SABARISH R AYYAPPAN (MD) – Hematology (Internal Medicine) Physician, NPI 1558551507
Hematology (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
164 HEMATOLOGY in OH
Provider Addresses for SABARISH R AYYAPPAN (MD)
460 W 10th Ave Fl 5
Columbus, OH 432101240
Phone: (614) 293-3196
Fax: (614) 293-4812
Type: Location
11100 Euclid Avenue
Cleveland, OH 44106
Phone: (216) 844-8500
Type: Location
University of Iowa Hospitals & Clinics, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52245, United States
IOWA CITY, IA 522421009
Phone: (319) 356-7407
Fax: (319) 353-8383
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 108 Open Payments records for all available years, with a total value of $61,792.
Total Amount is formed as General ($52,852) + Research ($8,940) + Ownership ($0) = $61,792.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: BeiGene USA, Inc. ($17,679).
Total Amount
$61,792
General + Research + Ownership
Payments
108
Total payment records
General Amount
$52,852
General payments
Research Amount
$8,940
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BeiGene USA, Inc. | $17,679 |
| Regeneron Pharmaceuticals, Inc. | $17,399 |
| Genmab U.S., Inc. | $12,301 |
| Genentech USA, Inc. | $5,234 |
| Acrotech Biopharma Inc. | $3,827 |
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: 2023-06-06
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 |
|---|---|---|---|---|
| I20230606001544 | I | Hematology | GA | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 113 | 19 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 86 | 46 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 51 | 47 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 50 | 21 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $0 |
Insurance plans in this area (ZIP 43210)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | GA | |
| - | GA | |
| Nurse Practitioner | GA | |
| Nurse Practitioner | GA | |
| Emergency Medicine | GA | |
| - | GA | |
| Plastic And Reconstructive Surgery | GA | |
| Nurse Practitioner | GA | |
| P S Y C H I A T R Y | GA | |
| - | NC |
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