $259.06 | |
| Cardiac Dimensions, INC. | 1 | $142.67 | |
| Impulse Dynamics (USA) INC. | 1 | $141.87 | |
| Novo Nordisk INC | 2 | $135.81 | |
| Lexicon Pharmaceuticals, INC. | 2 | $123.80 | |
| Scpharmaceuticals INC. | 1 | $117.76 | |
| Esperion Therapeutics, INC. | 5 | $114.25 | |
| Daxor Corporation | 1 | $110.10 | |
| Kowa Pharmaceuticals America, INC. | 4 | $61.59 | |
| Pfizer INC. | 2 | $43.12 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 2 | $41.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,366
Patients
1,092
Total drug cost
$207,146
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 582 | 174 | $11,645 |
| Atorvastatin Calcium | Generic | 489 | 157 | $7,813 |
| Rosuvastatin Calcium | Generic | 416 | 135 | $6,068 |
| Amlodipine Besylate | Generic | 313 | 106 | $3,931 |
| Losartan Potassium | Generic | 250 | 83 | $3,746 |
| Ezetimibe | Generic | 204 | 69 | $7,146 |
| Lisinopril | Generic | 182 | 58 | $1,997 |
| Furosemide | Generic | 162 | 60 | $895 |
| Simvastatin | Generic | 138 | 40 | $1,829 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 118 | 37 | $1,643 |
Hospital affiliations
Frequently asked questions
What is Dr. Ann Davis's medical specialty?
Dr. Ann Davis practices Cardiovascular Disease Physician in Naperville, IL.
Where does Dr. Ann Davis practice?
Dr. Ann Davis practices at 801 S Washington St Fl 4, Naperville, IL 605407430. Office phone: 6306000700.
What is Dr. Ann Davis's NPI?
Dr. Ann Davis's National Provider Identifier (NPI) is 1528012846, issued by NPPES.
Does Dr. Ann Davis accept Medicare assignment?
Yes. Dr. Ann Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Davis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.