ROBERT S CALLAHAN (MD) – Family Medicine Physician, NPI 1962491779
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
442 FAMILY PRACTICE in DE
Provider Addresses for ROBERT S CALLAHAN (MD)
10 HEATHER LOFT CT
BEAR, DE 197011400
Phone: (302) 547-4992
Fax: (302) 444-8491
Type: Mailing
32 OMEGA DR
BUILDING J
NEWARK, DE 197132058
Phone: (302) 731-0942
Fax: (302) 444-8491
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 142 Open Payments records for all available years, with a total value of $2,548.
Total Amount is formed as General ($2,548) + Research ($0) + Ownership ($0) = $2,548.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: ABBVIE INC. ($447).
Total Amount
$2,548
General + Research + Ownership
Payments
142
Total payment records
General Amount
$2,548
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $447 |
| AstraZeneca Pharmaceuticals LP | $324 |
| Gilead Sciences, Inc. | $238 |
| Lundbeck LLC | $151 |
| Lilly USA, LLC | $101 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-01-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070126000609 | I | Family Practice | DE | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 641 | 292 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 477 | 63 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 256 | 256 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 232 | 232 | $0 |
| 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 | $0 |
Insurance plans in this area (ZIP 19701)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | DE | 90670 | Pneumococcal vaccine for injection into muscle | 60 | 60 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | DE | |
| Family Practice | DE | |
| Nurse Practitioner | DE | |
| Physician Assistant | PA | |
| Family Practice | DE | |
| Nurse Practitioner | DE | |
| Nurse Practitioner | DE | |
| Family Practice | DE | |
| Family Practice | DE | |
| - | DE |
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