NATALIE WITEK (MD) – Neurology Physician, NPI 1760725469
Neurology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
2,479 NEUROLOGY in CA
Provider Addresses for NATALIE WITEK (MD)
505 Parnassus Ave
San Francisco, CA 941432204
Phone: (415) 476-3891
Fax: (415) 476-3428
Type: Location
1725 W Harrison St Ste 1106
Chicago, IL 60612
Phone: (312) 942-4500
Type: Location
3743 Highland Ave Ste 1001
Downers Grove, IL 605151594
Phone: (847) 723-4088
Fax: (630) 963-9936
Type: Location
1725 W HARRISON ST STE 1106
CHICAGO, IL 606123845
Phone: (312) 942-4500
Type: Mailing
29373 NETWORK PL
CHICAGO, IL 606731293
Phone: (847) 390-5900
Fax: (847) 390-4757
Type: Mailing
1875 DEMPSTER ST STE 625
PARK RIDGE, IL 600681137
Phone: (847) 723-4088
Fax: (847) 627-8700
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $269.
Total Amount is formed as General ($269) + Research ($0) + Ownership ($0) = $269.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($132).
Total Amount
$269
General + Research + Ownership
Payments
11
Total payment records
General Amount
$269
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $132 |
| Supernus Pharmaceuticals, Inc. | $67 |
| REVANCE THERAPEUTICS, INC. | $29 |
| Teva Pharmaceuticals USA, Inc. | $26 |
| LivaNova USA, Inc. | $17 |
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: 2018-07-24
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 |
|---|---|---|---|---|
| I20180724001925 | I | Neurology | 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 |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | 6,001 | 18 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 221 | 146 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 82 | 39 | $0 |
| 95874 | Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | 71 | 45 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 71 | 57 | $0 |
Insurance plans in this area (ZIP 94143)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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