Doctor profile · Federal record
Dr. William Alexander, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Nashville, TN
- NPI 1609848738
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
343 22Nd Ave N
Nashville, TN 372031841
(615) 327-7835
fax (615) 321-4146 - Mailing address
-
3024 Business Park Cir
Goodlettsville, TN 370723132
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- April 12, 2021
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Tennessee #MD0000018809
- Medicaid (3)
- TN #3034431 · TN #3034434 · KY #64913668
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609848738. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
669
Distinct HCPCS
10
Medicare allowed
$68,559
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 133 | 87 | $52 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 83 | 62 | $81 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 65 | 63 | $77 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 60 | 47 | $133 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 30 | $74 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 41 | 41 | $100 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 39 | 38 | $232 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 37 | 37 | $143 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 29 | $91 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 30 | 28 | $121 |
In context: peer comparison
Among 27 peers in this city , average services per provider: 49. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$347
Transactions
11
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| EVOKE PHARMA, INC. | 3 | $137.99 | |
| ABBVIE INC. | 3 | $70.26 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $53.00 | |
| Janssen Biotech, Inc. | 2 | $40.98 | |
| AIMMUNE THERAPEUTICS, INC. | 1 | $25.63 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $18.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,290
Patients
286
Total drug cost
$75,345
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoclopramide Hcl | Generic | 302 | 69 | $1,628 |
| Pantoprazole Sodium | Generic | 226 | 55 | $3,026 |
| Famotidine | Generic | 158 | 43 | $2,605 |
| Dicyclomine Hcl | Generic | 102 | 34 | $3,581 |
| Linzess (Linaclotide) | Brand | 74 | 12 | $45,871 |
| Alprazolam | Generic | 61 | 0 | $265 |
| Sucralfate | Generic | 56 | 20 | $3,356 |
| Omeprazole | Generic | 54 | 15 | $664 |
| Promethazine Hcl | Generic | 52 | 13 | $692 |
| Bethanechol Chloride | Generic | 45 | 0 | $1,849 |
Hospital affiliations
Frequently asked questions
What is Dr. William Alexander's medical specialty?
Dr. William Alexander practices Gastroenterology Physician in Nashville, TN.
Where does Dr. William Alexander practice?
Dr. William Alexander practices at 343 22Nd Ave N, Nashville, TN 372031841. Office phone: 6153277835.
What is Dr. William Alexander's NPI?
Dr. William Alexander's National Provider Identifier (NPI) is 1609848738, issued by NPPES.
Does Dr. William Alexander accept Medicare assignment?
Yes. Dr. William Alexander accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Alexander commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.