Mariah Greiner, FNP

  • Buffalo, NY
  • Family nurse practitioner
NPI1619347010
Part D claims, 2024
140
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2015
Practice address
565 Abbott Road, Buffalo, NY 14220
Practice phone
Call (716) 826-7000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital of Buffalo

Hospital · Buffalo, New York

See all 3 affiliations

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Mariah Greiner is a family nurse practitioner in Buffalo, New York

Mariah Greiner practices at Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System.

Mariah Greiner's NPI, 1619347010, was assigned on September 29, 2015. Mariah Greiner holds New York license F339466-1.

NPI and contact details
NPI enumeration date
September 29, 2015
NPI status
Active
Practice phone
(716) 826-7000
Professional email
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Personal email
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Mobile number
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Sex
Female

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

Mariah Greiner practices at Mercy Hospital of Buffalo in Buffalo, New York

Mariah Greiner's primary practice is Mercy Hospital of Buffalo, at 565 Abbott Road, Buffalo, NY 14220 in Erie County. The practice phone is (716) 826-7000.

Source: Dmand AI Affiliation Data

Mariah Greiner is affiliated with 2 sites of care and 1 medical group

Mariah Greiner's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. The medical group on file is Kaleida Health. Dmand AI also links Mariah Greiner to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Mariah Greiner

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

Dmand AI tracks the EHR system at Mariah Greiner's practice

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

EHR by site
SiteEHR vendor and product
Mercy Hospital of BuffaloAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Mariah Greiner is one of 10,214 family nurse practitioners in New York

Family is Mariah Greiner's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mariah Greiner is licensed in New York.

Specialties and state licenses

  • Family nurse practitioner, New YorkPrimaryLicense F339466-1 · taxonomy 363LF0000X

Family nurse practitioners near Mariah Greiner

Counts of family nurse practitioners 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

Mariah Greiner's patients have a median age of 47

Across all payers, Dmand AI patient panel data puts Mariah Greiner's median patient age at 47, with 66% women.

Mariah Greiner's patients across all payers

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

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women66%
  • Men34%

Source: Dmand AI Patient Panel Data

Mariah Greiner wrote 140 Medicare Part D claims in 2024

In 2024, Mariah Greiner wrote 140 Medicare Part D claims for 40 patients. 89% of them were for generic drugs.

Part D claims, 2024140
Part D patients40

Mariah Greiner's Part D claims by kind of drug, 2024

  • Generic124 claims89%
  • Brand-name and other16 claims11%

Drug classes CMS tracks in Mariah Greiner's Part D claims, 2024

  • Antibiotics11%15 of 140 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Mariah Greiner'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 (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 Mariah Greiner

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

What is Mariah Greiner's NPI number?

Mariah Greiner's NPI number is 1619347010. It was assigned on September 29, 2015, and it is active in the NPI Registry.

What does Mariah Greiner specialize in?

Mariah Greiner is a family nurse practitioner in Buffalo, New York. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Mariah Greiner practice?

Mariah Greiner practices at 565 Abbott Road, Buffalo, NY 14220. Mariah Greiner's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dmand AI also links Mariah Greiner to 1 group practice or clinic.

What is Mariah Greiner's office phone number?

The practice phone on file for Mariah Greiner is (716) 826-7000.

What is Mariah Greiner's medical license number?

Mariah Greiner holds New York license F339466-1.

Which hospitals is Mariah Greiner affiliated with?

Mariah Greiner practices at Mercy Hospital of Buffalo in Buffalo, New York.

What medical group is Mariah Greiner part of?

Mariah Greiner is linked to Kaleida Health.

How long has Mariah Greiner been practicing?

Mariah Greiner's NPI was assigned in 2015.

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