Dr. Barbara A. Parker, MD
- Medicare services, 2021
- 40
- Part D claims, 2021
- 13
- Publications
- 88
- Clinical trials
- 2
- Industry payments
- $102
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Parker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Barbara A. Parker is a hematologist and oncologist in San Diego, California
Dr. Parker practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Parker's NPI, 1629093927, was assigned on July 13, 2006. Dr. Parker graduated from Stanford University School Of Medicine in 1981. Dr. Parker holds California license G49044.
- NPI
- 1629093927NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Barbara A. Parker practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Parker's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Barbara A. Parker is affiliated with 2 sites of care and 1 medical group
Dr. Parker's primary practice is UCSD Hillcrest Medical Center in San Diego, California. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Parker to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Barbara A. Parker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barbara A. Parker is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Parker's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Parker is board certified in internal medicine by the American Board of Internal Medicine. Dr. Parker is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Hematologists and oncologists near Dr. Parker
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Barbara A. Parker billed Medicare for 40 services in 2021
CMS data shows 40 Medicare services from Dr. Parker across 2 procedure codes in 2021, all of them office visits. Medicare paid $2,196 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Parker's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1592021: 4075%
Dr. Parker compared with the California median for hematologists and oncologists, 2021
- Dr. Parker
- California median
- Medicare services
- 40vs 93296% below
- Part D claims
- 13vs 39497% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Parker's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parker and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barbara A. Parker's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Parker's median patient age at 67, with 60% women.
Dr. Parker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Barbara A. Parker wrote 13 Medicare Part D claims in 2021
In 2021, Dr. Parker wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $280 in total drug cost. In 2020, CMS named 99 claims across 6 drugs.
Dr. Parker's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 992021: 1387%
Drugs named by CMS: 1 in 2021, 6 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Barbara A. Parker has 88 publications on record
Dmand AI links 88 papers to Dr. Parker, published from 2005 to 2024. 2015 was the busiest year, with 6. The most frequent topics are Breast Neoplasms, High-Throughput Nucleotide Sequencing and Antineoplastic Combined Chemotherapy Protocols. Dr. Parker has published most often in Breast Cancer Res Treat. Dr. Parker's most frequent co-authors are Richard Bruce Schwab, MD, Paul Timothy Fanta, MD and David Eric Piccioni, MD, PhD.
Dr. Parker's papers by year, 2015 to 2024
Topics Dr. Parker writes about most
- Breast Neoplasms
- High-Throughput Nucleotide Sequencing
- Antineoplastic Combined Chemotherapy Protocols
- Biomarkers, Tumor
- Antineoplastic Agents
- Chemotherapy, Adjuvant
- Energy Intake
- Precision Medicine
Dr. Parker's most frequent co-authors
- Richard Bruce Schwab, MD22 shared papers
- Paul Timothy Fanta, MD12 shared papers
- David Eric Piccioni, MD, PhD11 shared papers
Recent publications by Dr. Parker
See who Dr. Parker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parker works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Barbara A. Parker has worked on 2 clinical trials
Dmand AI links Dr. Parker to 2 clinical trials, 2 of them phase 3 studies. 2 are still active or recruiting. Conditions studied include Breast Neoplasms, Male, Carcinoma, Intraductal, Noninfiltrating and Breast Carcinoma In Situ.
Conditions in Dr. Parker's trials
- Breast Neoplasms, Male
- Carcinoma, Intraductal, Noninfiltrating
- Breast Carcinoma In Situ
- Breast Neoplasms
Investigators on the most trials with Dr. Parker
- Bamidele A. Adesunloye, MD2 shared trials
- Mitchell B. Alden, DO2 shared trials
- Blair Ardman, MD2 shared trials
Recent clinical trials with Dr. Parker
S1207 Hormone Therapy With or Without Everolimus in Treating Patients With Breast Cancer (opens in a new tab)
Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Barbara A. Parker received $102 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Parker from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $68.
Companies that paid Dr. Parker the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Barbara A. Parker has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Parker, most recently Top Docs San Diego in 2020.
Awards and honors for Dr. Parker
- 2020
- Top Docs San Diego
- 2019
- Lifetime Achievement Award
- 2013
- CMS Stage 1 EHR
- 2007
- Leonard Tow Humanism in Medicine Award
Source: Dmand AI Professional Profile Data
Dr. Barbara A. Parker graduated from Stanford University School Of Medicine
Dr. Parker graduated from Stanford University School Of Medicine in 1981. Dr. Parker is a member of ACP and ASCO.
- Medical school
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Barbara A. Parker accepts plans from 1 insurance carrier
Dr. Parker is in network with 1 carrier, including Molina. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Molina
Plan types Dr. Parker accepts, by number of carriers
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Barbara A. Parker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Barbara A. Parker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Barbara A. Parker's NPI number?
Dr. Barbara A. Parker's NPI number is 1629093927. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barbara A. Parker?
Dr. Barbara A. Parker is a hematologist and oncologist in San Diego, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Barbara A. Parker practice?
Dr. Parker practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Parker's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Parker to 1 group practice or clinic.
What is Dr. Barbara A. Parker's office phone number?
The practice phone on file for Dr. Parker is (619) 543-6222.
What is Dr. Barbara A. Parker's medical license number?
Dr. Parker holds California license G49044.
What medical group is Dr. Barbara A. Parker part of?
Dr. Parker is linked to UC San Diego Health.
Does Dr. Barbara A. Parker accept Medicare?
Yes. CMS data shows Dr. Parker billed Medicare for 40 services in 2021.
Is Dr. Barbara A. Parker board certified?
Yes. Dr. Parker is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Barbara A. Parker bill to Medicare?
In 2021, Dr. Parker's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Barbara A. Parker go to medical school?
Dr. Parker graduated from Stanford University School Of Medicine in 1981.
Show 6 more questionsShow fewer questions
What drugs does Dr. Barbara A. Parker prescribe most?
In 2021 Medicare Part D data, Dr. Parker's most prescribed drugs by claims were Letrozole.
Has Dr. Barbara A. Parker received payments from drug or device companies?
CMS Open Payments shows $102 in general payments to Dr. Parker from 2 companies from 2016 to 2016. The largest total came from Genentech, Inc.
How long has Dr. Barbara A. Parker been practicing?
Dr. Parker graduated from medical school in 1981, 45 years ago.
Does Dr. Barbara A. Parker do research?
Dmand AI links 88 publications to Dr. Parker, published from 2005 to 2024. Dr. Parker has worked on 2 clinical trials.
Who does Dr. Barbara A. Parker publish with?
Dr. Parker's most frequent co-authors are Richard Bruce Schwab, MD (22 shared papers), Paul Timothy Fanta, MD (12 shared papers) and David Eric Piccioni, MD, PhD (11 shared papers).
What insurance does Dr. Barbara A. Parker accept?
Dr. Parker is in network with 1 carrier, including Molina. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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