DR. ALISON CALLAHAN (MD) – Ophthalmology Physician, NPI 1992016059
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
Provider Addresses for DR. ALISON CALLAHAN (MD)
360 MERRIMACK STREET
BLDG 9 ENTRANCE I
LAWRENCE, MA 018431764
Phone: (978) 688-6182
Fax: (978) 689-0731
Type: Mailing
800 WASHINGTON ST
BOSTON, MA 021111552
Phone: (617) 636-5000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $52.
Total Amount is formed as General ($52) + Research ($0) + Ownership ($0) = $52.
Last reported payment date: 2024-03-28 • Largest payer in this snapshot: Galderma Laboratories, L.P. ($52).
Total Amount
$52
General + Research + Ownership
Payments
3
Total payment records
General Amount
$52
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Galderma Laboratories, L.P. | $52 |
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: 2016-09-28
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 |
|---|---|---|---|---|
| I20160928000562 | I | Ophthalmology | MA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 86 | 79 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 72 | 70 | $0 |
| 92081 | Exam of visual field with limited testing | 49 | 49 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 29 | 29 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 28 | 28 | $0 |
Insurance plans in this area (ZIP 01843)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | MA | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 14 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MA | |
| O P H T H A L M O L O G Y | MA | |
| - | MA | |
| O P H T H A L M O L O G Y | MA | |
| - | MA | |
| O P T O M E T R Y | MA | |
| O P T O M E T R Y | MA | |
| O P H T H A L M O L O G Y | OK | |
| O P H T H A L M O L O G Y | MA | |
| O P T O M E T R Y | MA |
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