RACHEL LITTLEFIELD M.D.
NPI 1508228503
Emergency Medicine in San Antonio, TX

Active since March 28, 2016PECOS Enrolled
3333 RESEARCH PLZ, SAN ANTONIO, TX 78235(512) 954-0724 Get Directions Write a Review

NPPES record last updated: May 7, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 7, 2020, May 14, 2019, Feb 11, 2017 and 1 more (4 updates tracked since 2016).

About Rachel Littlefield M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RACHEL LITTLEFIELD M.D. (NPI 1508228503) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (S0937) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Little Rock.

NPPES Registry Identity

NPI1508228503
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameRACHEL LITTLEFIELDCredential: M.D.
Location Address3333 RESEARCH PLZSan Antonio, TX 78235-5154
Mailing Address5905 Flight CtJacksonville, AR 72076-9800 · (512) 954-0724
Sole ProprietorYes
Enumeration DateMarch 28, 2016
Last NPPES UpdateMay 7, 20204 updates tracked since enumeration
NPPES CertifiedMay 7, 2020
NPI 1508228503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in TX · S0937 Licensed in AR · E-11839
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3333 RESEARCH PLZ, San Antonio, TX 78235

Secondary Practice Location 1

Location 14301 W Markham St, Slot 584Little Rock, AR 72205-7101 · Phone (501) 686-5356

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Rachel Littlefield M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
104 services96 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
77 services77 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
53 services51 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78235 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Primary Care)
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235
Nurse Practitioner (Family)
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235
Pharmacist (Critical Care)
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235
Nurse Practitioner
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235
Nurse Practitioner (Acute Care)
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235
Family Medicine
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235
Nurse Practitioner (Acute Care)
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235
Physician Assistant
3333 RESEARCH PLZ
SAN ANTONIO, TX 78235

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rachel Littlefield's NPI number?

The NPI number for Rachel Littlefield is 1508228503. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Where is Rachel Littlefield located?

Rachel Littlefield practices at 3333 Research Plz, San Antonio, TX 78235. The listed phone number is (512) 954-0724.

What is Rachel Littlefield's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Rachel Littlefield enrolled in Medicare?

Yes. Rachel Littlefield is registered in the Medicare PECOS enrollment system.

What insurance does Rachel Littlefield accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Molina Healthcare and Oscar Insurance Company and 2 other insurers list Rachel Littlefield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Rachel Littlefield was last updated on May 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.