MATTHIAS SOMMER (M.D) – Psychiatry Physician, NPI 1295046241
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,871 PSYCHIATRY in PA
Provider Addresses for MATTHIAS SOMMER (M.D)
3500 N BROAD ST RM 1A
PHILADELPHIA, PA 191404106
Phone: (215) 707-3411
Type: Mailing
100 E LEHIGH AVE
PHILADELPHIA, PA 191251012
Phone: (215) 707-8496
Type: Location
561 FAIRTHORNE AVE
PHILADELPHIA, PA 191282412
Phone: (215) 487-4000
Type: Mailing
3400 SPRUCE ST
PHILADELPHIA, PA 191044238
Phone: (215) 662-7119
Fax: (215) 662-7200
Type: Mailing
3400 Spruce St
Philadelphia, PA 191044238
Phone: (215) 662-7119
Fax: (215) 662-7200
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: 2015-08-11
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 |
|---|---|---|---|---|
| I20150811005875 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 319 | 35 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 24 | $0 |
Insurance plans in this area (ZIP 19140)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | PA | |
| A N E S T H E S I O L O G Y | PA | |
| Pulmonary Disease, Critical Care (Intensivists), Hospitalist | PA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| - | PA | |
| Pulmonary Disease, Critical Care (Intensivists) | PA | |
| General Surgery | PA | |
| - | PA | |
| P A T H O L O G Y | PA | |
| - | PA |
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