NPPES file of Aug 9, 2026

Anastacia Austriaco Mesina, PA-C

Medical Physician Assistant · Merrillville, IN

Anastacia Austriaco Mesina, PA-C is a medical physician assistant with a practice address in Merrillville, Indiana, and NPI 1356933428, issued on Feb 9, 2021. Check the license (Indiana 10003220A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356933428
Name
Anastacia Austriaco Mesina
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
10003220A IN
Self-reported in NPPES; status is on the state search
Practice location
101 E 87TH Ave Ste 420, Merrillville, IN 46410
Phone
(219) 947-1910
Enumerated
Feb 9, 2021
Record last updated
Jan 17, 2022
Fax
(219) 769-2313
Medicare enrollment
Enrolled (PECOS I20210604000474); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 E 87TH Ave Ste 420

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

  1. John Mirro, MDGastroenterology Physician1689678955
  2. Bryan Robins, MDSurgery Physician1023549938

Verify Anastacia Austriaco Mesina in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 10003220A
    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
Find the Indiana license search

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87% fewer Medicare Part D claims than the average medical physician assistant in 2024

146 Medicare Part D claims for 68 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 54 claims were for opioids.

  1. Anastacia Mesina146
  2. Specialty average1,148

Most prescribed

  1. Hydrocodone-Acetaminophen44 claims
  2. Omeprazole18 claims
  3. Gabapentin17 claims
  4. Ursodiol17 claims
  5. Ondansetron Odt11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. The Methodist Hospitals IncMerrillville, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anastacia Austriaco Mesina among 405 medical physician assistant records in Indiana

Anastacia Austriaco Mesina, PA-C is one of 405 medical physician assistant records with a practice address in Indiana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 73% of them.

  • NPI issued2021 · 73% of these records are older, 21% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2020 · median 2017 among the 268 with a school on file
  • Record last updated2022 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Indiana

There are 405 medical physician assistant records in Indiana.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Olivia Aguilar, PAMerrillville, IN 464101942571724
  2. Nathan Janowicz, PA-CMerrillville, IN 464101700697257
  3. Allison Jarrett, PAMerrillville, IN 464101841882834
  4. Nicole PetersonMerrillville, IN 464101992424048
  5. Alexandria SnowtonMerrillville, IN 464101245533215
  6. Gina Ugo-Neff, PA-CMerrillville, IN 464101174511851
  7. Nancy WheelerMerrillville, IN 464101891096376
  8. Sarah Ludwigsen, PA-CGary, IN 464061760098719

Common questions

What is Anastacia Austriaco Mesina, PA-C's NPI number?

Anastacia Austriaco Mesina, PA-C's National Provider Identifier (NPI) is 1356933428, issued on Feb 9, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Anastacia Austriaco Mesina, PA-C located?

The NPPES record lists a practice address at 101 E 87TH Ave Ste 420, Merrillville, IN, 46410. Phone: (219) 947-1910. Providers update this record themselves, so call before visiting.

How can I verify Anastacia Austriaco Mesina, PA-C's license?

NPPES lists Indiana license number 10003220A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Anastacia Austriaco Mesina, PA-C prescribe under Medicare Part D?

In 2024, Anastacia Austriaco Mesina, PA-C had 146 Medicare Part D claims for 68 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.