HOLLY ELLEN STEWART (MD) – Psychiatry Physician, NPI 1164453056
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,871 PSYCHIATRY in PA
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Provider Addresses for HOLLY ELLEN STEWART (MD)
3241, Parkview Avenue, South Oakland, Pittsburgh, Allegheny County, Pennsylvania, 15213, United States
PITTSBURGH, PA 152134513
Phone: (412) 448-6121
Type: Mailing
412, East Commons, Allegheny Center, Pittsburgh, Allegheny County, Pennsylvania, 15212, United States
PITTSBURGH, PA 152125310
Phone: (412) 323-4500
Type: Location
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: 2006-08-04
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 |
|---|---|---|---|---|
| I20060804000114 | I | Psychiatry | 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 |
|---|---|---|---|---|
| 90853 | Group psychotherapy | 133 | 13 | $0 |
| 90837 | Psychotherapy, 1 hour | 128 | 29 | $0 |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 48 | 35 | $0 |
| 90832 | Psychotherapy, 30 minutes | 44 | 15 | $0 |
| 90834 | Psychotherapy, 45 minutes | 39 | 13 | $0 |
Insurance plans in this area (ZIP 15213)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | PA | 90853 | Group psychotherapy | 160 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Mental Health Counselor | PA | |
| Mental Health Counselor | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| - | PA | |
| Clinical Social Worker | PA | |
| Mental Health Counselor | PA | |
| P S Y C H I A T R Y | PA | |
| Clinical Social Worker | PA | |
| Nurse Practitioner | PA |
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