Doctor profile · Federal record

Dr. William Parker, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Beavercreek, OH

  • NPI 1780665430
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2359 Lakeview Drive, Allergy & Asthma Associates
Beavercreek, OH 454313695
(937) 431-0721
fax (937) 431-5419
Mailing address
9800 Shelbyville RD Ste 220
Louisville, KY 402232992

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 22, 2021
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Ohio #35-05-8156-P
Medicaid
OH #0857603

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780665430. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,060
Distinct HCPCS
10
Medicare allowed
$52,821
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 2,299 38 $4
95165 Professional service for preparation and provision of 1 or more antigens 1,150 57 $14
95117 Professional service for multiple injections of allergen 631 30 $11
95115 Professional service for single injection of allergen 505 34 $9
95024 Test for allergy using allergenic extract injected into skin 190 29 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 87 64 $87
96160 Administration and interpretation of patient-focused health risk assessment 62 44 $2
94010 Test to measure expiratory airflow and volume 50 37 $25
95012 Test to measure the level of nitric oxide gas 48 32 $17
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $160

In context: peer comparison

Among 1 peers in Beavercreek Allergy & Immunology Physician, average services per provider: 460. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,072
Transactions
36
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 7 $326.84
Genzyme Corporation 11 $323.28
GlaxoSmithKline, LLC. 4 $151.52
Regeneron Healthcare Solutions, INC. 3 $54.73
Genentech USA, INC. 2 $45.47
Kaleo, INC. 2 $34.87
Optinose US, INC. 2 $31.18
Pfizer INC. 2 $30.94
Novartis Pharmaceuticals Corporation 1 $28.98
Blueprint Medicines Corporation 1 $28.19
Grifols USA, LLC 1 $15.85

By nature of payment

Food and Beverage
$1,072

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
486
Patients
106
Total drug cost
$286,211
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 102 28 $2,248
Spiriva Respimat (Tiotropium Bromide) Brand 43 11 $26,265
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 42 23 $1,208
Azelastine Hcl Generic 37 11 $673
Fluticasone Propionate Generic 36 15 $805
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 32 0 $24,534
Ipratropium Bromide Generic 25 0 $485
Tezspire (Tezepelumab-Ekko) Brand 25 0 $102,473
Dupixent Pen (Dupilumab) Brand 24 0 $89,600
Epinephrine Generic 24 18 $6,759

Frequently asked questions

Auto-generated from federal data
What is Dr. William Parker's medical specialty?
Dr. William Parker practices Allergy & Immunology Physician in Beavercreek, OH.
Where does Dr. William Parker practice?
Dr. William Parker practices at 2359 Lakeview Drive, Beavercreek, OH 454313695. Office phone: 9374310721.
What is Dr. William Parker's NPI?
Dr. William Parker's National Provider Identifier (NPI) is 1780665430, issued by NPPES.
Does Dr. William Parker accept Medicare assignment?
Yes. Dr. William Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Parker commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.