YIYI YAN (M.D, PH.D.) – Hematology (Internal Medicine) Physician, NPI 1710279849
Hematology (Internal Medicine) Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for YIYI YAN (M.D, PH.D.)
1001 S George St
York Hospital - Medical Education
York, PA 17403
Phone: (717) 851-4751
Fax: (717) 741-8016
Type: Location
200 1st St SW
Rochester, MN 559050001
Phone: (507) 284-2511
Type: Location
200 1ST ST SW
ROCHESTER, MN 559050001
Phone: (507) 284-2511
Type: Mailing
4500 SAN PABLO RD S
JACKSONVILLE, FL 322241865
Phone: (904) 953-2000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2022-06-07
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 |
|---|---|---|---|---|
| I20220607000229 | I | Hematology/Oncology | FL | 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 |
|---|---|---|---|---|
| J9271 | Injection, pembrolizumab, 1 mg | 10,802 | 44 | $0 |
| Q5110 | Injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram | 9,480 | 15 | $0 |
| J9144 | Injection, daratumumab, 10 mg and hyaluronidase-fihj | 7,380 | 31 | $0 |
| J9299 | Injection, nivolumab, 1 mg | 6,520 | 16 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 6,000 | 37 | $0 |
Insurance plans in this area (ZIP 17403)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| Psychiatry, Addiction Medicine | MN | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN | |
| O P H T H A L M O L O G Y | MN | |
| - | MN | |
| - | MN | |
| - | MN |
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