JOHN MERGO (DO) – Anesthesiology Physician, NPI 1952301749
Anesthesiology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,268 ANESTHESIOLOGY in OH
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Provider Addresses for JOHN MERGO (DO)
Adena Regional Medical Center, 272, Hospital Road, Chillicothe, Ross County, Ohio, 45601, United States
CHILLICOTHE, OH 456019031
Phone: (513) 672-3309
Fax: (513) 672-3323
Type: Location
11490 SPRINGFIELD PIKE
CINCINNATI, OH 452463524
Phone: (513) 672-3309
Fax: (513) 672-3323
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $126.
Total Amount is formed as General ($126) + Research ($0) + Ownership ($0) = $126.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($72).
Total Amount
$126
General + Research + Ownership
Payments
6
Total payment records
General Amount
$126
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $72 |
| Takeda Pharmaceuticals U.S.A., Inc. | $33 |
| Ardelyx, Inc. | $21 |
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: 2008-06-18
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 |
|---|---|---|---|---|
| I20080618000791 | I | Anesthesiology | OH | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 45601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | OH | |
| - | OH | |
| Physician Assistant | OH | |
| O T O L A R Y N G O L O G Y | OH | |
| Certified Nurse Midwife (Cnm) | OH | |
| Family Practice | OH | |
| Thoracic Surgery | OH | |
| Gastroenterology, Internal Medicine | OH | |
| Physician Assistant | OH | |
| Certified Registered Nurse Anesthetist (Crna) | OH |
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