Doctor profile · Federal record
Dr. Joan Helfenstein, LCSW
Clinical Social Worker · Los Angeles, CA
- NPI 1942321740
- Accepts Medicare
- 48 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
566 S San Vicente Blvd Ste 103
Los Angeles, CA 900484650
(310) 278-8211
fax (323) 939-9213 - Mailing address
-
100 N McCadden Pl
Los Angeles, CA 900041022
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- September 3, 2025
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- California #LI9449
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942321740. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
650
Distinct HCPCS
1
Medicare allowed
$71,953
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 650 | 22 | $111 |
In context: peer comparison
Among 10 peers in Los Angeles Clinical Social Worker, average services per provider: 208. This provider delivers 3.1× the peer median.Frequently asked questions
What is Dr. Joan Helfenstein's medical specialty?
Dr. Joan Helfenstein practices Clinical Social Worker in Los Angeles, CA.
Where does Dr. Joan Helfenstein practice?
Dr. Joan Helfenstein practices at 566 S San Vicente Blvd Ste 103, Los Angeles, CA 900484650. Office phone: 3102788211.
What is Dr. Joan Helfenstein's NPI?
Dr. Joan Helfenstein's National Provider Identifier (NPI) is 1942321740, issued by NPPES.
Does Dr. Joan Helfenstein accept Medicare assignment?
Yes. Dr. Joan Helfenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joan Helfenstein commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.