Doctor profile · Federal record

Dr. Allyn Sisson, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Meridian, MS

  • NPI 1205589157
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4909 Great River Drive
Meridian, MS 39305
(601) 282-8980
fax (601) 693-6561

Credentials & registration

NPPES · NUCC
NPI registered
February 2022 — 4 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Mississippi #905115

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205589157. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,709
Distinct HCPCS
10
Medicare allowed
$117,923
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,016 789 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 122 120 $69
80048 Blood test, basic group of blood chemicals (calcium, total) 99 88 $8
83735 Magnesium level 98 96 $7
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 86 80 $6
80053 Blood test, comprehensive group of blood chemicals 73 71 $10
84443 Blood test, thyroid stimulating hormone (tsh) 62 60 $16
84439 Thyroxine (thyroid chemical), free 46 44 $9
80061 Blood test, lipids (cholesterol and triglycerides) 39 39 $13
99495 Transitional care management services for problem of at least moderate complexity 29 29 $157

In context: peer comparison

Among 34 peers in this city , average services per provider: 91. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$776
Transactions
48
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 12 $232.40
Novartis Pharmaceuticals Corporation 24 $223.40
AstraZeneca Pharmaceuticals LP 3 $172.00
E.R. Squibb & Sons, L.L.C. 5 $82.89
Regeneron Healthcare Solutions, Inc. 2 $34.91
Kiniksa Pharmaceuticals International, plc 1 $17.31
Lexicon Pharmaceuticals, Inc. 1 $13.27

By nature of payment

Food and Beverage
$776

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,709
Patients
702
Total drug cost
$165,345
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 236 95 $2,043
Carvedilol Generic 162 69 $2,028
Eliquis (Apixaban) Brand 142 48 $136,679
Furosemide Generic 135 65 $855
Spironolactone Generic 115 36 $1,043
Nebivolol Hcl Generic 114 40 $6,997
Rosuvastatin Calcium Generic 109 45 $1,894
Metoprolol Succinate Generic 108 58 $1,894
Olmesartan Medoxomil Generic 95 38 $2,245
Nifedipine Er (Nifedipine) Brand 94 37 $2,861

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allyn Sisson's medical specialty?
Dr. Allyn Sisson practices Family Nurse Practitioner in Meridian, MS.
Where does Dr. Allyn Sisson practice?
Dr. Allyn Sisson practices at 4909 Great River Drive, Meridian, MS 39305. Office phone: 6012828980.
What is Dr. Allyn Sisson's NPI?
Dr. Allyn Sisson's National Provider Identifier (NPI) is 1205589157, issued by NPPES.
Does Dr. Allyn Sisson accept Medicare assignment?
Yes. Dr. Allyn Sisson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allyn Sisson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.