Doctor profile · Federal record
Dr. Adam Williams, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Allergy & Immunology Physician · Internal Medicine Physician · Internal Medicine Physician · Bend, OR
- NPI 1265433445
- Accepts Medicare
- 27 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1501 Ne Medical Center Dr
Bend, OR 977016051
(541) 382-2811
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- March 29, 2021
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State licenses (2)
- Oregon #MD28200 · California #A75129
- Medicaid
- OR #218618
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265433445. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
48,439
Distinct HCPCS
10
Medicare allowed
$1,584,491
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2356 |
Injection, tezepelumab-ekko, 1 mg | 19,110 | 13 | $18 | |
J2357 |
Injection, omalizumab, 5 mg | 13,455 | 29 | $37 | |
J2182 |
Injection, mepolizumab, 1 mg | 10,900 | 12 | $29 | |
J0517 |
Injection, benralizumab, 1 mg | 2,220 | 21 | $166 | |
95004 |
Test for allergy using allergenic extract | 775 | 41 | $4 | |
96372 |
Injection of drug or substance under skin or into muscle | 742 | 69 | $14 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 450 | 29 | $15 | |
95115 |
Professional service for single injection of allergen | 253 | 20 | $10 | |
95117 |
Professional service for multiple injections of allergen | 229 | 22 | $11 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 120 | 120 | $162 |
In context: peer comparison
Among 1 peers in Bend Allergy & Immunology Physician, average services per provider: 3,459. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$34,522
Transactions
129
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genentech USA, INC. | 40 | $16,219.01 | |
| AstraZeneca Pharmaceuticals Lp | 24 | $11,914.93 | |
| Genzyme Corporation | 15 | $5,193.10 | |
| Novartis Pharmaceuticals Corporation | 5 | $260.80 | |
| Csl Behring | 14 | $224.51 | |
| GlaxoSmithKline, LLC. | 14 | $205.43 | |
| Lilly USA, LLC | 2 | $137.93 | |
| Blueprint Medicines Corporation | 2 | $130.54 | |
| Regeneron Healthcare Solutions, INC. | 4 | $88.63 | |
| Amgen INC. | 4 | $52.10 | |
| Grifols USA, LLC | 2 | $47.53 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $47.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
906
Patients
220
Total drug cost
$480,540
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azelastine Hcl | Generic | 158 | 44 | $5,695 |
| Ipratropium Bromide | Generic | 148 | 44 | $5,218 |
| Montelukast Sodium | Generic | 135 | 34 | $2,246 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 58 | 12 | $30,068 |
| Dupixent Syringe (Dupilumab) | Brand | 54 | 0 | $216,640 |
| Fluticasone Propionate | Generic | 47 | 15 | $634 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 43 | 25 | $1,556 |
| Prednisone | Generic | 39 | 34 | $195 |
| Budesonide-Formoterol Fumarate (Budesonide/Formoterol Fumarate) | Brand | 37 | 0 | $13,648 |
| Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) | Brand | 35 | 0 | $6,779 |
Frequently asked questions
What is Dr. Adam Williams's medical specialty?
Dr. Adam Williams practices Allergy & Immunology Physician in Bend, OR.
Where does Dr. Adam Williams practice?
Dr. Adam Williams practices at 1501 Ne Medical Center Dr, Bend, OR 977016051. Office phone: 5413822811.
What is Dr. Adam Williams's NPI?
Dr. Adam Williams's National Provider Identifier (NPI) is 1265433445, issued by NPPES.
Does Dr. Adam Williams accept Medicare assignment?
Yes. Dr. Adam Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Williams commonly perform?
Top Medicare-reported procedures in 2023: Injection, tezepelumab-ekko, 1 mg (HCPCS J2356); Injection, omalizumab, 5 mg (HCPCS J2357); Injection, mepolizumab, 1 mg (HCPCS J2182). Source: CMS Medicare Physician & Other Practitioners file.