Doctor profile · Federal record

Dr. Tammi McComak, FNP

Family Nurse Practitioner · Tracy, CA

  • NPI 1679553804
  • 20 yrs on file
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
530 W Eaton Ave, Suite K
Tracy, CA 953763400
(209) 835-4232
Mailing address
561 Hansen CT
Patterson, CA 953639315

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #15459

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679553804. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
133
Distinct HCPCS
3
Medicare allowed
$13,423
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 98 90 $101
99283 Emergency department visit with low level of medical decision making 19 19 $60
99285 Emergency department visit with high level of medical decision making 16 16 $147

In context: peer comparison

Among 2 peers in Tracy Family Nurse Practitioner, average services per provider: 34. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
46
Patients
46
Total drug cost
$1,075
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 19 19 $550
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 15 15 $258
Cephalexin Generic 12 12 $267

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammi McComak's medical specialty?
Dr. Tammi McComak practices Family Nurse Practitioner in Tracy, CA.
Where does Dr. Tammi McComak practice?
Dr. Tammi McComak practices at 530 W Eaton Ave, Tracy, CA 953763400. Office phone: 2098354232.
What is Dr. Tammi McComak's NPI?
Dr. Tammi McComak's National Provider Identifier (NPI) is 1679553804, issued by NPPES.
What procedures does Dr. Tammi McComak commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.