Sharon A. Westerberg, PA-C

  • Lynwood, CA
  • Hematologist and oncologist
NPI1629097191PAC ID7911992094
Part D claims, 2024
311
Hospital affiliations
1
Industry payments
$19,796
Medical group
1
State license
1
Practice address
3630 East Imperial Highway, Lynwood, CA 90262
Practice phone
Call (310) 900-8900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Francis Medical Center

Hospital · Lynwood, California

See all 3 affiliations

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Sharon A. Westerberg is a hematologist and oncologist in Lynwood, California

Sharon Westerberg practices at St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services.

Sharon Westerberg's NPI, 1629097191, was assigned on July 18, 2006. Sharon Westerberg holds California license PA14863.

NPI and contact details
Medicare PAC ID
7911992094
NPI enumeration date
July 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 900-8900
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Sharon A. Westerberg practices at St. Francis Medical Center in Lynwood, California

Sharon Westerberg's primary practice is St. Francis Medical Center, at 3630 East Imperial Highway, Lynwood, CA 90262 in Los Angeles County. The practice phone is (310) 900-8900.

Source: Dmand AI Affiliation Data

Sharon A. Westerberg is affiliated with 2 sites of care and 1 medical group

Sharon Westerberg's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. The medical group on file is City of Hope. Dmand AI also links Sharon Westerberg to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Sharon Westerberg

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Sharon A. Westerberg's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sharon Westerberg practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Francis Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Sharon A. Westerberg is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Sharon Westerberg's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Sharon Westerberg is licensed in California.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense PA14863 · taxonomy 207RH0003X

Hematologists and oncologists near Sharon Westerberg

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

1,502hematologists and oncologists in California
2hematologists and oncologists in Lynwood

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sharon A. Westerberg's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Sharon Westerberg's median patient age at 69, with 71% women.

Sharon Westerberg's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women71%
  • Men28%

Source: Dmand AI Patient Panel Data

Sharon A. Westerberg wrote 311 Medicare Part D claims in 2024

In 2024, Sharon Westerberg wrote 311 Medicare Part D claims for 126 patients. 82% of them were for generic drugs. CMS names the drug for 133 of them, across 8 drugs with 11 or more claims each, at $13,279 in total drug cost. In 2023, CMS named 229 claims across 11 drugs.

Part D claims, 2024311
Drugs named by CMS8
Total drug cost$13,279
Part D patients126

Sharon Westerberg's Part D claims by kind of drug, 2024

  • Generic255 claims82%
  • Brand-name56 claims18%

Sharon Westerberg's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Sharon Westerberg's Part D claims, 2024

  • Opioids4%11 of 311 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2292024: 13342%

Drugs named by CMS: 8 in 2024, 11 in 2023.

See all prescribing by Sharon Westerberg

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Sharon A. Westerberg offers telehealth to Medicare patients

Sharon Westerberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Sharon Westerberg as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sharon A. Westerberg received $19,796 in industry payments from 2018 to 2025

CMS Open Payments shows 687 general payments to Sharon Westerberg from 71 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 89% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,549.

General payments to Sharon Westerberg by program year, 2018 to 2025

General payments to Sharon Westerberg by kind, 2018 to 2025

$19.8Kin total
  • Food and beverage$17,54989%
  • Device or supply loans$1,1966%
  • Honoraria$5403%
  • Education$5103%

Companies that paid Sharon Westerberg the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Sharon Westerberg

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Sharon A. Westerberg's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sharon A. Westerberg

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sharon A. Westerberg's NPI number?

Sharon A. Westerberg's NPI number is 1629097191. It was assigned on July 18, 2006, and it is active in the NPI Registry.

What does Sharon A. Westerberg specialize in?

Sharon A. Westerberg is a hematologist and oncologist in Lynwood, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Sharon A. Westerberg practice?

Sharon Westerberg practices at 3630 East Imperial Highway, Lynwood, CA 90262. Sharon Westerberg's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. Dmand AI also links Sharon Westerberg to 1 group practice or clinic.

What is Sharon A. Westerberg's office phone number?

The practice phone on file for Sharon Westerberg is (310) 900-8900.

What is Sharon A. Westerberg's medical license number?

Sharon Westerberg holds California license PA14863.

Which hospitals is Sharon A. Westerberg affiliated with?

Sharon Westerberg practices at St. Francis Medical Center in Lynwood, California.

What medical group is Sharon A. Westerberg part of?

Sharon Westerberg is linked to City of Hope.

Does Sharon A. Westerberg accept Medicare?

Yes. CMS lists Sharon Westerberg as accepting Medicare assignment.

Does Sharon A. Westerberg offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Sharon Westerberg as offering telehealth services.

What drugs does Sharon A. Westerberg prescribe most?

In 2024 Medicare Part D data, Sharon Westerberg's most prescribed drugs by claims were Hydroxyurea, Anastrozole and Exemestane.

Has Sharon A. Westerberg received payments from drug or device companies?

CMS Open Payments shows $19,796 in general payments to Sharon Westerberg from 71 companies from 2018 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Sharon A. Westerberg been practicing?

Sharon Westerberg graduated from medical school in 1998, 28 years ago.

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