Doctor profile · Federal record

Dr. Jennifer Gregg, MD

Family Medicine Physician (CMS: Family Practice) · Roseville, CA

  • NPI 1427617117
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
568 N Sunrise Ave Ste 250
Roseville, CA 956613097
(916) 865-1140
fax (916) 865-1145

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
April 8, 2026
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A181124

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427617117. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
213
Distinct HCPCS
4
Medicare allowed
$29,013
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 151 79 $133
99215 Established patient office or other outpatient visit, 40-54 minutes 23 20 $187
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $91

In context: peer comparison

Among 28 peers in Roseville Family Medicine Physician, average services per provider: 144. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,038
Patients
387
Total drug cost
$68,948
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 160 64 $2,327
Amlodipine Besylate Generic 112 43 $910
Levothyroxine Sodium Generic 112 37 $2,523
Lisinopril Generic 82 32 $883
Omeprazole Generic 68 27 $1,466
Trazodone Hcl Generic 67 28 $1,150
Losartan Potassium Generic 62 28 $1,049
Gabapentin Generic 60 25 $1,415
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 52 16 $924
Buspirone Hcl Generic 48 13 $651

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Gregg's medical specialty?
Dr. Jennifer Gregg practices Family Medicine Physician in Roseville, CA.
Where does Dr. Jennifer Gregg practice?
Dr. Jennifer Gregg practices at 568 N Sunrise Ave Ste 250, Roseville, CA 956613097. Office phone: 9168651140.
What is Dr. Jennifer Gregg's NPI?
Dr. Jennifer Gregg's National Provider Identifier (NPI) is 1427617117, issued by NPPES.
Does Dr. Jennifer Gregg accept Medicare assignment?
Yes. Dr. Jennifer Gregg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Gregg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.