Doctor profile · Federal record
Dr. Ronald Fields, MD
Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Specialist · Pulmonary Disease Physician · Baton Rouge, LA
- NPI 1962498196
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
7777 Hennessy Blvd Ste 701
Baton Rouge, LA 708084370
(225) 765-5864
fax (225) 765-2013 - Additional location
-
2647 S Saint Elizabeth Blvd Ste 215
Gonzales, LA 707375020
(225) 765-5500
fax (225) 644-4206
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- December 28, 2020
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- Louisiana #023084
- Medicaid (2)
- LA #1494259 · MS #01034394
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962498196. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,305
Distinct HCPCS
10
Medicare allowed
$60,757
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
94729 |
Test to examine how well the lungs exchange gases | 239 | 239 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 207 | 135 | $84 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 201 | 201 | $10 | |
94726 |
Test to determine lung volumes using sensors | 180 | 180 | $11 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 107 | 88 | $120 | |
94010 |
Test to measure expiratory airflow and volume | 96 | 96 | $8 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 68 | 36 | $75 | |
94618 |
Test for exercise-induced lung stress | 54 | 54 | $21 | |
94727 |
Test to determine lung volumes using gas dilution or washout | 46 | 46 | $11 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $152 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 82. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$2,213
Transactions
103
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 27 | $409.00 | |
| GENZYME CORPORATION | 13 | $373.56 | |
| AstraZeneca Pharmaceuticals LP | 16 | $316.86 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 14 | $260.82 | |
| Grifols USA, LLC | 7 | $170.75 | |
| UCB, Inc. | 6 | $100.49 | |
| Shionogi Inc | 4 | $87.59 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $81.02 | |
| La Jolla Pharmaceutical Company | 3 | $59.96 | |
| Vifor Pharma, Inc. | 2 | $54.56 | |
| Baxter Healthcare | 2 | $53.16 | |
| Actelion Pharmaceuticals US, Inc. | 2 | $47.71 | |
| Janssen Pharmaceuticals, Inc | 2 | $47.70 | |
| United Therapeutics Corporation | 2 | $45.74 | |
| Mylan Specialty L.P. | 1 | $26.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,173
Patients
598
Total drug cost
$891,875
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 625 | 157 | $523,418 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 616 | 199 | $19,472 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 147 | 34 | $69,930 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 114 | 34 | $70,797 |
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 111 | 35 | $77,733 |
| Prednisone | Generic | 79 | 43 | $341 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 72 | 13 | $37,107 |
| Montelukast Sodium | Generic | 60 | 20 | $715 |
| Rifampin | Generic | 58 | 0 | $2,729 |
| Azithromycin | Generic | 55 | 12 | $1,424 |
Hospital affiliations
Frequently asked questions
What is Dr. Ronald Fields's medical specialty?
Dr. Ronald Fields practices Critical Care Medicine (Internal Medicine) Physician in Baton Rouge, LA.
Where does Dr. Ronald Fields practice?
Dr. Ronald Fields practices at 7777 Hennessy Blvd Ste 701, Baton Rouge, LA 708084370. Office phone: 2257655864.
What is Dr. Ronald Fields's NPI?
Dr. Ronald Fields's National Provider Identifier (NPI) is 1962498196, issued by NPPES.
Does Dr. Ronald Fields accept Medicare assignment?
Yes. Dr. Ronald Fields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Fields commonly perform?
Top Medicare-reported procedures in 2023: Test to examine how well the lungs exchange gases (HCPCS 94729); Established patient office or other outpatient visit (HCPCS 99213); Test to measure expiratory airflow and volume changes before and after medication administration (HCPCS 94060). Source: CMS Medicare Physician & Other Practitioners file.