Doctor profile · Federal record

Dr. Gregg Ellison, MD

Internal Medicine Physician (CMS: Internal Medicine) · Templeton, CA

  • NPI 1073573168
  • MIPS 19.3 / 100 · 2023
  • 49 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1105 Las Tablas RD, Ste F
Templeton, CA 934659731
(805) 434-1851
fax (805) 434-1193

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
February 25, 2009
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A33338

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073573168. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,812
Distinct HCPCS
10
Medicare allowed
$164,876
HCPCS Description Services Patients Avg allowed
99442 Telephone medical discussion with physician, 11-20 minutes 449 160 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 391 167 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 310 157 $89
99443 Telephone medical discussion with physician, 21-30 minutes 181 96 $125
G0008 Administration of influenza virus vaccine 138 130 $32
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 119 114 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 87 70 $14
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 26 20 $52
90756 Influenza vaccine, quadrivalent derived from cell cultures 19 18 $30
96372 Injection of drug or substance under skin or into muscle 18 12 $14

In context: peer comparison

Among 9 peers in Templeton Internal Medicine Physician, average services per provider: 132. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,380
Patients
438
Total drug cost
$146,525
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 162 47 $2,267
Amlodipine Besylate Generic 138 43 $1,747
Metformin Hcl Generic 107 31 $1,399
Metoprolol Succinate Generic 106 33 $2,527
Potassium Chloride Generic 104 35 $3,971
Eliquis (Apixaban) Brand 100 26 $122,607
Losartan Potassium Generic 96 34 $1,417
Pravastatin Sodium Generic 93 35 $2,502
Rosuvastatin Calcium Generic 88 29 $2,228
Levothyroxine Sodium Generic 85 27 $1,512

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregg Ellison's medical specialty?
Dr. Gregg Ellison practices Internal Medicine Physician in Templeton, CA.
Where does Dr. Gregg Ellison practice?
Dr. Gregg Ellison practices at 1105 Las Tablas RD, Templeton, CA 934659731. Office phone: 8054341851.
What is Dr. Gregg Ellison's NPI?
Dr. Gregg Ellison's National Provider Identifier (NPI) is 1073573168, issued by NPPES.
Does Dr. Gregg Ellison accept Medicare assignment?
Dr. Gregg Ellison does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Gregg Ellison commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99442); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.