Mercedes Noelle Montalvo, MD
Internal Medicine Physician · Los Angeles, CA
Mercedes Noelle Montalvo, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1871836320, issued on Apr 3, 2013. Check the license (California A133176, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mercedes Noelle Montalvo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A133176 CA
Self-reported in NPPES; status is on the state search - Practice location
- 701 W Cesar Estrada Chavez Ave, Los Angeles, CA 90012
- Phone
- (213) 217-5300
- Enumerated
- Apr 3, 2013
- Record last updated
- Mar 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 701 W Cesar Estrada Chavez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer AllenLicensed Vocational Nurse1780499392
- Gabriela Campos, LVN-HCCLicensed Vocational Nurse1528936390
- Diane Veloz, LVNLicensed Vocational Nurse1205605144
- Viktoriya Webster, RNCase Management Registered Nurse1346829355
Verify Mercedes Noelle Montalvo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,942 Medicare Part D claims for 78 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 30 claims were for opioids.
Most prescribed
- Atorvastatin Calcium115 claims
- Losartan Potassium96 claims
- Amlodipine Besylate70 claims
- Metformin Hcl59 claims
- Gabapentin54 claims
- Albuterol Sulfate Hfa47 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.
Mercedes Noelle Montalvo among 17,696 internal medicine physician records in California
Mercedes Noelle Montalvo, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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Common questions
What is Mercedes Noelle Montalvo, MD's NPI number?
Mercedes Noelle Montalvo, MD's National Provider Identifier (NPI) is 1871836320, issued on Apr 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mercedes Noelle Montalvo, MD located?
The NPPES record lists a practice address at 701 W Cesar Estrada Chavez Ave, Los Angeles, CA, 90012. Phone: (213) 217-5300. Providers update this record themselves, so call before visiting.
How can I verify Mercedes Noelle Montalvo, MD's license?
NPPES lists California license number A133176, 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 Mercedes Noelle Montalvo, MD prescribe under Medicare Part D?
In 2024, Mercedes Noelle Montalvo, MD had 1,942 Medicare Part D claims for 78 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.