DR. STEVE FLINKENSTEIN (D.O.) – Rheumatology Physician, NPI 1821209255
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
148 RHEUMATOLOGY in MN
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Provider Addresses for DR. STEVE FLINKENSTEIN (D.O.)
University Avenue West, Saint Paul, Ramsey County, Minnesota, 55114, United States
SAINT PAUL, MN 551044001
Phone: (651) 232-4800
Type: Location
2024 S 6th St
Brainerd, MN 564014529
Phone: (218) 828-2880
Type: Location
13400 SW 10th St
Pembroke Pines, FL 330271833
Phone: (954) 961-3252
Fax: (954) 678-3007
Type: Location
Chicago Av, Washington Avenue South, Minneapolis, Hennepin County, Minnesota, 55415:55454, United States
MINNEAPOLIS, MN 554071321
Phone: (612) 262-5000
Type: Mailing
12350 NW 39TH ST STE 200
CORAL SPRINGS, FL 330652418
Phone: (954) 248-3422
Fax: (800) 970-6020
Type: Mailing
4700 SHERIDAN ST STE C
HOLLYWOOD, FL 330213416
Phone: (954) 961-3252
Fax: (954) 678-3007
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 65 Open Payments records for all available years, with a total value of $1,224.
Total Amount is formed as General ($1,224) + Research ($0) + Ownership ($0) = $1,224.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Mallinckrodt Hospital Products Inc. ($197).
Total Amount
$1,224
General + Research + Ownership
Payments
65
Total payment records
General Amount
$1,224
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mallinckrodt Hospital Products Inc. | $197 |
| ANI Pharmaceuticals, Inc. | $151 |
| Amgen Inc. | $138 |
| ABBVIE INC. | $133 |
| Novartis Pharmaceuticals Corporation | $91 |
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: 2024-09-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20131025000624 | I | Rheumatology | MN | TBD |
| I20240913002015 | I | Rheumatology | IN | 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 | 65 | 45 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 36 | 36 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 15 | 12 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 55104)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RHEUMATOLOGY | MN | 96415 | Infusion of chemotherapy into a vein | 48 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MN | |
| Nurse Practitioner | MN | |
| Certified Registered Nurse Anesthetist (Crna) | ND | |
| Nurse Practitioner | MN | |
| Emergency Medicine | MN | |
| Nurse Practitioner | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Diagnostic Radiology | MN | |
| Nurse Practitioner | MN | |
| Hospitalist, Internal Medicine, Internal Medicine, Hospitalist | WI |
Reviews
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