Doctor profile · Federal record

Dr. Kathryn McMullan, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Internal Medicine Physician · Hattiesburg, MS

  • NPI 1518164490
  • MIPS 78.0 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
109 Millsaps Dr Ste C
Hattiesburg, MS 39402
(601) 268-5051
fax (601) 268-5054

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
June 5, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Mississippi #20427
Medicaid
MS #09605797

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518164490. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,661
Distinct HCPCS
10
Medicare allowed
$101,526
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 1,865 45 $13
95004 Test for allergy using allergenic extract 947 19 $3
95117 Professional service for multiple injections of allergen 677 40 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 418 207 $116
94010 Test to measure expiratory airflow and volume 227 137 $23
95115 Professional service for single injection of allergen 172 13 $8
96372 Injection of drug or substance under skin or into muscle 163 23 $13
95024 Test for allergy using allergenic extract injected into skin 98 17 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 47 43 $81
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $152

In context: peer comparison

Among 2 peers in this city , average services per provider: 346. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,905
Transactions
90
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 24 $573.01
GlaxoSmithKline, LLC. 32 $485.95
AstraZeneca Pharmaceuticals LP 16 $383.10
Genentech USA, Inc. 4 $120.71
CSL Behring 4 $109.60
Amgen Inc. 2 $47.87
Octapharma USA, Inc. 2 $44.46
Novartis Pharmaceuticals Corporation 2 $42.51
Takeda Pharmaceuticals U.S.A., Inc. 1 $38.04
Grifols USA, LLC 2 $31.62
PFIZER INC. 1 $28.10

By nature of payment

Food and Beverage
$1,905

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,219
Patients
868
Total drug cost
$362,780
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 364 164 $16,089
Fluticasone Propionate Generic 358 140 $6,451
Montelukast Sodium Generic 357 92 $4,255
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 201 91 $7,285
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 178 37 $182,908
Ipratropium Bromide Generic 155 62 $6,401
Prednisone Generic 108 62 $263
Symbicort (Budesonide/Formoterol Fumarate) Brand 104 41 $55,770
Famotidine Generic 101 31 $1,239
Spiriva Respimat (Tiotropium Bromide) Brand 55 19 $38,894

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn McMullan's medical specialty?
Dr. Kathryn McMullan practices Allergy & Immunology Physician in Hattiesburg, MS.
Where does Dr. Kathryn McMullan practice?
Dr. Kathryn McMullan practices at 109 Millsaps Dr Ste C, Hattiesburg, MS 39402. Office phone: 6012685051.
What is Dr. Kathryn McMullan's NPI?
Dr. Kathryn McMullan's National Provider Identifier (NPI) is 1518164490, issued by NPPES.
Does Dr. Kathryn McMullan accept Medicare assignment?
Dr. Kathryn McMullan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Kathryn McMullan commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.