Doctor profile · Federal record

Dr. Jennifer Kostrinsky, D.O

Family Medicine Physician (CMS: Family Practice) · La Mesa, CA

  • NPI 1639181134
  • Accepts Medicare
  • MIPS 73.6 / 100 · 2023
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5525 Grossmont Center Dr
La Mesa, CA 919423009
(858) 499-2600
fax (619) 644-6899

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 14, 2019
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A8255
Medicaid
CA #00AX82550

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639181134. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
198
Distinct HCPCS
6
Medicare allowed
$18,244
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 107 69 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 36 31 $133
99442 Telephone medical discussion with physician, 11-20 minutes 17 16 $97
96372 Injection of drug or substance under skin or into muscle 14 12 $16
G0008 Administration of influenza virus vaccine 13 13 $33
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 11 11 $75

In context: peer comparison

Among 23 peers in La Mesa Family Medicine Physician, average services per provider: 93. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,343
Patients
396
Total drug cost
$19,582
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 146 46 $2,315
Losartan Potassium Generic 143 46 $2,673
Gabapentin Generic 115 36 $2,447
Levothyroxine Sodium Generic 115 37 $2,177
Lisinopril Generic 111 32 $669
Metoprolol Succinate Generic 109 35 $3,000
Amlodipine Besylate Generic 84 30 $502
Metformin Hcl Generic 81 25 $910
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 73 15 $1,372
Hydrochlorothiazide Generic 69 22 $485

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Kostrinsky's medical specialty?
Dr. Jennifer Kostrinsky practices Family Medicine Physician in La Mesa, CA.
Where does Dr. Jennifer Kostrinsky practice?
Dr. Jennifer Kostrinsky practices at 5525 Grossmont Center Dr, La Mesa, CA 919423009. Office phone: 8584992600.
What is Dr. Jennifer Kostrinsky's NPI?
Dr. Jennifer Kostrinsky's National Provider Identifier (NPI) is 1639181134, issued by NPPES.
Does Dr. Jennifer Kostrinsky accept Medicare assignment?
Yes. Dr. Jennifer Kostrinsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Kostrinsky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.