NPPES file of Aug 9, 2026

Ravi Madhure Shankar, M.D.

Hematology & Oncology Physician · Fountain Valley, CA

Ravi Madhure Shankar, M.D. is a hematology & oncology physician with a practice address in Fountain Valley, California, and NPI 1235387259, issued on Sep 3, 2008. Check the license (California A107718, 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
1235387259
Name
Ravi Madhure Shankar
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A107718 CA
Self-reported in NPPES; status is on the state search
Practice location
18111 Brookhurst St Ste 6100, Fountain Valley, CA 92708
Phone
(657) 241-9755
Enumerated
Sep 3, 2008
Record last updated
Oct 24, 2025
Fax
(714) 907-4407
Medicare enrollment
Enrolled (PECOS I20101124000427); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2007
Telehealth
Offers telehealth (CMS)
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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8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →

Also registered at 18111 Brookhurst St Ste 6100

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

  1. Jody Carr, PA-CPhysician Assistant1881882264
  2. Amanda GuevaraPhysician Assistant1174357255
  3. Sarah Hassan, M.DHematology & Oncology Physician1689935066
  4. Jack Jacoub, M.D.Hematology & Oncology Physician1528016318
  5. Gurpreet Multani, MDHematology & Oncology Physician1417117979
  6. Casie Nguyen, FNPFamily Nurse Practitioner1801155726

Verify Ravi Madhure Shankar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A107718    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

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80% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

177 Medicare Part D claims for 23 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Ravi Shankar177
  2. Specialty average877

Most prescribed

  1. Eliquis16 claims
  2. Pantoprazole Sodium14 claims
  3. Promacta12 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 2 group practices

  1. Memorialcare Medical FoundationFountain Valley, CA
  2. Usc Care Medical Group IncLos Angeles, CA

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

Ravi Madhure Shankar among 1,583 hematology & oncology physician records in California

Ravi Madhure Shankar, M.D. 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
  • Graduated2007 · median 2003 among the 1,124 with a school on file
  • Record last updated2025 · 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 Fountain Valley → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Sarah Hassan, M.DFountain Valley, CA 927081689935066
  2. Jack Jacoub, M.D.Fountain Valley, CA 927081528016318
  3. Eric Lee, M.D., PH.D.Fountain Valley, CA 927081609211838
  4. Rufina Pamela Mae Miel, MDFountain Valley, CA 927081063470391
  5. Robert Moss, M.D.Fountain Valley, CA 927081861503609
  6. Gurpreet Multani, MDFountain Valley, CA 927081417117979
  7. Bichlien Nguyen, M.D.Fountain Valley, CA 927081417912239
  8. Lalita Pandit, M.D.Fountain Valley, CA 927081578521266

Common questions

What is Ravi Madhure Shankar, M.D.'s NPI number?

Ravi Madhure Shankar, M.D.'s National Provider Identifier (NPI) is 1235387259, issued on Sep 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ravi Madhure Shankar, M.D. located?

The NPPES record lists a practice address at 18111 Brookhurst St Ste 6100, Fountain Valley, CA, 92708. Phone: (657) 241-9755. Providers update this record themselves, so call before visiting.

How can I verify Ravi Madhure Shankar, M.D.'s license?

NPPES lists California license number A107718, 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 Ravi Madhure Shankar, M.D. prescribe under Medicare Part D?

In 2024, Ravi Madhure Shankar, M.D. had 177 Medicare Part D claims for 23 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.