Mary Theresa Steinhoff, FNP
Family Nurse Practitioner · Fallbrook, CA
Mary Theresa Steinhoff, FNP is a family nurse practitioner with a practice address in Fallbrook, California, and NPI 1538525381, issued on Jan 9, 2016. Check the license (California 95003293, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Theresa Steinhoff
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95003293 CA
Self-reported in NPPES; status is on the state search - Practice location
- 521 E Elder St Ste 105, Fallbrook, CA 92028
- Phone
- (760) 728-8344
- Enumerated
- Jan 9, 2016
- Record last updated
- Feb 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170202001274); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 521 E Elder St Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brandon Miller, D.O.Family Medicine Physician1033179254
- Georgiana Miller, DOFamily Medicine Physician1285814939
Verify Mary Theresa Steinhoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95003293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family nurse practitioner in 2024
2,910 Medicare Part D claims for 655 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium167 claims
- Levothyroxine Sodium139 claims
- Lisinopril103 claims
- Albuterol Sulfate Hfa102 claims
- Azithromycin85 claims
- Hydrochlorothiazide84 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: $399.77
15 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 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 IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 family nurse practitioner records list a practice address in Fallbrook
They are 8 of the 372 NPPES records with a practice address in Fallbrook, and 16,966 family nurse practitioner records in California.
All 8 in Fallbrook → All 16,966 in California → Every provider in Fallbrook →
Other family nurse practitioner records in California
- Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
- Joshua AaronMission Hills, CA1477291805
- Orly Aaron, NPSan Francisco, CA1376912451
- Paris Gilbert Russ AaronSacramento, CA1871079111
- Tiffanne Aaronsen, FNPIndio, CA1568191807
- Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
- Frances Abad, FNPLos Angeles, CA1053504514
- Nnenna AbaezeLong Beach, CA1457820763
- Raymond Abagat, FNPTorrance, CA1306685821
- Ashley AbalCastaic, CA1740140698
Common questions
What is Mary Theresa Steinhoff, FNP's NPI number?
Mary Theresa Steinhoff, FNP's National Provider Identifier (NPI) is 1538525381, issued on Jan 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Theresa Steinhoff, FNP located?
The NPPES record lists a practice address at 521 E Elder St Ste 105, Fallbrook, CA, 92028. Phone: (760) 728-8344. Providers update this record themselves, so call before visiting.
How can I verify Mary Theresa Steinhoff, FNP's license?
NPPES lists California license number 95003293, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Theresa Steinhoff, FNP prescribe under Medicare Part D?
In 2024, Mary Theresa Steinhoff, FNP had 2,910 Medicare Part D claims for 655 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.