NPPES file of Aug 9, 2026

Mary Katherine Holstein, MSN-AGACNP

Acute Care Nurse Practitioner · Las Vegas, NV

Mary Katherine Holstein, MSN-AGACNP is an acute care nurse practitioner with a practice address in Las Vegas, Nevada, and NPI 1164196986, issued on Aug 4, 2021. Check the license (Nevada 839696, as entered in NPPES) with the Nevada 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
1164196986
Name
Mary Katherine Holstein
Credential
MSN-AGACNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
839696 NV
1048013 TX
Self-reported in NPPES; status is on the state search
Practice location
4445 S Eastern Ave Ste 1, Las Vegas, NV 89119
Phone
(702) 410-5319
Enumerated
Aug 4, 2021
Record last updated
Jan 19, 2023
Fax
(702) 442-1494
Medicaid ID
1164196986 NV
Medicare enrollment
Enrolled (PECOS I20230123001896); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest acute care nurse practitioner records → All 176 in Nevada → Look up another NPI →

Also registered at 4445 S Eastern Ave Ste 1

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

  1. Tania Al Shamy, M.D.Endocrinology, Diabetes & Metabolism Physician1669825774
  2. Li-Chien Chen, D.OInfectious Disease Physician1528492949
  3. Lea Diola, NP-CGerontology Nurse Practitioner1073115614
  4. Jessie Do, APRNFamily Nurse Practitioner1487439923
  5. Ammar Wehbeh, MDObstetrics & Gynecology Physician1669461455

Verify Mary Katherine Holstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nevada board licenses this profession
    Search for license 839696    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 Nevada license search

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90% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

57 Medicare Part D claims for 20 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.

  1. Mary Holstein57
  2. Specialty average594

Most prescribed

  1. Daptomycin18 claims
  2. Ceftriaxone12 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.

Industry payments in 2024: $119.60

1 payment: food and beverage; the largest payer was Melinta Therapeutics, LLC. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Holstein$119.60
  2. Specialty average$647.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Babak Hooshmand MD PLLCLas Vegas, NV

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

Mary Katherine Holstein among 176 acute care nurse practitioner records in Nevada

Mary Katherine Holstein, MSN-AGACNP is one of 176 acute care nurse practitioner records with a practice address in Nevada. 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 49% of them.

  • NPI issued2021 · 49% of these records are older, 38% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2021 · median 2021 among the 120 with a school on file
  • Record last updated2023 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Nevada

There are 176 acute care nurse practitioner records in Nevada.

All 176 in Nevada → Every provider in Las Vegas → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Andre Plaut, NPLas Vegas, NV 891191497294367
  2. Krystal Coffman, NPLas Vegas, NV 891181427091438
  3. Eileen Justo, APRN-CNPLas Vegas, NV 891181689230500
  4. Kenesha Medley, NPLas Vegas, NV 891181669326229
  5. Jerome Nicolas, APRNLas Vegas, NV 891181497506463
  6. Phillisha ThompsonLas Vegas, NV 891201790453975
  7. Dragana TomicLas Vegas, NV 891181194350371
  8. Joshua Goldstein, APRNLas Vegas, NV 891171689288417

Common questions

What is Mary Katherine Holstein, MSN-AGACNP's NPI number?

Mary Katherine Holstein, MSN-AGACNP's National Provider Identifier (NPI) is 1164196986, issued on Aug 4, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katherine Holstein, MSN-AGACNP located?

The NPPES record lists a practice address at 4445 S Eastern Ave Ste 1, Las Vegas, NV, 89119. Phone: (702) 410-5319. Providers update this record themselves, so call before visiting.

How can I verify Mary Katherine Holstein, MSN-AGACNP's license?

NPPES lists Nevada license number 839696, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Katherine Holstein, MSN-AGACNP prescribe under Medicare Part D?

In 2024, Mary Katherine Holstein, MSN-AGACNP had 57 Medicare Part D claims for 20 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.