Doctor profile · Federal record
Dr. Thomas Kemmerly, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Murrieta, CA
- NPI 1033476262
- Accepts Medicare
- MIPS 89.2 / 100 · 2023
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
40404 California Oaks RD Ste C
Murrieta, CA 925625786
(951) 600-0288 - Additional location
-
1925 W River RD, Apt 6206
Tucson, AZ 857041464
(714) 277-7067
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- April 16, 2018
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A128828
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033476262. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
545
Distinct HCPCS
10
Medicare allowed
$74,866
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 83 | 81 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 71 | 58 | $123 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 69 | 69 | $162 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 62 | 36 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 60 | 55 | $134 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 52 | 52 | $175 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 44 | 43 | $261 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 27 | 27 | $118 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 19 | 19 | $185 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 18 | 18 | $133 |
In context: peer comparison
Among 3 peers in Murrieta Gastroenterology Physician, average services per provider: 44. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$654
Transactions
37
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 12 | $277.59 | |
| Abbvie INC. | 20 | $275.36 | |
| Janssen Biotech, INC. | 2 | $48.03 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $33.68 | |
| Gilead Sciences, INC. | 1 | $19.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
816
Patients
320
Total drug cost
$100,553
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 290 | 118 | $5,418 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 158 | 155 | $11,392 |
| Omeprazole | Generic | 66 | 22 | $1,212 |
| Sodium Chloride (Sodium Chloride 0.45 %) | Brand | 52 | 0 | $623 |
| Amitriptyline Hcl | Generic | 31 | 14 | $377 |
| Lansoprazole | Generic | 28 | 0 | $4,482 |
| Spironolactone | Generic | 27 | 0 | $755 |
| Furosemide | Generic | 25 | 0 | $170 |
| Ursodiol | Generic | 23 | 0 | $5,739 |
| Famotidine | Generic | 21 | 0 | $635 |
Frequently asked questions
What is Dr. Thomas Kemmerly's medical specialty?
Dr. Thomas Kemmerly practices Gastroenterology Physician in Murrieta, CA.
Where does Dr. Thomas Kemmerly practice?
Dr. Thomas Kemmerly practices at 40404 California Oaks RD Ste C, Murrieta, CA 925625786. Office phone: 9516000288.
What is Dr. Thomas Kemmerly's NPI?
Dr. Thomas Kemmerly's National Provider Identifier (NPI) is 1033476262, issued by NPPES.
Does Dr. Thomas Kemmerly accept Medicare assignment?
Yes. Dr. Thomas Kemmerly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Kemmerly commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.