Doctor profile · Federal record

Dr. John Paik-Tesch, MD

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

  • NPI 1912019563
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3385 G St Ste A
Merced, CA 953400980
(209) 725-3122
fax (209) 725-3128
Mailing address
Po Box 3768
Merced, CA 953443768

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 19, 2019
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G75912
Medicaid
CA #00G759120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912019563. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,238
Distinct HCPCS
10
Medicare allowed
$301,952
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 623 281 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 441 245 $130
G0442 Annual alcohol misuse screening, 5 to 15 minutes 358 358 $19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 286 286 $133
G0444 Annual depression screening, 5 to 15 minutes 282 282 $19
83036 Hemoglobin a1c level 258 109 $9
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 233 32 $76
G0008 Administration of influenza virus vaccine 207 199 $32
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 194 58 $81
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 188 181 $74

In context: peer comparison

Among 22 peers in Merced Family Medicine Physician, average services per provider: 116. This provider delivers 37× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,267
Patients
494
Total drug cost
$77,658
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 370 91 $6,332
Lisinopril Generic 244 56 $2,311
Amlodipine Besylate Generic 240 56 $2,307
Levothyroxine Sodium Generic 204 39 $3,554
Losartan Potassium Generic 149 29 $2,668
Sertraline Hcl Generic 145 23 $1,776
Metformin Hcl Generic 141 33 $2,093
Gabapentin Generic 131 28 $4,264
Furosemide Generic 108 27 $694
Eliquis (Apixaban) Brand 107 13 $43,263

Frequently asked questions

Auto-generated from federal data
What is Dr. John Paik-Tesch's medical specialty?
Dr. John Paik-Tesch practices Family Medicine Physician in Merced, CA.
Where does Dr. John Paik-Tesch practice?
Dr. John Paik-Tesch practices at 3385 G St Ste A, Merced, CA 953400980. Office phone: 2097253122.
What is Dr. John Paik-Tesch's NPI?
Dr. John Paik-Tesch's National Provider Identifier (NPI) is 1912019563, issued by NPPES.
Does Dr. John Paik-Tesch accept Medicare assignment?
Yes. Dr. John Paik-Tesch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Paik-Tesch 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); Annual alcohol misuse screening, 5 to 15 minutes (HCPCS G0442). Source: CMS Medicare Physician & Other Practitioners file.