Doctor profile · Federal record

Dr. Christopher Blackwell

Counselor · Social Worker · Hayward, CA

  • NPI 1699224980
  • 10 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1065 A St
Hayward, CA 945414122
(510) 270-1150
fax (510) 538-5215

Credentials & registration

NPPES · NUCC
NPI registered
September 2016 — 10 yrs on file
Profile last updated
October 20, 2020
Specialty taxonomy
101Y00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699224980. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
177
Distinct HCPCS
3
Medicare allowed
$19,355
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 110 23 $123
90791 Psychiatric diagnostic evaluation 37 37 $147
90785 Psychiatric services complicated by communication factor 30 16 $12

In context: peer comparison

Among 1 peers in Hayward Counselor, average services per provider: 59. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Blackwell's medical specialty?
Dr. Christopher Blackwell practices Counselor in Hayward, CA.
Where does Dr. Christopher Blackwell practice?
Dr. Christopher Blackwell practices at 1065 A St, Hayward, CA 945414122. Office phone: 5102701150.
What is Dr. Christopher Blackwell's NPI?
Dr. Christopher Blackwell's National Provider Identifier (NPI) is 1699224980, issued by NPPES.
What procedures does Dr. Christopher Blackwell commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791); Psychiatric services complicated by communication factor (HCPCS 90785). Source: CMS Medicare Physician & Other Practitioners file.