Doctor profile · Federal record

Dr. Merilee Summerfield, PA

Family Medicine Physician (CMS: Physician Assistant) · Spring Valley, CA

  • NPI 1467531988
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10225 Austin Dr, Ste #101
Spring Valley, CA 919781500
(619) 660-6003
fax (619) 660-0296

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #PA14929

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467531988. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,368
Distinct HCPCS
10
Medicare allowed
$81,851
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 475 264 $79
36415 Insertion of needle into vein for collection of blood sample 259 171 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 242 149 $114
81003 Automated urinalysis test 76 65 $2
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 70 17 $1
96372 Injection of drug or substance under skin or into muscle 58 43 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 47 47 $118
G0008 Administration of influenza virus vaccine 33 33 $28
90662 Influenza vaccine split virus, preservative free 28 28 $72
J1040 Injection, methylprednisolone acetate, 80 mg 20 19 $12

In context: peer comparison

Among 3 peers in Spring Valley Family Medicine Physician, average services per provider: 105. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,478
Patients
465
Total drug cost
$22,127
Drug Type Claims Patients Total cost
Losartan Potassium Generic 165 46 $2,384
Atorvastatin Calcium Generic 159 52 $2,037
Levothyroxine Sodium Generic 144 40 $2,194
Omeprazole Generic 121 40 $1,520
Metoprolol Succinate Generic 117 32 $2,796
Montelukast Sodium Generic 107 32 $1,595
Amlodipine Besylate Generic 106 33 $542
Lisinopril Generic 106 36 $1,095
Metformin Hcl Generic 81 18 $935
Rosuvastatin Calcium Generic 79 28 $1,327

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Merilee Summerfield's medical specialty?
Dr. Merilee Summerfield practices Family Medicine Physician in Spring Valley, CA.
Where does Dr. Merilee Summerfield practice?
Dr. Merilee Summerfield practices at 10225 Austin Dr, Spring Valley, CA 919781500. Office phone: 6196606003.
What is Dr. Merilee Summerfield's NPI?
Dr. Merilee Summerfield's National Provider Identifier (NPI) is 1467531988, issued by NPPES.
Does Dr. Merilee Summerfield accept Medicare assignment?
Yes. Dr. Merilee Summerfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Merilee Summerfield commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.