LEAH D. CREAHAN (MD) – Gastroenterology Physician, NPI 1629500921
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
829 GASTROENTEROLOGY in MA
Provider Addresses for LEAH D. CREAHAN (MD)
157, Black Rock Drive, Hingham, Plymouth County, Massachusetts, 02189, United States
HINGHAM, MA 020434893
Phone: (781) 413-7360
Type: Mailing
725 ALBANY STREET, SHAPIRO 5 & 6
BOSTON, MA 021182526
Phone: (617) 414-5951
Fax: (617) 414-9251
Type: Location
299 LEXINGTON ST UNIT 4
WOBURN, MA 018015995
Phone: (781) 413-7360
Type: Mailing
45B DISCOVERY WAY
ACTON, MA 017204482
Phone: (978) 429-2010
Fax: (978) 264-1936
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 104 Open Payments records for all available years, with a total value of $2,470.
Total Amount is formed as General ($2,470) + Research ($0) + Ownership ($0) = $2,470.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($487).
Total Amount
$2,470
General + Research + Ownership
Payments
104
Total payment records
General Amount
$2,470
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2023-03-20
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 |
|---|---|---|---|---|
| I20230320002161 | I | Gastroenterology | 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 | 52 | 43 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 27 | 27 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 27 | 14 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 23 | 22 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 16 | 16 | $0 |
Insurance plans in this area (ZIP 02043)
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Group practice members
- 1
- 2
- 3
- 4
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Nurse Practitioner | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| - | MA | |
| Family Practice | NM | |
| - | MA | |
| - | MA | |
| Family Practice | MA | |
| - | MA | |
| Physician Assistant | MA |
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