NPPES file of Aug 9, 2026

Barbara A. Parker, M.D.

Hematology & Oncology Physician · La Jolla, CA

Barbara A. Parker, M.D. is a hematology & oncology physician with a practice address in La Jolla, California, and NPI 1629093927, issued on Jul 13, 2006. Check the license (California G49044, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1629093927
Name
Barbara A. Parker
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
G49044 CA
Self-reported in NPPES; status is on the state search
Practice location
3855 Health Sciences Dr, La Jolla, CA 92093
Phone
(858) 822-6200
Enumerated
Jul 13, 2006
Record last updated
Jul 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
00G490440 CA
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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8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →

Also registered at 3855 Health Sciences Dr

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

  1. Archana Ajmera, RN, MSN, APRN-BCNurse Practitioner1063792240
  2. Rabia Atayee, PHARM.D.Pharmacist1770655771
  3. Jill Attia, C.R.N.P.Nurse Practitioner1275598591
  4. Johana Austria, FNPFamily Nurse Practitioner1780963413
  5. Kasey Bamel, DNPFamily Nurse Practitioner1487106886
  6. Rafael Bejar, M.D., PH.D.Hematology & Oncology Physician1720051493

Verify Barbara A. Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G49044    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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Barbara A. Parker among 1,583 hematology & oncology physician records in California

Barbara A. Parker, 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 not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 54% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2010 · 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).

46 hematology & oncology physician records list a practice address in La Jolla

They are 46 of the 3,648 NPPES records with a practice address in La Jolla, and 1,583 hematology & oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,583 in California → Every provider in La Jolla → Hematology & Oncology Physician nationwide →

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

  1. Rafael Bejar, M.D., PH.D.La Jolla, CA 920931720051493
  2. Sarah Boles, M.D.La Jolla, CA 920931245391242
  3. Imawati Budihardjo, M.D., PH.DLa Jolla, CA 920931043337173
  4. Srila Gopal, M.D.La Jolla, CA 920931831323369
  5. Ayad Hamdan, M.D.La Jolla, CA 920931144431230
  6. Teresa Helsten, M.D.La Jolla, CA 920931265408678
  7. Akram Mesleh Shayeb, M.D.La Jolla, CA 920931861784993
  8. Aaron Miller, M.D., PH.D.La Jolla, CA 920931104127679

Common questions

What is Barbara A. Parker, M.D.'s NPI number?

Barbara A. Parker, M.D.'s National Provider Identifier (NPI) is 1629093927, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barbara A. Parker, M.D. located?

The NPPES record lists a practice address at 3855 Health Sciences Dr, La Jolla, CA, 92093. Phone: (858) 822-6200. Providers update this record themselves, so call before visiting.

How can I verify Barbara A. Parker, M.D.'s license?

NPPES lists California license number G49044, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.