NOI WALKENSTEIN (DO) – Internal Medicine Physician, NPI 1003852013
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,967 INTERNAL MEDICINE in PA
Provider Addresses for NOI WALKENSTEIN (DO)
700 Walnut St
Philadelphia, PA 191063505
Phone: (215) 503-7300
Fax: (215) 503-5666
Type: Location
2021 Chestnut St
Philadelphia, PA 191033373
Phone: (267) 443-2020
Fax: (215) 640-8860
Type: Location
2451 Grant Ave
Philadelphia, PA 191141031
Phone: (215) 934-3471
Fax: (215) 934-3472
Type: Location
2966 Street Rd
Bensalem, PA 190202604
Phone: (215) 638-0666
Fax: (215) 638-3320
Type: Location
2607, Rhawn Street, Lexington Park, Philadelphia, Philadelphia County, Pennsylvania, 19152, United States
PHILADELPHIA, PA 191523038
Phone: (215) 333-0304
Fax: (215) 333-1402
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $137.
Total Amount is formed as General ($137) + Research ($0) + Ownership ($0) = $137.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($37).
Total Amount
$137
General + Research + Ownership
Payments
7
Total payment records
General Amount
$137
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
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: 2006-08-23
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 |
|---|---|---|---|---|
| I20060823000451 | I | Internal Medicine | PA | 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 |
|---|---|---|---|---|
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 59 | 59 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 57 | 53 | $0 |
| 87811 | Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | 45 | 44 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 30 | 15 | $0 |
Insurance plans in this area (ZIP 19106)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | PA |
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