Lia Kathryn Zappala, PA-C

  • Whittier, CA
  • Surgical physician assistant
NPI1851998579PAC ID1850703729
Medicare services, 2024
244
Medicare patients, 2024
136
Part D claims, 2024
748
Hospital affiliations
2
Industry payments
$195
Practice address
12401 Washington Blvd, Whittier, CA 90602
Practice phone
Call (562) 698-0811
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

PIH Health Whittier Hospital

Hospital · Whittier, California

See all 5 affiliations

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Lia Kathryn Zappala is a surgical physician assistant in Whittier, California

Lia Zappala practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.

Lia Zappala's NPI, 1851998579, was assigned on October 6, 2020. Lia Zappala holds Illinois license 085007954.

NPI and contact details
Medicare PAC ID
1850703729
NPI enumeration date
October 6, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 698-0811
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
32
Medical school graduation
2020

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

Lia Kathryn Zappala practices at PIH Health Whittier Hospital in Whittier, California

Lia Zappala's primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.

Source: Dmand AI Affiliation Data

Lia Kathryn Zappala is affiliated with 3 sites of care and 2 medical groups

Lia Zappala's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. The medical group on file is PIH Health Physicians. Dmand AI also links Lia Zappala to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Lia Zappala

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

Dmand AI tracks the EHR system at Lia Kathryn Zappala's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Lia Zappala practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
PIH Health Whittier HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Lia Kathryn Zappala is one of 883 surgical physician assistants in California

Surgical is Lia Zappala's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Lia Zappala is licensed in Illinois.

Specialties and state licenses

  • Surgical physician assistant, IllinoisPrimaryLicense 085007954 · taxonomy 363AS0400X

Surgical physician assistants near Lia Zappala

Counts of surgical physician assistants 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

Lia Kathryn Zappala billed Medicare for 244 services in 2024

CMS data shows 244 Medicare services from Lia Zappala across 4 procedure codes in 2024, for 136 Medicare patients. Medicare paid $12,616 for them.

Medicare services, 2024244
Medicare patients136
Paid by Medicare$12,616
Procedure codes4

Lia Zappala's Medicare services by type, 2024

  1. Office and hospital visits193
  2. Lab and pathology51

Where Lia Zappala's Medicare services took place, 2024

  • In an office14559%
  • In a facility9941%

Lia Zappala compared with the California median for surgical physician assistants, 2024

  • Lia Zappala
  • California median
Medicare services
244vs 22011% above
Medicare patients
136vs 9051% above
Part D claims
669vs 1554.3 times

Medians across 656 surgical physician assistants in California with Dmand AI profiles that report each measure.

Lia Zappala's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Lia Zappala

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Lia Kathryn Zappala treated 136 Medicare patients in 2024, average age 76

CMS counts 136 Medicare patients who saw Lia Zappala in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Lia Zappala's median patient age at 74, with 44% women.

Medicare patients, 2024136
Average age76
Average risk score2.02
Also on Medicaid35%

Lia Zappala's Medicare patients by age, 2024

Lia Zappala's Medicare patients by sex, 2024

  • Women5037%
  • Men8663%

Chronic conditions among Lia Zappala's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis43%
  4. Chronic kidney disease42%
  5. Diabetes40%
  6. Ischemic heart disease32%
  7. Atrial fibrillation28%
  8. Heart failure27%

Share of Medicare patients with each condition. A patient can have several.

Lia Zappala's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women44%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Lia Kathryn Zappala wrote 748 Medicare Part D claims in 2024

In 2024, Lia Zappala wrote 748 Medicare Part D claims for 357 patients. 90% of them were for generic drugs. CMS names the drug for 669 of them, across 18 drugs with 11 or more claims each, at $46,809 in total drug cost.

Part D claims, 2024748
Drugs named by CMS18
Total drug cost$46,809
Part D patients357

Lia Zappala's Part D claims by kind of drug, 2024

  • Generic676 claims90%
  • Brand-name72 claims10%

Lia Zappala'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 Lia Zappala's Part D claims, 2024

  • Opioids4%33 of 748 claims
  • Antibiotics36%272 of 748 claims

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

See all prescribing by Lia Zappala

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

How Lia Kathryn Zappala takes part in Medicare

Lia Zappala accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Lia Kathryn Zappala received $195 in industry payments from 2024 to 2025

CMS Open Payments shows 7 general payments to Lia Zappala from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $85.

General payments to Lia Zappala by program year, 2024 to 2025

Companies that paid Lia Zappala the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Lia Zappala

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

Sources for Lia Kathryn Zappala'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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 Lia Kathryn Zappala

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

What is Lia Kathryn Zappala's NPI number?

Lia Kathryn Zappala's NPI number is 1851998579. It was assigned on October 6, 2020, and it is active in the NPI Registry.

What does Lia Kathryn Zappala specialize in?

Lia Kathryn Zappala is a surgical physician assistant in Whittier, California. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).

Where does Lia Kathryn Zappala practice?

Lia Zappala practices at 12401 Washington Blvd, Whittier, CA 90602. Lia Zappala's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Lia Zappala to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Lia Kathryn Zappala's office phone number?

The practice phone on file for Lia Zappala is (562) 698-0811.

What is Lia Kathryn Zappala's medical license number?

Lia Zappala holds Illinois license 085007954.

Which hospitals is Lia Kathryn Zappala affiliated with?

Lia Zappala practices at PIH Health Whittier Hospital in Whittier, California. Dmand AI links Lia Zappala to 1 more hospital.

What medical group is Lia Kathryn Zappala part of?

Lia Zappala is linked to PIH Health Physicians. Dmand AI links Lia Zappala to 1 more medical group.

Does Lia Kathryn Zappala accept Medicare?

Yes. CMS data shows Lia Zappala billed Medicare for 244 services in 2024, and Lia Zappala accepts Medicare assignment.

How many Medicare patients does Lia Kathryn Zappala see?

CMS counts 136 Medicare patients who saw Lia Zappala in 2024, with an average age of 76.

What services does Lia Kathryn Zappala bill to Medicare?

In 2024, Lia Zappala's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and lab and pathology test (81002).

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What drugs does Lia Kathryn Zappala prescribe most?

In 2024 Medicare Part D data, Lia Zappala's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Ciprofloxacin HCl.

Has Lia Kathryn Zappala received payments from drug or device companies?

CMS Open Payments shows $195 in general payments to Lia Zappala from 5 companies from 2024 to 2025. The largest total came from Sumitomo Pharma America, Inc.

How long has Lia Kathryn Zappala been practicing?

Lia Zappala graduated from medical school in 2020, 6 years ago.

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