Doctor profile · Federal record
Dr. Gailen Marshall, MD
Allergy & Immunology (Internal Medicine) Physician (CMS: Allergy/Immunology) · Jackson, MS
- NPI 1609810894
- Accepts Medicare
- MIPS 67.1 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
878 Lakeland Dr
Jackson, MS 392164500
(601) 815-1078
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- January 24, 2017
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RA0201X — NUCC code
- State license (1)
- Mississippi #18705
- Medicaid (2)
- MS #03152381 · LA #1723380
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609810894. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
127
Distinct HCPCS
3
Medicare allowed
$12,718
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 80 | 52 | $116 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 25 | 21 | $2 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $152 |
In context: peer comparison
Among 2 peers in Jackson Allergy & Immunology (Internal Medicine) Physician, average services per provider: 38. This provider delivers 3.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Gailen Marshall's medical specialty?
Dr. Gailen Marshall practices Allergy & Immunology (Internal Medicine) Physician in Jackson, MS.
Where does Dr. Gailen Marshall practice?
Dr. Gailen Marshall practices at 878 Lakeland Dr, Jackson, MS 392164500. Office phone: 6018151078.
What is Dr. Gailen Marshall's NPI?
Dr. Gailen Marshall's National Provider Identifier (NPI) is 1609810894, issued by NPPES.
Does Dr. Gailen Marshall accept Medicare assignment?
Yes. Dr. Gailen Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gailen Marshall commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration and interpretation of patient-focused health risk assessment (HCPCS 96160); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.