Based in Bryn Mawr, PA, David Mark Walzer, M.D. is listed in the NPI registry under psychiatry. David graduated from The Hahneman Medical College and Hospital in 1978.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Walzer is a psychiatry in Bryn Mawr, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Dr. Walzer is listed at 14 ELLIOTT AVE SUITE 9, Bryn Mawr, PA 19010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (610) 525-6076. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Walzer's National Provider Identifier is 1457482291. 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
Dr. Walzer attended The Hahneman Medical College and Hospital, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
Dr. Walzer has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Walzer provides treatments such as psychotherapy with evaluation and management visit, 45 minutes and psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. 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 Dr. Walzer. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
14 ELLIOTT AVE SUITE 9
Bryn Mawr, PA 19010
2,249 services · 195 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy with evaluation and management visit, 45 minutes | Treatment | 90836 |
904 |
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
65 |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
15 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
1,008 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
257 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Providers in PA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.