Dr. Joanne Grace Santos Greising, MD

  • Marquette, MI
  • Internist
NPI1043748874
Medicare services, 2023
124
Part D claims, 2024
144
Hospital affiliations
2
Industry payments
$61
State license
1
Practice address
850 W Baraga Ave, Marquette, MI 49855
Practice phone
Call (906) 228-9440
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UP Health System - Marquette

Hospital · Marquette, Michigan

See all 2 affiliations

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Dr. Joanne Grace Santos Greising is an internist in Marquette, Michigan

Dr. Greising practices at UP Health System - Marquette in Marquette, Michigan, part of Lifepoint Health.

Dr. Greising's NPI, 1043748874, was assigned on May 24, 2017. Dr. Greising holds Ohio license 35.139850.

NPI and contact details
NPI enumeration date
May 24, 2017
NPI status
Active
Practice phone
(906) 228-9440
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
43
Medical school graduation
2009

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

Dr. Joanne Grace Santos Greising practices at UP Health System - Marquette in Marquette, Michigan

Dr. Greising's primary practice is UP Health System - Marquette, at 850 W Baraga Ave, Marquette, MI 49855 in Marquette County. The practice phone is (906) 228-9440.

Source: Dmand AI Affiliation Data

Dr. Joanne Grace Santos Greising is affiliated with 2 sites of care

Dr. Greising's primary practice is UP Health System - Marquette in Marquette, Michigan, part of Lifepoint Health. Dmand AI also links Dr. Greising to 1 hospital, named with a free account.

See all 2 affiliations for Dr. Greising

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

Dmand AI tracks the EHR system at Dr. Joanne Grace Santos Greising's practice

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

EHR by site
SiteEHR vendor and product
UP Health System - MarquetteAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joanne Grace Santos Greising is one of 4,804 internists in Michigan

Internal medicine is Dr. Greising's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Greising is licensed in Ohio.

Specialties and state licenses

  • Internal medicine, OhioPrimaryLicense 35.139850 · taxonomy 207R00000X

Internists near Dr. Greising

Counts of internists 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

Dr. Joanne Grace Santos Greising billed Medicare for 124 services in 2023

CMS data shows 124 Medicare services from Dr. Greising across 5 procedure codes in 2023. Medicare paid $6,599 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2023124
Paid by Medicare$6,599
Procedure codes5

Dr. Greising's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 772023: 12461%

Dr. Greising compared with the Michigan median for internists, 2023

  • Dr. Greising
  • Michigan median
Medicare services
124vs 42371% below
Part D claims
247vs 31421% below

Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.

Dr. Greising's most billed Medicare procedure codes, 2023

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

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

Dr. Joanne Grace Santos Greising's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Greising's median patient age at 62, with 21% women.

Dr. Greising's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women21%
  • Men79%

Source: Dmand AI Patient Panel Data

Dr. Joanne Grace Santos Greising wrote 144 Medicare Part D claims in 2024

In 2024, Dr. Greising wrote 144 Medicare Part D claims for 55 patients. 78% of them were for generic drugs. They cover 13 drugs, with $29,664 in total drug cost. In 2022, CMS named 213 claims across 12 drugs.

Part D claims, 2024144
Drugs named by CMS13
Total drug cost$29,664
Part D patients55

Dr. Greising's Part D claims by kind of drug, 2024

  • Generic112 claims78%
  • Brand-name21 claims15%
  • Other11 claims8%

Dr. Greising's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 2132023: 24716%

Drugs named by CMS: 13 in 2023, 12 in 2022.

See all prescribing by Dr. Greising

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

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Dr. Joanne Grace Santos Greising received $61 in industry payments from 2018 to 2020

CMS Open Payments shows 4 general payments to Dr. Greising from 4 drug and device companies from 2018 to 2020. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $22.

General payments to Dr. Greising by program year, 2018 to 2020

Companies that paid Dr. Greising the most, 2018 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Greising

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

Sources for Dr. Joanne Grace Santos Greising'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 Data
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)
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 Dr. Joanne Grace Santos Greising

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

What is Dr. Joanne Grace Santos Greising's NPI number?

Dr. Joanne Grace Santos Greising's NPI number is 1043748874. It was assigned on May 24, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Joanne Grace Santos Greising?

Dr. Joanne Grace Santos Greising is an internist in Marquette, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Joanne Grace Santos Greising practice?

Dr. Greising practices at 850 W Baraga Ave, Marquette, MI 49855. Dr. Greising's primary practice is UP Health System - Marquette in Marquette, Michigan, part of Lifepoint Health. Dmand AI also links Dr. Greising to 1 hospital.

What is Dr. Joanne Grace Santos Greising's office phone number?

The practice phone on file for Dr. Greising is (906) 228-9440.

What is Dr. Joanne Grace Santos Greising's medical license number?

Dr. Greising holds Ohio license 35.139850.

Which hospitals is Dr. Joanne Grace Santos Greising affiliated with?

Dr. Greising practices at UP Health System - Marquette in Marquette, Michigan. Dmand AI links Dr. Greising to 1 more hospital.

Does Dr. Joanne Grace Santos Greising accept Medicare?

Yes. CMS data shows Dr. Greising billed Medicare for 124 services in 2023.

What services does Dr. Joanne Grace Santos Greising bill to Medicare?

In 2023, Dr. Greising's most billed Medicare services were hospital inpatient care (99231), office visit, established patient (99213) and office visit, established patient (99214).

What drugs does Dr. Joanne Grace Santos Greising prescribe most?

In 2023 Medicare Part D data, Dr. Greising's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Eliquis.

Has Dr. Joanne Grace Santos Greising received payments from drug or device companies?

CMS Open Payments shows $61 in general payments to Dr. Greising from 4 companies from 2018 to 2020. The largest total came from Astellas Pharma US Inc.

How long has Dr. Joanne Grace Santos Greising been practicing?

Dr. Greising graduated from medical school in 2009, 17 years ago.

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