John Manuel Hernandez, MD
Internal Medicine Physician · Montebello, CA
John Manuel Hernandez, MD is an internal medicine physician with a practice address in Montebello, California, and NPI 1073683546, issued on Nov 9, 2006. Check the license (California A42641, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Manuel Hernandez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A42641 CA
Self-reported in NPPES; status is on the state search - Practice location
- 526 N Montebello Blvd, Montebello, CA 90640
- Phone
- (323) 726-1109
- Enumerated
- Nov 9, 2006
- Record last updated
- Mar 31, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (323) 278-1162
- Medicare enrollment
- Enrolled (PECOS I20040210000732); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 526 N Montebello Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salvador Terrones, P.A-C.Physician Assistant1619183209
Verify John Manuel Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average internal medicine physician in 2024
12,776 Medicare Part D claims for 567 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 512 claims were for opioids.
Most prescribed
- Metformin Hcl582 claims
- Rosuvastatin Calcium448 claims
- Omeprazole445 claims
- Atorvastatin Calcium399 claims
- Losartan Potassium294 claims
- Hydrocodone-Acetaminophen284 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.
Industry payments in 2024: $849.07
38 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Manuel Hernandez among 17,696 internal medicine physician records in California
John Manuel Hernandez, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1982 · median 2004 among the 11,065 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Montebello
They are 25 of the 728 NPPES records with a practice address in Montebello, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Montebello → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Olga Alarid, M.D.Montebello, CA 906401427077411
- Soroosh Armandi, D.O.Montebello, CA 906401427137439
- Mohammad Chaudhry, M.DMontebello, CA 906401760423669
- Jonathan Chien, M.D.Montebello, CA 906401558327270
- Angelina Espinoza-Lopez, MDMontebello, CA 906401144315565
- Jackson Ma, M.D.Montebello, CA 906401447298732
- Mohinderjit Neelam, M.D.Montebello, CA 906401457325193
- Muzzamil Parekh, M.D.Montebello, CA 906401235188368
Common questions
What is John Manuel Hernandez, MD's NPI number?
John Manuel Hernandez, MD's National Provider Identifier (NPI) is 1073683546, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Manuel Hernandez, MD located?
The NPPES record lists a practice address at 526 N Montebello Blvd, Montebello, CA, 90640. Phone: (323) 726-1109. Providers update this record themselves, so call before visiting.
How can I verify John Manuel Hernandez, MD's license?
NPPES lists California license number A42641, 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 Manuel Hernandez, MD prescribe under Medicare Part D?
In 2024, John Manuel Hernandez, MD had 12,776 Medicare Part D claims for 567 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.