Doctor profile · Federal record
Dr. Robert Callahan, MD
Family Medicine Physician (CMS: Family Practice) · Newark, DE
- NPI 1962491779
- Accepts Medicare
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
32 Omega Dr, Building J
Newark, DE 197132058
(302) 731-0942
fax (302) 444-8491 - Mailing address
-
10 Heather Loft CT
Bear, DE 197011400
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- October 5, 2016
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Delaware #C1-0008123
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962491779. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,839
Distinct HCPCS
10
Medicare allowed
$165,816
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 641 | 292 | $127 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 477 | 63 | $62 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 256 | 256 | $128 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 232 | 232 | $18 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 88 | 35 | $47 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 69 | 64 | $90 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 21 | 20 | $14 | |
G0402 |
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 17 | 17 | $162 | |
99496 |
Transitional care management services for problem of high complexity | 14 | 14 | $276 | |
0124A |
Adm sarscv2 bvl 30mcg/.3ml a | 12 | 12 | $39 |
In context: peer comparison
Among 20 peers in Newark Family Medicine Physician, average services per provider: 111. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$1,453
Transactions
70
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 17 | $273.28 | |
| AstraZeneca Pharmaceuticals Lp | 11 | $223.75 | |
| Lundbeck LLC | 6 | $150.99 | |
| Gilead Sciences, INC. | 4 | $106.74 | |
| Lilly USA, LLC | 6 | $100.57 | |
| GlaxoSmithKline, LLC. | 5 | $89.02 | |
| Merck Sharp & Dohme LLC | 4 | $65.69 | |
| Astellas Pharma US INC | 4 | $60.08 | |
| Novo Nordisk INC | 3 | $52.09 | |
| Tactile Systems Technology INC | 1 | $49.30 | |
| Abbott Laboratories | 2 | $44.24 | |
| Exact Sciences Corporation | 2 | $31.89 | |
| Teva Pharmaceuticals USA, INC. | 2 | $31.27 | |
| Amgen INC. | 2 | $27.66 | |
| Almatica Pharma LLC | 1 | $24.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,088
Patients
578
Total drug cost
$30,087
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 369 | 107 | $6,446 |
| Rosuvastatin Calcium | Generic | 215 | 64 | $7,319 |
| Amlodipine Besylate | Generic | 198 | 56 | $1,768 |
| Levothyroxine Sodium | Generic | 180 | 48 | $2,248 |
| Alprazolam | Generic | 158 | 37 | $1,049 |
| Lisinopril | Generic | 155 | 45 | $997 |
| Metformin Hcl | Generic | 132 | 38 | $1,034 |
| Losartan Potassium | Generic | 129 | 39 | $2,056 |
| Zolpidem Tartrate | Generic | 92 | 12 | $413 |
| Gabapentin | Generic | 91 | 20 | $2,261 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Callahan's medical specialty?
Dr. Robert Callahan practices Family Medicine Physician in Newark, DE.
Where does Dr. Robert Callahan practice?
Dr. Robert Callahan practices at 32 Omega Dr, Newark, DE 197132058. Office phone: 3027310942.
What is Dr. Robert Callahan's NPI?
Dr. Robert Callahan's National Provider Identifier (NPI) is 1962491779, issued by NPPES.
Does Dr. Robert Callahan accept Medicare assignment?
Yes. Dr. Robert Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Callahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.