Doctor profile · Federal record
Dr. Sigrid Mergenthaler, LICSW
Clinical Social Worker · Clinical Social Worker · San Marcos, CA
- NPI 1477759017
- Accepts Medicare
- 28 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
150 Valpreda RD
San Marcos, CA 920692973
(760) 736-6767 - Additional location
-
400 Washington St, 303
Braintree, MA 021844729
(781) 843-3783
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- August 13, 2024
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State licenses (2)
- California #LCSW123604 · Massachusetts #114737
- Medicaid
- MA #1309161
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477759017. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
310
Distinct HCPCS
2
Medicare allowed
$27,035
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 203 | 28 | $75 | |
90837 |
Psychotherapy, 1 hour | 107 | 16 | $111 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 155. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Sigrid Mergenthaler's medical specialty?
Dr. Sigrid Mergenthaler practices Clinical Social Worker in San Marcos, CA.
Where does Dr. Sigrid Mergenthaler practice?
Dr. Sigrid Mergenthaler practices at 150 Valpreda RD, San Marcos, CA 920692973. Office phone: 7607366767.
What is Dr. Sigrid Mergenthaler's NPI?
Dr. Sigrid Mergenthaler's National Provider Identifier (NPI) is 1477759017, issued by NPPES.
Does Dr. Sigrid Mergenthaler accept Medicare assignment?
Yes. Dr. Sigrid Mergenthaler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sigrid Mergenthaler commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.