Provider Profile
Rosemary Ahearn-Hasara, LCSW, CLINICAL SOCIA is a clinical social worker based in Exton, PA. Medicare claims data shows Rosemary provided 234 services to 76 patients. The services billed most often include psychotherapy, 45 minutes, psychotherapy, 1 hour, and psychiatric diagnostic evaluation. The provider's National Provider Identifier (NPI) is 1538527585.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
467 CREAMERY WAY HOLCOMB BEHAVIORAL HEALTH SYSTEMS
Exton, PA 19341
Within Clinical Social Worker generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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234 services · 76 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
144 | As often as other peers in Clinical Social Worker |
| Psychotherapy, 1 hour | Treatment | 90837 |
55 | Less often than most peers in Clinical Social Worker |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
22 | As often as other peers in Clinical Social Worker |
| Psychotherapy, 30 minutes | Treatment | 90832 |
13 | Less often than most peers in Clinical Social Worker |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Rosemary Ahearn-Hasara, LCSW is a clinical social worker in Exton, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Rosemary Ahearn-Hasara, LCSW is listed at 467 Creamery Way Holcomb Behavioral Health Systems, Exton, PA 19341. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (610) 330-9862. Contact the office directly to confirm availability and scheduling.
NPI registry
Rosemary Ahearn-Hasara, LCSW's National Provider Identifier is 1538527585. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Rosemary Ahearn-Hasara, LCSW attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Rosemary Ahearn-Hasara, LCSW has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Rosemary Ahearn-Hasara, LCSW provides treatments such as psychotherapy, 45 minutes and psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Rosemary Ahearn-Hasara, LCSW. If this is you, claiming it is free.
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