Doctor profile · Federal record
Dr. Rachel Littlefield, M.D.
Emergency Medicine Physician · Emergency Medicine Physician · San Antonio, TX
- NPI 1508228503
- 10 yrs on file
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3333 Research Plz
San Antonio, TX 782355154
(512) 954-0724 - Additional location
-
4301 W Markham St, Slot 584
Little Rock, AR 722057101
(501) 686-5356 - Mailing address
-
5905 Flight CT
Jacksonville, AR 720769800
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- May 7, 2020
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Texas #S0937 · Arkansas #E-11839
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508228503. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
338
Distinct HCPCS
4
Medicare allowed
$37,494
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 118 | 111 | $8 | |
99285 |
Emergency department visit with high level of medical decision making | 93 | 91 | $169 | |
99291 |
Critical care, first 30-74 minutes | 75 | 74 | $199 | |
99284 |
Emergency department visit with moderate level of medical decision making | 52 | 52 | $115 |
In context: peer comparison
Among 131 peers in San Antonio Emergency Medicine Physician, average services per provider: 107. This provider delivers 3.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
137
Patients
135
Total drug cost
$1,514
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 35 | 35 | $683 |
| Ondansetron Odt (Ondansetron) | Brand | 29 | 28 | $280 |
| Dicyclomine Hcl | Generic | 19 | 19 | $131 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 17 | $138 |
| Tizanidine Hcl | Generic | 13 | 13 | $46 |
| Pantoprazole Sodium | Generic | 12 | 12 | $53 |
| Naproxen | Generic | 11 | 11 | $183 |
Frequently asked questions
What is Dr. Rachel Littlefield's medical specialty?
Dr. Rachel Littlefield practices Emergency Medicine Physician in San Antonio, TX.
Where does Dr. Rachel Littlefield practice?
Dr. Rachel Littlefield practices at 3333 Research Plz, San Antonio, TX 782355154. Office phone: 5129540724.
What is Dr. Rachel Littlefield's NPI?
Dr. Rachel Littlefield's National Provider Identifier (NPI) is 1508228503, issued by NPPES.
What procedures does Dr. Rachel Littlefield commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.