Pamela Allison Simmons, M.D.
Family Medicine Physician · Temecula, CA
Pamela Allison Simmons, M.D. is a family medicine physician with a practice address in Temecula, California, and NPI 1508828310, issued on Apr 5, 2006. Check the license (California G79899, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pamela Allison Simmons
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G79899 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28780 Single Oak Dr Ste 160, Temecula, CA 92590
- Phone
- (951) 676-4193
- Enumerated
- Apr 5, 2006
- Record last updated
- Jan 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (951) 252-8668
- Medicare enrollment
- Enrolled (PECOS I20061006000195); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1993
- 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 28780 Single Oak Dr Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Amis, PAPhysician Assistant1649742362
- Audrey BellFamily Nurse Practitioner1578349742
- Stacey Bernardo, DOFamily Medicine Physician1821594086
- Nichele Blosser, DOInternal Medicine Physician1366079899
- Reed BoveePhysician Assistant1952111965
Verify Pamela Allison Simmons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average family medicine physician in 2024
4,411 Medicare Part D claims for 400 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 92 claims were for opioids.
Most prescribed
- Atorvastatin Calcium356 claims
- Levothyroxine Sodium251 claims
- Amlodipine Besylate164 claims
- Metformin Hcl157 claims
- Gabapentin135 claims
- Losartan Potassium118 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: $106.53
5 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Rancho Family Medical Group IncTemecula, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pamela Allison Simmons among 17,133 family medicine physician records in California
Pamela Allison Simmons, M.D. 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
- Graduated1993 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 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).
80 family medicine physician records list a practice address in Temecula
They are 80 of the 4,057 NPPES records with a practice address in Temecula, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Temecula → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Cristina Bailey, M.D.Temecula, CA 925901598715823
- David Bucher, MDTemecula, CA 925901790735033
- Walter Combs, MDTemecula, CA 925901104876598
- Mary Gentile, DOTemecula, CA 925901861480998
- Gerardo Hizon, MD, FAAFP, CAQSMTemecula, CA 925901205898558
- Claudia Hsieh, D.O.Temecula, CA 925901255515979
- Tae-Woong Im, MDTemecula, CA 925901912956855
- Samuel Ko, MDTemecula, CA 925901457301855
Common questions
What is Pamela Allison Simmons, M.D.'s NPI number?
Pamela Allison Simmons, M.D.'s National Provider Identifier (NPI) is 1508828310, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Pamela Allison Simmons, M.D. located?
The NPPES record lists a practice address at 28780 Single Oak Dr Ste 160, Temecula, CA, 92590. Phone: (951) 676-4193. Providers update this record themselves, so call before visiting.
How can I verify Pamela Allison Simmons, M.D.'s license?
NPPES lists California license number G79899, 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 Pamela Allison Simmons, M.D. prescribe under Medicare Part D?
In 2024, Pamela Allison Simmons, M.D. had 4,411 Medicare Part D claims for 400 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.