Doctor profile · Federal record

Dr. Margaret Gruenke, L.C.S.W.

Clinical Social Worker · San Geronimo, CA

  • NPI 1669610663
  • Accepts Medicare
  • 57 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2 Meadow Way
San Geronimo, CA 949630558
(646) 852-7404

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
April 25, 2018
Year of graduation
1969 — 57 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
District of Columbia #LC50078502

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669610663. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
170
Distinct HCPCS
1
Medicare allowed
$17,920
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 170 13 $105

In context: peer comparison

Among 1 peers in San Geronimo Clinical Social Worker, average services per provider: 170. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Gruenke's medical specialty?
Dr. Margaret Gruenke practices Clinical Social Worker in San Geronimo, CA.
Where does Dr. Margaret Gruenke practice?
Dr. Margaret Gruenke practices at 2 Meadow Way, San Geronimo, CA 949630558. Office phone: 6468527404.
What is Dr. Margaret Gruenke's NPI?
Dr. Margaret Gruenke's National Provider Identifier (NPI) is 1669610663, issued by NPPES.
Does Dr. Margaret Gruenke accept Medicare assignment?
Yes. Dr. Margaret Gruenke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Gruenke commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.