Isaias Paja, M.D.
Family Medicine Physician · Los Angeles, CA
Isaias Paja, M.D. is a family medicine physician with a practice address in Los Angeles, California, and NPI 1518997709, issued on Jul 3, 2006. Check the license (California A65363, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isaias Paja
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A65363 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Wilshire Blvd, Los Angeles, CA 90057
- Phone
- (213) 484-9934
- Enumerated
- Jul 3, 2006
- Record last updated
- Aug 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (213) 484-9939
- Medicare enrollment
- Enrolled (PECOS I20040820001000); may accept Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1996
- 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 1800 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eddie Descallar, NP-CFamily Nurse Practitioner1629386230
- Daisy Franco, NPFamily Nurse Practitioner1518277508
- Ma Raquel Garcia, FNPInpatient Obstetric Registered Nurse1275185050
- Concepcion Jimenez, F.N.P.Family Nurse Practitioner1396752689
Verify Isaias Paja in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A65363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average family medicine physician in 2024
12,108 Medicare Part D claims for 514 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium564 claims
- Amlodipine Besylate543 claims
- Metformin Hcl423 claims
- Losartan Potassium411 claims
- Rosuvastatin Calcium406 claims
- Farxiga338 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: $680.78
22 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.
Isaias Paja among 17,133 family medicine physician records in California
Isaias Paja, 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
- Graduated1996 · median 2005 among the 10,652 with a school on file
- Record last updated2014 · 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).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →
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- Peter Lucero, M.D.Los Angeles, CA 900571457414856
Common questions
What is Isaias Paja, M.D.'s NPI number?
Isaias Paja, M.D.'s National Provider Identifier (NPI) is 1518997709, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaias Paja, M.D. located?
The NPPES record lists a practice address at 1800 Wilshire Blvd, Los Angeles, CA, 90057. Phone: (213) 484-9934. Providers update this record themselves, so call before visiting.
How can I verify Isaias Paja, M.D.'s license?
NPPES lists California license number A65363, 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 Isaias Paja, M.D. prescribe under Medicare Part D?
In 2024, Isaias Paja, M.D. had 12,108 Medicare Part D claims for 514 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.