Paige Alexandra Thiermann, MD
Family Medicine Physician · El Cajon, CA
Paige Alexandra Thiermann, MD is a family medicine physician with a practice address in El Cajon, California, and NPI 1134411432, issued on May 5, 2011. Check the license (California A114779, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paige Alexandra Thiermann
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A114779 CA
Self-reported in NPPES; status is on the state search - Practice location
- 855 E Madison Ave, El Cajon, CA 92020
- Phone
- (619) 440-2751
- Enumerated
- May 5, 2011
- Record last updated
- Sep 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120821000217); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2009
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 855 E Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alisia AlyasPhysician Assistant1437768017
- Martha Bartzen, R.N., PHNCommunity Health Registered Nurse1497971220
- Alexa Caffio-LearnerFamily Medicine Physician1447954094
- Susan Catling, N.P.Family Medicine Physician1598867046
- Danica CoronaClinical Social Worker1649883935
- Guadalupe CruzClinical Social Worker1649727942
Verify Paige Alexandra Thiermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114779Check 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
4,396 Medicare Part D claims for 196 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.
Most prescribed
- Atorvastatin Calcium224 claims
- Losartan Potassium224 claims
- Metformin Hcl219 claims
- Lisinopril213 claims
- Famotidine176 claims
- Levothyroxine Sodium175 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.
Bills Medicare through one group practice
- Neighborhood HealthcareEl Cajon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paige Alexandra Thiermann among 17,133 family medicine physician records in California
Paige Alexandra Thiermann, 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 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2005 among the 10,652 with a school on file
- Record last updated2012 · 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).
52 family medicine physician records list a practice address in El Cajon
They are 52 of the 3,277 NPPES records with a practice address in El Cajon, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in El Cajon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mumtaz Almansour, M.D.El Cajon, CA 920201558567446
- Mohamed Baiou, M.D.El Cajon, CA 920201447542659
- Susan Catling, N.P.El Cajon, CA 920201598867046
- Kevin Ellis, D.OEl Cajon, CA 920201306861703
- Mohan Garikaparthi, M.D.El Cajon, CA 920201528149168
- Christopher Gordon, MDEl Cajon, CA 920201477711521
- Carol Hastanan, MDEl Cajon, CA 920201861648461
- Steven Horowitz, D.O.El Cajon, CA 920201619997624
Common questions
What is Paige Alexandra Thiermann, MD's NPI number?
Paige Alexandra Thiermann, MD's National Provider Identifier (NPI) is 1134411432, issued on May 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Paige Alexandra Thiermann, MD located?
The NPPES record lists a practice address at 855 E Madison Ave, El Cajon, CA, 92020. Phone: (619) 440-2751. Providers update this record themselves, so call before visiting.
How can I verify Paige Alexandra Thiermann, MD's license?
NPPES lists California license number A114779, 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 Paige Alexandra Thiermann, MD prescribe under Medicare Part D?
In 2024, Paige Alexandra Thiermann, MD had 4,396 Medicare Part D claims for 196 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.