Provider Profile
Elmer B. Dorosan, NP is a nurse practitioner based in Los Angeles, CA. According to Medicare claims data, the services billed most often include initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes. The provider's National Provider Identifier (NPI) is 1649638842.
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.
1520 SAN PABLO ST STE 3000
Los Angeles, CA 90033
11 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
11 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Elmer B. Dorosan is a nurse practitioner in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Elmer B. Dorosan is listed at 1520 San Pablo St Ste 3000, Los Angeles, CA 90033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (323) 442-5710. Contact the office directly to confirm availability and scheduling.
NPI registry
Elmer B. Dorosan's National Provider Identifier is 1649638842. 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
Elmer B. Dorosan attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Elmer B. Dorosan has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Elmer B. Dorosan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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 Elmer B. Dorosan. If this is you, claiming it is free.
Guide.md
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