Physician Profile
Based in Hattiesburg, MS, Kathryn L. McMullan, M.D. is listed in the NPI registry under allergy & immunology. Kathryn graduated from University of Mississippi School of Medicine in 2007. Kathryn is also listed as specializing in internal medicine. According to Medicare claims data, Kathryn cared for 572 Medicare patients across 4,189 services. The services billed most often include professional service for preparation and provision of 1 or more antigens, professional service for multiple injections of allergen, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
109 MILLSAPS DR STE C
Hattiesburg, MS 39402
Within Allergy and Immunology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Allergies
Digestive
Drug allergies
Drug allergy
Emergency
Environmental
Eye
Food allergies
Immune conditions
Immunology
Lung conditions
Respiratory
Sinus
Sinus conditions
Skin
Skin conditions
Most searched procedures
Allergy treatments
Diagnostic
Infusion
Medication therapy
Medications
Preventive
Respiratory
Tests
Treatment
4,189 services · 572 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
2,150 | More often than most peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
884 | More often than most peers in Allergy & Immunology |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
241 | More than most peers in Allergy & Immunology |
| Professional service for single injection of allergen | Treatment | 95115 |
206 | As often as other peers in Allergy & Immunology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
205 | More often than most peers in Allergy & Immunology |
| Influenza vaccine, trivalent derived from cell cultures | Treatment | 90661 |
15 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
395 | More than most peers in Allergy & Immunology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
41 | As often as other peers in Allergy & Immunology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
37 | As often as other peers in Allergy & Immunology |
| Administration of influenza virus vaccine | Billing code | G0008 |
15 | Less often than most peers in Allergy & Immunology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Kathryn L. McMullan is an allergist in Hattiesburg, MS. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Kathryn L. McMullan is listed at 109 Millsaps Dr Ste C, Hattiesburg, MS 39402. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (601) 268-5051. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Kathryn L. McMullan's National Provider Identifier is 1518164490. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Kathryn L. McMullan attended University of Mississippi School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Kathryn L. McMullan has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Kathryn L. McMullan provides treatments such as professional service for preparation and provision of 1 or more antigens and professional service for multiple injections of allergen, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Kathryn L. McMullan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.