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BARBARA A PARKER M.D.
NPI 1629093927
Internal Medicine - Hematology & Oncology in La Jolla, CA

Active since July 13, 2006PECOS Enrolled
3855 HEALTH SCIENCES DR, MAIL CODE 0987, LA JOLLA, CA 92093(858) 822-6200 Get Directions Write a Review

NPPES record last updated: July 16, 2010. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Barbara A Parker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BARBARA A PARKER M.D. (NPI 1629093927) is an individual hematology & oncology provider in La Jolla, California, licensed in California (G49044) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629093927
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameBARBARA A PARKERCredential: M.D.
Location Address3855 HEALTH SCIENCES DR, MAIL CODE 0987La Jolla, CA 92093-1503
Mailing Address3855 Health Sciences Dr, Mail Code 0987La Jolla, CA 92093-1503 · (858) 822-6200
Phone(858) 822-6200
Sole ProprietorNo
Enumeration DateJuly 13, 2006
Last NPPES UpdateJuly 16, 2010
✔ NPI 1629093927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · G49044
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License G49044 (CA)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License G49044 (CA)
3855 HEALTH SCIENCES DR, La Jolla, CA 92093
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Other Identifiers 3

Medicaid00G490440CA
Medicare PINWG49044ACA
Medicare UPINA92868CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Barbara A Parker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Barbara Parker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California
9.2 mi
Allergy & Immunology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,051 clinicians in this Medicare group
NPI 1487772380 (800) 926-8273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THEODORE HOBART WELLING MD
Surgery
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (800) 926-8273
TANIA MARIE MAREK NP
Nurse Practitioner (Family)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (800) 926-8273
ARCHANA AJMERA RN, MSN, APRN-BC
Nurse Practitioner
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 822-6185
PAULA MICHELLE MESARWI MD
Internal Medicine (Hospice and Palliative Medicine)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 534-7079
DR. EVA HO PHARM.D.
Pharmacist
3855 HEALTH SCIENCES DR, RM1036 (MAIL CODE 0845)
LA JOLLA, CA 92093
San Diego County (858) 822-6088
DANIELA BRANCO
Student in an Organized Health Care Education/Training Program
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (920) 737-9398
JEREMY RICH M.D.
Psychiatry & Neurology (Neurology)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 822-6100
DR. ILA MAEWAL SAUNDERS PHARMD
Pharmacist (Oncology)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 657-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Barbara Parker's NPI number?

The NPI number for Barbara Parker is 1629093927. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Barbara Parker located?

Barbara Parker practices at 3855 Health Sciences Dr Mail Code 0987, La Jolla, CA 92093. The listed phone number is (858) 822-6200.

What is Barbara Parker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Barbara Parker enrolled in Medicare?

Yes. Barbara Parker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Barbara Parker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Parker reassigns Medicare benefits to Regents Of The University Of California (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Barbara Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Barbara Parker was last updated on July 16, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.