John Bernard Paik-Tesch, MD
Family Medicine Physician · Merced, CA
John Bernard Paik-Tesch, MD is a family medicine physician with a practice address in Merced, California, and NPI 1912019563, issued on Aug 31, 2006. Check the license (California G75912, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Bernard Paik-Tesch
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G75912 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3385 G St Ste A, Merced, CA 95340
- Phone
- (209) 725-3122
- Enumerated
- Aug 31, 2006
- Record last updated
- Dec 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (209) 725-3128
- Medicaid ID
- 00G759120 CA
- Medicare enrollment
- Enrolled (PECOS I20080714000170); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3385 G St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Entwistle, MDFamily Medicine Physician1891174785
Verify John Bernard Paik-Tesch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average family medicine physician in 2024
5,063 Medicare Part D claims for 323 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 199 claims were for opioids.
Most prescribed
- Atorvastatin Calcium325 claims
- Amlodipine Besylate241 claims
- Lisinopril236 claims
- Levothyroxine Sodium187 claims
- Losartan Potassium153 claims
- Gabapentin129 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Merced Faculty Associates Medical Group IncorporatedMerced, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Bernard Paik-Tesch among 17,133 family medicine physician records in California
John Bernard Paik-Tesch, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1991 · median 2005 among the 10,652 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 family medicine physician records list a practice address in Merced
They are 94 of the 2,836 NPPES records with a practice address in Merced, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Merced → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Vincent Ansley, MDMerced, CA 953401871584185
- David Barabe, M.D.Merced, CA 953401255361770
- Albert Col, M.D.Merced, CA 953401952411266
- Timothy Johnston, M.D.Merced, CA 953401528097847
- Jeanette Kuizon, MDMerced, CA 953401962485243
- Aimee NagtalonMerced, CA 953401487698221
- George Nevatt, MDMerced, CA 953401538194196
- Maciej Ossowski, M. D.Merced, CA 953401346207883
Common questions
What is John Bernard Paik-Tesch, MD's NPI number?
John Bernard Paik-Tesch, MD's National Provider Identifier (NPI) is 1912019563, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Bernard Paik-Tesch, MD located?
The NPPES record lists a practice address at 3385 G St Ste A, Merced, CA, 95340. Phone: (209) 725-3122. Providers update this record themselves, so call before visiting.
How can I verify John Bernard Paik-Tesch, MD's license?
NPPES lists California license number G75912, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Bernard Paik-Tesch, MD prescribe under Medicare Part D?
In 2024, John Bernard Paik-Tesch, MD had 5,063 Medicare Part D claims for 323 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John Bernard Paik-Tesch, MD's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.