Doctor profile · Federal record

Dr. Sarah Hammack, LCSW-C

Clinical Social Worker · Silver Spring, MD

  • NPI 1164579306
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8818 Georgia Ave, Second Floor
Silver Spring, MD 209102713
(301) 563-7007
fax (301) 563-7009
Mailing address
5521 Charles St
Bethesda, MD 208141614

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Maryland #12749
Medicaid
MD #003427400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164579306. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
1
Medicare allowed
$26,492
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 223 17 $119

In context: peer comparison

Among 10 peers in Silver Spring Clinical Social Worker, average services per provider: 257. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Hammack's medical specialty?
Dr. Sarah Hammack practices Clinical Social Worker in Silver Spring, MD.
Where does Dr. Sarah Hammack practice?
Dr. Sarah Hammack practices at 8818 Georgia Ave, Silver Spring, MD 209102713. Office phone: 3015637007.
What is Dr. Sarah Hammack's NPI?
Dr. Sarah Hammack's National Provider Identifier (NPI) is 1164579306, issued by NPPES.
What procedures does Dr. Sarah Hammack commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.