TATJANA GUZINA (MD) – Internal Medicine Physician, NPI 1366581639
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for TATJANA GUZINA (MD)
3251 N WASHTENAW
CHICAGO, IL 60618
Phone: (773) 478-2586
Type: Mailing
850 W IRVING PARK ROAD
SUITE 625
CHICAGO, IL 60613
Phone: (773) 975-3209
Fax: (773) 975-3234
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 27 Open Payments records for all available years, with a total value of $824.
Total Amount is formed as General ($824) + Research ($0) + Ownership ($0) = $824.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($136).
Total Amount
$824
General + Research + Ownership
Payments
27
Total payment records
General Amount
$824
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $136 |
| GlaxoSmithKline, LLC. | $125 |
| AstraZeneca Pharmaceuticals LP | $110 |
| Lilly USA, LLC | $97 |
| ABBVIE INC. | $88 |
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: 2011-03-24
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 |
|---|---|---|---|---|
| I20110324000872 | I | Internal Medicine | IL | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 76 | 37 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 23 | 17 | $0 |
Insurance plans in this area (ZIP 60618)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | IL | |
| Nurse Practitioner | IL | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| P S Y C H I A T R Y | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Family Practice | IL | |
| General Surgery | OH | |
| Nurse Practitioner | IL | |
| Internal Medicine | IL |
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