Doctor profile · Federal record
Dr. William Dahms, D.O.
Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Newark, DE
- NPI 1952419376
- Accepts Medicare
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4923 Ogletown Stanton RD, Suite 200
Newark, DE 197132081
(302) 225-0451
fax (302) 225-0472
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- June 17, 2021
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Delaware #C2-0008640 · Maryland #H0067091
- Medicaid (3)
- NJ #0175501 · DE #1952419376 · MD #415810500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952419376. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,350
Distinct HCPCS
10
Medicare allowed
$347,214
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,147 | 41 | $0 | |
Q5106 |
Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 1,050 | 35 | $8 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 454 | 206 | $78 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 341 | 49 | $345 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 318 | 129 | $118 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 301 | 222 | $119 | |
90935 |
Hemodialysis procedure with physician evaluation | 162 | 97 | $70 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 128 | 124 | $172 | |
77001 |
Fluoroscopic guidance for insertion or removal of central vein access device | 70 | 55 | $18 | |
36558 |
Insertion of tunneled central venous tube for infusion (5 years or older) | 68 | 53 | $227 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 211. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$1,954
Transactions
73
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Mallinckrodt Hospital Products Inc. | 9 | $279.85 | |
| Fresenius USA Marketing, Inc. | 8 | $198.22 | |
| Bayer Healthcare Pharmaceuticals Inc. | 10 | $194.96 | |
| Aurinia Pharma U.S., Inc. | 9 | $176.26 | |
| Amgen Inc. | 6 | $139.17 | |
| Novartis Pharmaceuticals Corporation | 3 | $116.89 | |
| CALLIDITAS THERAPEUTICS US INC. | 6 | $116.58 | |
| Otsuka America Pharmaceutical, Inc. | 4 | $91.65 | |
| AstraZeneca Pharmaceuticals LP | 3 | $88.12 | |
| Medtronic, Inc. | 1 | $84.79 | |
| Ardelyx, Inc. | 3 | $71.36 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 4 | $63.56 | |
| Kyowa Kirin, Inc. | 3 | $62.17 | |
| SHIELD THERAPEUTICS INC | 1 | $54.50 | |
| Daiichi Sankyo Inc. | 3 | $52.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
893
Patients
250
Total drug cost
$20,316
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Torsemide | Generic | 233 | 75 | $4,387 |
| Losartan Potassium | Generic | 121 | 42 | $1,631 |
| Allopurinol | Generic | 81 | 27 | $1,221 |
| Amlodipine Besylate | Generic | 74 | 22 | $781 |
| Chlorthalidone | Generic | 48 | 13 | $1,031 |
| Spironolactone | Generic | 47 | 15 | $805 |
| Furosemide | Generic | 46 | 18 | $514 |
| Hydralazine Hcl | Generic | 45 | 16 | $1,785 |
| Eplerenone | Generic | 42 | 0 | $6,232 |
| Metoprolol Succinate | Generic | 28 | 0 | $544 |
Hospital affiliations
Frequently asked questions
What is Dr. William Dahms's medical specialty?
Dr. William Dahms practices Nephrology Physician in Newark, DE.
Where does Dr. William Dahms practice?
Dr. William Dahms practices at 4923 Ogletown Stanton RD, Newark, DE 197132081. Office phone: 3022250451.
What is Dr. William Dahms's NPI?
Dr. William Dahms's National Provider Identifier (NPI) is 1952419376, issued by NPPES.
Does Dr. William Dahms accept Medicare assignment?
Yes. Dr. William Dahms accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Dahms commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.