State Specialty Directory

Allergy & Immunology in NC

Federal CMS data for 36 allergy & immunology providers across NC. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

36
Providers
Median industry payments
$14,018
36
Allergy & Immunology Providers
in NC
$14,018
Median Industry Payments
per provider (2018–2024)
2,718
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing. Allergy & Immunology includes multiple subspecialties with different practice patterns. Learn more →

Allergy & Immunology Providers — NC

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
CHAY, CHRISTOPHER M.D. Asheville 80,668 4,643 Pembrolizumab injection (Keytruda) $7,396 (2020-2024) Food & Beverage (52%) Very High
NORRIS, JOHN MD Charlotte 25,167 1,434 Omalizumab injection (Xolair) for asthma/allergy $205,800 (2018-2024) Consulting (74%) Very High
LICHTENBERGER, FRANK MD, PHD Statesville 23,119 857 Privigen immune globulin injection, 500 mg $80,580 (2018-2024) Consulting (54%) Very High
PATEL, ROOPEN MD Charlotte 19,621 523 Omalizumab injection (Xolair) for asthma/allergy $202,226 (2018-2024) Consulting (93%) Very High
SMALLWOOD, JORDAN M.D. Asheville 13,378 1,430 Allergy skin test $10,402 (2018-2024) Consulting (57%) Very High
COLLINS, RICHARD MD Charlotte 10,448 453 Omalizumab injection (Xolair) for asthma/allergy $24,588 (2018-2024) Food & Beverage (100%) Very High
CRANFORD, CATHERINE MD Asheville 9,693 1,254 Allergy skin test $5,511 (2018-2024) Food & Beverage (99%) Very High
NASTASI, KENT M. D. Winston Salem 8,028 652 Omalizumab injection (Xolair) for asthma/allergy $56,294 (2018-2024) Consulting (67%) Very High
CHADHA, SHANNON MD Charlotte 6,567 432 Allergy skin test $22,382 (2018-2024) Food & Beverage (88%) Very High
PATEL, VANDANA M.D. Charlotte 5,929 291 Allergy skin test $28,413 (2018-2024) Food & Beverage (52%) Very High
ERRINGTON, GLENN MD Charlotte 3,998 470 Allergy immunotherapy preparation $14,854 (2018-2024) Food & Beverage (79%) Very High
WILLIAMS, AERIK MD, MPH Salisbury 3,647 221 Allergy skin test $220,323 (2018-2024) Consulting (73%) Very High
LAPUENTE, MICHAEL DO Charlotte 3,389 241 Allergy skin test $12,264 (2018-2024) Food & Beverage (100%) Very High
GALLAGHER, JOEL MD Reidsville 3,088 306 Allergy skin test $24,880 (2018-2024) Food & Beverage (94%) Very High
MEHLHOP, PAUL M.D. Greenville 2,913 320 Allergy immunotherapy preparation $811 (2018-2024) Food & Beverage (100%) Very High
ROBERTS, RICHARD MD Charlotte 2,847 217 Allergy skin test $9,812 (2018-2024) Food & Beverage (100%) Very High
MCWILLIAMS, LAURIE M.D. Raleigh 2,841 274 Allergy skin test $81,685 (2018-2024) Consulting (90%) Very High
ROMEO, JONATHAN DO Raleigh 2,739 252 Allergy skin test $192,776 (2018-2024) Consulting (93%) Very High
RADOJICIC, CRISTINE MD Durham 2,697 304 Allergy skin test $413,171 (2018-2024) Consulting (62%) Very High
COLLURA, CHRISTINA DO, MPH Charlotte 2,495 179 Allergy skin test $6,742 (2018-2024) Food & Beverage (100%) Very High
BAINS, SONIA MD Raleigh 2,322 269 Allergy skin test $43,450 (2018-2024) Consulting (51%) Very High
O'CONNOR, MAEVE MD Charlotte 2,277 222 Allergy skin test $1,622,522 (2018-2024) Consulting (60%) Very High
DONOHOE, MARGARET MD Elizabeth City 2,171 521 Allergy skin test $1,322 (2018-2024) Food & Beverage (100%) Very High
GILCHRIST, BAILEE M.D. Charlotte 1,926 134 Allergy skin test $14,892 (2019-2024) Food & Beverage (65%) Very High
GUTEKUNST, HEATHER MD Raleigh 1,683 283 Allergy skin test $12,166 (2018-2024) Food & Beverage (74%) Very High
DEOGUN, GURVINDER MD Raleigh 1,298 209 Allergy skin test $13,183 (2018-2024) Food & Beverage (99%) Very High
LIDDLE SAXTON, KATHERINE M.D. Fayetteville 1,141 277 Allergy immunotherapy preparation $10,880 (2018-2024) Food & Beverage (99%) Very High
TURNQUIST, JACOB M.D. Fayetteville 940 172 Allergy skin test $1,452 (2023-2024) Food & Beverage (100%) Very High
FITZHUGH, DAVID M.D. Chapel Hill 713 165 Allergy immunotherapy preparation $79,835 (2018-2024) Consulting (80%) Very High
KLAFFKY, ERIN MD Statesville 639 172 Allergy skin test $1,258 (2019-2024) Food & Beverage (100%) Very High
KWAN, MILDRED MD Chapel Hill 457 183 Allergy immunotherapy preparation $11 (2020-2020) Education (100%) Very High
GUILLOT, RICHARD M.D. Jacksonville 211 72 Allergy injection therapy, multiple injections $3,439 (2018-2024) Food & Beverage (100%) Very High
COMMINS, SCOTT MD, PHD Chapel Hill 164 101 Allergy injection therapy, multiple injections $452,836 (2018-2024) Consulting (98%) Very High
GAYAM, PADMAJA MD Cary 41 34 Office visit, established patient (20-29 min) $386 (2018-2024) Food & Beverage (96%) Very High
VADLAMUDI, ANUSHA M.D. Wilmington 40 34 Office visit, established patient (30-39 min) $1,229 (2018-2020) Food & Beverage (100%) Very High
JOHNSON, SARAH MD Durham 34 22 Allergy injection therapy, multiple injections $125 (2024-2024) Food & Beverage (100%) High
Note: Allergy & Immunology encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →