Dr. Cristina Greulich, MD
- Medicare services, 2024
- 757
- Medicare patients, 2024
- 141
- Part D claims, 2024
- 474
- Hospital affiliations
- 3
- Medical group
- 1
- Practice address
- 3601 W Thirteen Mile Rd, Royal Oak, MI 48073
- Practice phone
- Call (248) 898-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Greulich's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Cristina Greulich is a hospitalist in Royal Oak, Michigan
Dr. Greulich practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health.
Dr. Greulich's NPI, 1144559378, was assigned on December 17, 2009. Dr. Greulich holds Michigan license 4301095804.
- NPI
- 1144559378NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810182839
- NPI enumeration date
- December 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 898-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cristina Greulich practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan
Dr. Greulich's primary practice is Corewell Health William Beaumont University Hospital, at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073 in Oakland County. The practice phone is (248) 898-5400.
- Corewell Health William Beaumont University Hospital3601 W Thirteen Mile Rd, Royal Oak, MI 48073 · Oakland CountyPhone(248) 898-5400
Source: Dmand AI Affiliation Data
Dr. Cristina Greulich is affiliated with 3 sites of care and 1 medical group
Dr. Greulich's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dr. Greulich is also affiliated with Corewell Health Beaumont Troy Hospital. The medical group on file is Hospital Consultants PC. Dmand AI also links Dr. Greulich to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cristina Greulich's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greulich practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health William Beaumont University Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cristina Greulich is one of 256 hospitalists in Michigan
Hospitalist is Dr. Greulich's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Greulich's licenses on file in 2 states: Michigan and Illinois.
Specialties and state licenses
- Hospitalist, MichiganPrimary
- Internal medicine, Illinois
Hospitalists near Dr. Greulich
Counts of hospitalists 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. Cristina Greulich billed Medicare for 757 services in 2024
CMS data shows 757 Medicare services from Dr. Greulich across 7 procedure codes in 2024, for 141 Medicare patients. Medicare paid $59,553 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Greulich's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8292024: 7579%
Dr. Greulich compared with the Michigan median for hospitalists, 2024
- Dr. Greulich
- Michigan median
- Medicare services
- 757vs 3702.0 times
- Medicare patients
- 141vs 17017% below
- Part D claims
- 204vs 702.9 times
Medians across 243 hospitalists in Michigan with Dmand AI profiles that report each measure.
Dr. Greulich's most billed Medicare procedure codes, 2024
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. Cristina Greulich treated 141 Medicare patients in 2024, average age 79
CMS counts 141 Medicare patients who saw Dr. Greulich in 2024. The largest group is 75 to 84, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Greulich's median patient age at 75, with 57% women.
Dr. Greulich's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Greulich's Medicare patients by sex, 2024
- Women8258%
- Men5942%
Chronic conditions among Dr. Greulich's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease63%
- Arthritis62%
- Chronic kidney disease58%
- Anxiety48%
- Depression48%
- Heart failure48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greulich's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cristina Greulich wrote 474 Medicare Part D claims in 2024
In 2024, Dr. Greulich wrote 474 Medicare Part D claims for 137 patients. 89% of them were for generic drugs. CMS names the drug for 204 of them, across 11 drugs with 11 or more claims each, at $11,707 in total drug cost. In 2023, CMS named 125 claims across 9 drugs.
Dr. Greulich's Part D claims by kind of drug, 2024
- Generic424 claims89%
- Brand-name50 claims11%
Dr. Greulich's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Greulich's Part D claims, 2024
- Opioids5%23 of 474 claims
- Antibiotics7%33 of 474 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1252024: 20463%
Drugs named by CMS: 11 in 2024, 9 in 2023.
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
How Dr. Cristina Greulich takes part in Medicare
Dr. Greulich accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Cristina Greulich's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Cristina Greulich
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. Cristina Greulich's NPI number?
Dr. Cristina Greulich's NPI number is 1144559378. It was assigned on December 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Cristina Greulich?
Dr. Cristina Greulich is a hospitalist in Royal Oak, Michigan. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Cristina Greulich practice?
Dr. Greulich practices at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073. Dr. Greulich's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dmand AI also links Dr. Greulich to 1 hospital.
What is Dr. Cristina Greulich's office phone number?
The practice phone on file for Dr. Greulich is (248) 898-5400.
What is Dr. Cristina Greulich's medical license number?
Dr. Greulich holds Michigan license 4301095804, one of the licenses on file in 2 states.
Which states has Dr. Cristina Greulich been licensed in?
Dmand AI has state licenses on file for Dr. Greulich in Michigan and Illinois.
Which hospitals is Dr. Cristina Greulich affiliated with?
Dr. Greulich practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan. Dr. Greulich is also affiliated with Corewell Health Beaumont Troy Hospital. Dmand AI links Dr. Greulich to 1 more hospital.
What medical group is Dr. Cristina Greulich part of?
Dr. Greulich is linked to Hospital Consultants PC.
Does Dr. Cristina Greulich accept Medicare?
Yes. CMS data shows Dr. Greulich billed Medicare for 757 services in 2024, and Dr. Greulich accepts Medicare assignment.
How many Medicare patients does Dr. Cristina Greulich see?
CMS counts 141 Medicare patients who saw Dr. Greulich in 2024, with an average age of 79.
Show 3 more questionsShow fewer questions
What services does Dr. Cristina Greulich bill to Medicare?
In 2024, Dr. Greulich's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Cristina Greulich prescribe most?
In 2024 Medicare Part D data, Dr. Greulich's most prescribed drugs by claims were Carvedilol, Spironolactone and Furosemide.
How long has Dr. Cristina Greulich been practicing?
Dr. Greulich graduated from medical school in 1995, 31 years ago.
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