Herman Mathias, M.D
Internal Medicine Physician · Hemet, CA
Herman Mathias, M.D is an internal medicine physician with a practice address in Hemet, California, and NPI 1487767265, issued on Aug 16, 2006. Check the license (California A41055, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Herman Mathias
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A41055 CA
Self-reported in NPPES; status is on the state search - Practice location
- 391 N San Jacinto St, Hemet, CA 92543
- Phone
- (951) 929-6003
- Enumerated
- Aug 16, 2006
- Record last updated
- Jun 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (951) 929-9786
- Medicare enrollment
- Enrolled (PECOS I20040803000710); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 391 N San Jacinto St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Arango, NPFamily Nurse Practitioner1760228241
- Melissa Grubbs, ARNPGerontology Nurse Practitioner1528277258
- Paula Henderson, MDFamily Medicine Physician1275646317
- Martha Moreno, MDFamily Medicine Physician1083773675
- Michael Murphy, MDInternal Medicine Physician1891812921
- Michael Sachs, DOInternal Medicine Physician1295839504
Verify Herman Mathias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41055Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,940 Medicare Part D claims for 901 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 816 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen471 claims
- Atorvastatin Calcium371 claims
- Levothyroxine Sodium316 claims
- Allopurinol264 claims
- Losartan Potassium234 claims
- Amlodipine Besylate201 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: $1,048.36
44 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.
Bills Medicare through 2 group practices
- Mathias Primary Care Associates, IncHemet, CA
- Rapid Care Enterprises, Inc.Perris, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Herman Mathias among 17,696 internal medicine physician records in California
Herman Mathias, M.D 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
- Graduated1978 · 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).
51 internal medicine physician records list a practice address in Hemet
They are 51 of the 1,678 NPPES records with a practice address in Hemet, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Hemet → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mogbonjubola Adeyemo, M.D.Hemet, CA 925431538218300
- Sumanta Chaudhuri Saini, M.D.Hemet, CA 925431114183043
- Joungsen Hong, M.D.,F.A.C.G.Hemet, CA 925431588690333
- Abid Hussain, MDHemet, CA 925431821157462
- Sultanali Kassamali, M.D.Hemet, CA 925431518990274
- Vijaya Katukota, M.D.Hemet, CA 925431225218522
- Hemchand Kolli, M.DHemet, CA 925431669552485
- Sudha Madabhushi, M.D.Hemet, CA 925431902990641
Common questions
What is Herman Mathias, M.D's NPI number?
Herman Mathias, M.D's National Provider Identifier (NPI) is 1487767265, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Herman Mathias, M.D located?
The NPPES record lists a practice address at 391 N San Jacinto St, Hemet, CA, 92543. Phone: (951) 929-6003. Providers update this record themselves, so call before visiting.
How can I verify Herman Mathias, M.D's license?
NPPES lists California license number A41055, 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 Herman Mathias, M.D prescribe under Medicare Part D?
In 2024, Herman Mathias, M.D had 7,940 Medicare Part D claims for 901 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.