Esther Abarcar Fermin, MD
Hematology (Internal Medicine) Physician · Victorville, CA
Esther Abarcar Fermin, MD is a hematology (internal medicine) physician with a practice address in Victorville, California, and NPI 1013018514, issued on Sep 26, 2006. Check the license (California A25858, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Esther Abarcar Fermin
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- A25858 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15203 11TH St Ste A, Victorville, CA 92395
- Phone
- (760) 245-6455
- Enumerated
- Sep 26, 2006
- Record last updated
- Oct 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (760) 245-6455
- Medicaid ID
- 00A258580 CA
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 175 in California → Look up another NPI →
Verify Esther Abarcar Fermin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A25858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average hematology (internal medicine) physician in 2024
2,190 Medicare Part D claims for 138 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium233 claims
- Amlodipine Besylate149 claims
- Metoprolol Tartrate113 claims
- Metformin Hcl89 claims
- Losartan Potassium79 claims
- Triamterene-Hydrochlorothiazid73 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.
Esther Abarcar Fermin among 175 hematology (internal medicine) physician records in California
Esther Abarcar Fermin, MD is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 78% of these records are
- Record last updated2011 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in California
There are 175 hematology (internal medicine) physician records in California.
All 175 in California → Every provider in Victorville → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Julio Alvarenga Thiebaud, M.D.Irvine, CA 926181457770497
- Azra Borogovac, M.D.Irvine, CA 926181164818639
- Krisstina Gowin, D.O.Irvine, CA 926181477845089
- Benjamin Heyman, M.D.Irvine, CA 926181982995809
- Tamer Othman, M.D.Irvine, CA 926181316471980
- Thomas Sweet, MDSan Diego, CA 921301164581732
- Eduardo Fernandez Hernandez, MDNewport Beach, CA 926631104288125
- Donald Newman, M.D.San Diego, CA 921231013928803
Common questions
What is Esther Abarcar Fermin, MD's NPI number?
Esther Abarcar Fermin, MD's National Provider Identifier (NPI) is 1013018514, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Esther Abarcar Fermin, MD located?
The NPPES record lists a practice address at 15203 11TH St Ste A, Victorville, CA, 92395. Phone: (760) 245-6455. Providers update this record themselves, so call before visiting.
How can I verify Esther Abarcar Fermin, MD's license?
NPPES lists California license number A25858, 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 Esther Abarcar Fermin, MD prescribe under Medicare Part D?
In 2024, Esther Abarcar Fermin, MD had 2,190 Medicare Part D claims for 138 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.