Mary O. Greer

  • Mc Kees Rocks, PA
  • Nurse practitioner
NPI1235426800PAC ID3274710694
Medicare patients, 2024
34
Part D claims, 2024
64
MIPS score, 2024
81
Hospital affiliations
2
Industry payments
$205
Practice address
366 Helen St, Mc Kees Rocks, PA 15136
Practice phone
Call (412) 331-2600
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwest EMS

Mc Kees Rocks, Pennsylvania

See all 4 affiliations

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Mary O. Greer is a nurse practitioner in Mc Kees Rocks, Pennsylvania

Mary Greer practices at Northwest EMS in Mc Kees Rocks, Pennsylvania.

Mary Greer's NPI, 1235426800, was assigned on July 5, 2011. Mary Greer holds Pennsylvania license SP009017.

NPI and contact details
Medicare PAC ID
3274710694
NPI enumeration date
July 5, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(412) 331-2600
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
47
Medical school graduation
2005

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

Mary O. Greer practices at Northwest EMS in Mc Kees Rocks, Pennsylvania

Mary Greer's primary practice is Northwest EMS, at 366 Helen St, Mc Kees Rocks, PA 15136 in Allegheny County. The practice phone is (412) 331-2600.

  • Northwest EMS
    366 Helen St, Mc Kees Rocks, PA 15136 · Allegheny CountyPhone(412) 331-2600

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Mary O. Greer is affiliated with 3 sites of care and 1 medical group

Mary Greer's primary practice is Northwest EMS in Mc Kees Rocks, Pennsylvania. Mary Greer is also affiliated with UPMC Presbyterian. The medical group on file is University of Pittsburgh Physicians, Department of Radiology. Dmand AI also links Mary Greer to 1 more hospital, named with a free account.

See all 4 affiliations for Mary Greer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mary O. Greer's practice

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

EHR by site
SiteEHR vendor and product
Northwest EMSAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Mary O. Greer is one of 2,845 nurse practitioners in Pennsylvania

Nurse practitioner is Mary Greer's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Greer is licensed in Pennsylvania.

Specialties and state licenses

  • Nurse practitioner, PennsylvaniaPrimaryLicense SP009017 · taxonomy 363L00000X

Nurse practitioners near Mary Greer

Counts of 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

Mary O. Greer treated 34 Medicare patients in 2024, average age 73

CMS counts 34 Medicare patients who saw Mary Greer in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mary Greer's median patient age at 58, with 29% women.

Medicare patients, 202434
Average age73
Average risk score2.60
Also on Medicaid32%

Mary Greer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mary Greer's Medicare patients by sex, 2024

  • Women1544%
  • Men1956%

Chronic conditions among Mary Greer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis68%
  4. Anxiety50%
  5. Depression50%
  6. Mood disorders50%
  7. Atrial fibrillation41%
  8. Ischemic heart disease41%

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

Mary Greer's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women29%
  • Men71%

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

Mary O. Greer wrote 64 Medicare Part D claims in 2024

In 2024, Mary Greer wrote 64 Medicare Part D claims for 36 patients. 94% of them were for generic drugs.

Part D claims, 202464
Part D patients36

Mary Greer's Part D claims by kind of drug, 2024

  • Generic60 claims94%
  • Brand-name and other4 claims6%

Drug classes CMS tracks in Mary Greer's Part D claims, 2024

  • Opioids44%28 of 64 claims
  • Antibiotics20%13 of 64 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

Mary O. Greer scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Mary Greer for performance year 2024, reported as part of a group. Mary Greer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Mary Greer's MIPS scores, performance year 2024

  • 81of 100Final score
  • 61.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Mary O. Greer received $205 in industry payments in 2025

CMS Open Payments shows 3 general payments to Mary Greer from 1 drug or device company in 2025. Food and beverage make up the largest share, 64% of the total. Medical Device Business Services, Inc. paid the most, $205.

General payments to Mary Greer by kind, 2025 to 2025

$205in total
  • Food and beverage$13064%
  • Education$7436%

Companies that paid Mary Greer the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mary Greer

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

Sources for Mary O. Greer'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Mary O. Greer

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

What is Mary O. Greer's NPI number?

Mary O. Greer's NPI number is 1235426800. It was assigned on July 5, 2011, and it is active in the NPI Registry.

What does Mary O. Greer specialize in?

Mary O. Greer is a nurse practitioner in Mc Kees Rocks, Pennsylvania. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Mary O. Greer practice?

Mary Greer practices at 366 Helen St, Mc Kees Rocks, PA 15136. Mary Greer's primary practice is Northwest EMS in Mc Kees Rocks, Pennsylvania. Dmand AI also links Mary Greer to 1 hospital.

What is Mary O. Greer's office phone number?

The practice phone on file for Mary Greer is (412) 331-2600.

What is Mary O. Greer's medical license number?

Mary Greer holds Pennsylvania license SP009017.

Which hospitals is Mary O. Greer affiliated with?

Mary Greer is affiliated with UPMC Presbyterian. Dmand AI links Mary Greer to 1 more hospital.

What medical group is Mary O. Greer part of?

Mary Greer is linked to University of Pittsburgh Physicians, Department of Radiology.

Does Mary O. Greer accept Medicare?

Yes. CMS lists Mary Greer as accepting Medicare assignment.

What is Mary O. Greer's MIPS score?

Mary Greer's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

How many Medicare patients does Mary O. Greer see?

CMS counts 34 Medicare patients who saw Mary Greer in 2024, with an average age of 73.

Has Mary O. Greer received payments from drug or device companies?

CMS Open Payments shows $205 in general payments to Mary Greer from 1 company from 2025 to 2025. The largest total came from Medical Device Business Services, Inc.

How long has Mary O. Greer been practicing?

Mary Greer graduated from medical school in 2005, 21 years ago.

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