NPPES file of Aug 9, 2026

Nandinidevi Ramaswamy, MD

Internal Medicine Physician · Fillmore, CA

Nandinidevi Ramaswamy, MD is an internal medicine physician with a practice address in Fillmore, California, and NPI 1245613348, issued on Jul 7, 2015. Check the license (California 153224, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245613348
Name
Nandinidevi Ramaswamy
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
153224 CA
Self-reported in NPPES; status is on the state search
Practice location
355 Central Ave, Fillmore, CA 93015
Phone
(805) 524-4926
Enumerated
Jul 7, 2015
Record last updated
Jan 23, 2023
Fax
(805) 524-4137
Medicare enrollment
Enrolled (PECOS I20180702000997); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 355 Central Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Davoud AbbasiOptometrist1902361678
  2. Anita Brahme, DDS, MDSGeneral Practice Dentistry1558374215
  3. Michelle Brown, RNC, WHCNP, PMHNPWomen's Health Nurse Practitioner1982738175
  4. Ryan DavisDentist1538898903
  5. Giselle Fernandez, DDSGeneral Practice Dentistry1619769353
  6. Ahmed Hammoodi, MDFamily Medicine Physician1114661824

Verify Nandinidevi Ramaswamy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 153224
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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20% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,542 Medicare Part D claims for 560 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 33 claims were for opioids.

  1. Nandinidevi Ramaswamy2,542
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium183 claims
  2. Lisinopril129 claims
  3. Amlodipine Besylate106 claims
  4. Gabapentin92 claims
  5. Losartan Potassium91 claims
  6. Rosuvastatin Calcium87 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupWoodland Hills, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nandinidevi Ramaswamy among 17,696 internal medicine physician records in California

Nandinidevi Ramaswamy, 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 2015, is newer than 76% of them.

  • NPI issued2015 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2013 · median 2004 among the 11,065 with a school on file
  • Record last updated2023 · 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).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Elizabeth Pandian, M.D.Santa Barbara, CA 930151518522341
  2. Philip Wan, D.O.Santa Barbara, CA 930151235794009
  3. William Edelstein, M.D.Carpinteria, CA 930131073527875
  4. Todd Engstrom, MDCarpinteria, CA 930131538282587
  5. Rafael Victoria, M.D.Carpinteria, CA 930131194870220
  6. Martin Walker, M.D.Carpinteria, CA 930131548305865
  7. Erin Baldwin, MDCamarillo, CA 930121770786881
  8. Sabrina Barata, MDCamarillo, CA 930121255892923

Common questions

What is Nandinidevi Ramaswamy, MD's NPI number?

Nandinidevi Ramaswamy, MD's National Provider Identifier (NPI) is 1245613348, issued on Jul 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nandinidevi Ramaswamy, MD located?

The NPPES record lists a practice address at 355 Central Ave, Fillmore, CA, 93015. Phone: (805) 524-4926. Providers update this record themselves, so call before visiting.

How can I verify Nandinidevi Ramaswamy, MD's license?

NPPES lists California license number 153224, 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 Nandinidevi Ramaswamy, MD prescribe under Medicare Part D?

In 2024, Nandinidevi Ramaswamy, MD had 2,542 Medicare Part D claims for 560 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.