Mariela Noemi Macias, MD
Hematology & Oncology Physician · Chula Vista, CA
Mariela Noemi Macias, MD is a hematology & oncology physician with a practice address in Chula Vista, California, and NPI 1629235072, issued on May 21, 2008. Check the license (California A102365, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mariela Noemi Macias
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A102365 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E Palomar St, Chula Vista, CA 91913
- Phone
- (858) 393-6622
- Enumerated
- May 21, 2008
- Record last updated
- Mar 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090724000446); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 1400 E Palomar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariela Noemi Macias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A102365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,624 Medicare Part D claims for 268 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 73 claims were for opioids.
Most prescribed
- Anastrozole150 claims
- Tamoxifen Citrate61 claims
- Letrozole51 claims
- Ondansetron Odt49 claims
- Prednisone46 claims
- Jakafi44 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: $186.51
7 payments; by number, the most common kind was food and beverage; the largest payer was Novocure Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Sharp Rees-Stealy Medical Group IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariela Noemi Macias among 1,583 hematology & oncology physician records in California
Mariela Noemi Macias, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2006 · median 2003 among the 1,124 with a school on file
- Record last updated2018 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Chula Vista → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Aparajit Venkateswaran, MDChula Vista, CA 919141386171791
- Ignacio Iturbe, M.D.Chula Vista, CA 919111972513695
- Kenneth Johnson, MDChula Vista, CA 919111063527711
- Ramesh Moolani, M.D.Chula Vista, CA 919111437272010
- Marilyn Norton, MDChula Vista, CA 919111417060054
- Kousay Alkourainy, M.D.Chula Vista, CA 919101457361271
- Sheila Kalathil, M.D.Chula Vista, CA 919101700273323
- Reema Batra, MDLa Mesa, CA 919421629286505
Common questions
What is Mariela Noemi Macias, MD's NPI number?
Mariela Noemi Macias, MD's National Provider Identifier (NPI) is 1629235072, issued on May 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mariela Noemi Macias, MD located?
The NPPES record lists a practice address at 1400 E Palomar St, Chula Vista, CA, 91913. Phone: (858) 393-6622. Providers update this record themselves, so call before visiting.
How can I verify Mariela Noemi Macias, MD's license?
NPPES lists California license number A102365, 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 Mariela Noemi Macias, MD prescribe under Medicare Part D?
In 2024, Mariela Noemi Macias, MD had 1,624 Medicare Part D claims for 268 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.