Doctor profile · Federal record
Dr. John Marshall, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Dallas, TX
- NPI 1437135563
- Accepts Medicare
- MIPS 79.6 / 100 · 2023
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7777 Forest Ln
Dallas, TX 752302505
(972) 758-3598 - Mailing address
-
Po Box 201606
Dallas, TX 753201606
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- July 9, 2014
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Texas #M0164
- Medicaid
- TX #173183801
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437135563. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
238
Distinct HCPCS
8
Medicare allowed
$32,392
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 73 | 73 | $182 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 48 | $89 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 37 | 37 | $125 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 18 | 18 | $112 | |
99284 |
Emergency department visit with moderate level of medical decision making | 16 | 16 | $125 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $167 | |
99291 |
Critical care, first 30-74 minutes | 15 | 14 | $218 | |
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 12 | 12 | $7 |
In context: peer comparison
Among 162 peers in Dallas Emergency Medicine Physician, average services per provider: 94. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$55
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 1 | $55.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
265
Patients
262
Total drug cost
$1,623
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 82 | 81 | $162 |
| Azithromycin | Generic | 53 | 52 | $253 |
| Naproxen | Generic | 34 | 34 | $105 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 30 | 30 | $117 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 26 | 26 | $631 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 26 | 25 | $258 |
| Cephalexin | Generic | 14 | 14 | $98 |
Hospital affiliations
Frequently asked questions
What is Dr. John Marshall's medical specialty?
Dr. John Marshall practices Emergency Medicine Physician in Dallas, TX.
Where does Dr. John Marshall practice?
Dr. John Marshall practices at 7777 Forest Ln, Dallas, TX 752302505. Office phone: 9727583598.
What is Dr. John Marshall's NPI?
Dr. John Marshall's National Provider Identifier (NPI) is 1437135563, issued by NPPES.
Does Dr. John Marshall accept Medicare assignment?
Yes. Dr. John Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Marshall commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.