Philis Denise Ransom, M.D.
Obstetrics & Gynecology Physician · San Bernardino, CA
Philis Denise Ransom, M.D. is an obstetrics & gynecology physician with a practice address in San Bernardino, California, and NPI 1396914545, issued on Feb 21, 2008. Check the license (California A100123, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Philis Denise Ransom
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A100123 CA
Self-reported in NPPES; status is on the state search - Practice location
- 742 W Highland Ave, San Bernardino, CA 92405
- Phone
- (909) 881-7320
- Enumerated
- Feb 21, 2008
- Record last updated
- Jun 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (909) 881-7330
- Medicare enrollment
- Enrolled (PECOS I20100330001154); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 742 W Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Damaryz Aguilar, CHWCommunity Health Worker1992562573
- Karl Amparo, NPFamily Nurse Practitioner1841844990
- Daniel Bruch, D.O.Pediatrics Physician1164630026
- Carlos Castro, MSWPsychiatric/Mental Health Nurse Practitioner1205976941
- Sachin Chatta, M.D.Family Medicine Physician1063906709
- Melinda Funk, FNPFamily Nurse Practitioner1679560346
Verify Philis Denise Ransom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
29 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $3,121.85
8 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- San Marcos Medical Group IncSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philis Denise Ransom among 5,088 obstetrics & gynecology physician records in California
Philis Denise Ransom, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 62% of them.
- NPI issued2008 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2005 · median 2004 among the 2,700 with a school on file
- Record last updated2019 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in San Bernardino → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mustafa Khatib, MDSan Bernardino, CA 924051588720858
- Ali Khazaei Nezhad, M.D.San Bernardino, CA 924051669677837
- Kevin Carnevale, M.D.San Bernardino, CA 924041609296722
- Elizabeth Felix-Trunnelle, M.D.San Bernardino, CA 924041083865158
- Chang Lee, M.D.San Bernardino, CA 924041811197536
- Nancy Samudio, MDSan Bernardino, CA 924041841386356
- Keith Schauermann, M.D.San Bernardino, CA 924041538119318
- Babac Shahmohamady, M.D.San Bernardino, CA 924041881774479
Common questions
What is Philis Denise Ransom, M.D.'s NPI number?
Philis Denise Ransom, M.D.'s National Provider Identifier (NPI) is 1396914545, issued on Feb 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Philis Denise Ransom, M.D. located?
The NPPES record lists a practice address at 742 W Highland Ave, San Bernardino, CA, 92405. Phone: (909) 881-7320. Providers update this record themselves, so call before visiting.
How can I verify Philis Denise Ransom, M.D.'s license?
NPPES lists California license number A100123, 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 Philis Denise Ransom, M.D. prescribe under Medicare Part D?
In 2024, Philis Denise Ransom, M.D. had 29 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.