NPPES file of Aug 9, 2026

Mary Janet Castillo Roldan, D.D.S.

General Practice Dentistry · Bakersfield, CA

Mary Janet Castillo Roldan, D.D.S. is a general practice dentistry with a practice address in Bakersfield, California, and NPI 1063414274, issued on Jun 1, 2005. Check the license (California 50897, as entered in NPPES) with the California board that licenses this profession; 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
1063414274
Name
Mary Janet Castillo Roldan
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
50897 CA
Self-reported in NPPES; status is on the state search
Practice location
4921 Calloway Dr, Bakersfield, CA 93312
Phone
(661) 369-8989
Enumerated
Jun 1, 2005
Record last updated
Jun 15, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(661) 369-8988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mary Janet Castillo Roldan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 50897
    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
Find the California license search

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80% fewer Medicare Part D claims than the average general practice dentistry in 2024

17 Medicare Part D claims for 14 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mary Janet Roldan17
  2. Specialty average83

Most prescribed

  1. Amoxicillin11 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.

Mary Janet Castillo Roldan among 17,852 general practice dentistry records in California

Mary Janet Castillo Roldan, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2011 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

178 general practice dentistry records list a practice address in Bakersfield

They are 178 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Isaac Chong, DDSBakersfield, CA 933121558881151
  2. Benjamin Lin, D.M.D.Bakersfield, CA 933121275570079
  3. Kimmie Nguyen, DDSBakersfield, CA 933121700989977
  4. Truong Nguyen, DDSBakersfield, CA 933121619187986
  5. Yong Eon Park, DDSBakersfield, CA 933121578688495
  6. Geetha Shankar NarayanBakersfield, CA 933121982054276
  7. Ezra Solaiman Tehrani, D.D.S.Bakersfield, CA 933121487991394
  8. Nam Tran, DDSBakersfield, CA 933121356621924

Common questions

What is Mary Janet Castillo Roldan, D.D.S.'s NPI number?

Mary Janet Castillo Roldan, D.D.S.'s National Provider Identifier (NPI) is 1063414274, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary Janet Castillo Roldan, D.D.S. located?

The NPPES record lists a practice address at 4921 Calloway Dr, Bakersfield, CA, 93312. Phone: (661) 369-8989. Providers update this record themselves, so call before visiting.

How can I verify Mary Janet Castillo Roldan, D.D.S.'s license?

NPPES lists California license number 50897, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Janet Castillo Roldan, D.D.S. prescribe under Medicare Part D?

In 2024, Mary Janet Castillo Roldan, D.D.S. had 17 Medicare Part D claims for 14 beneficiaries; the average among general practice dentistry prescribers was 83. 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.