Dr. Christa Margaret Croff, DO
- Part D claims, 2024
- 251
- Hospital affiliations
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1923 South Utica Avenue, Tulsa, OK 74104
- Practice phone
- Call (918) 744-2296
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Croff'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. Christa Margaret Croff is an internist in Tulsa, Oklahoma
Dr. Croff practices at Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance.
Dr. Croff's NPI, 1851033500, was assigned on April 12, 2022. Dr. Croff holds Oklahoma license 8862.
- NPI
- 1851033500NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658751706
- NPI enumeration date
- April 12, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (918) 744-2296
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christa Margaret Croff practices at Ascension St. John Medical Center in Tulsa, Oklahoma
Dr. Croff's primary practice is Ascension St. John Medical Center, at 1923 South Utica Avenue, Tulsa, OK 74104 in Tulsa County. The practice phone is (918) 744-2296.
- Ascension St. John Medical Center1923 South Utica Avenue, Tulsa, OK 74104 · Tulsa CountyPhone(918) 744-2296
Source: Dmand AI Affiliation Data
Dr. Christa Margaret Croff is affiliated with 3 sites of care and 1 medical group
Dr. Croff's primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dr. Croff is also affiliated with Ascension St. John Jane Phillips Medical Center. The medical group on file is US Acute Care Solutions (USACS). Dmand AI also links Dr. Croff to 1 more urgent care center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christa Margaret Croff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Croff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. John Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christa Margaret Croff is one of 1,018 internists in Oklahoma
Internal medicine is Dr. Croff's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Croff is licensed in Oklahoma.
Specialties and state licenses
- Internal medicine, OklahomaPrimary
Internists near Dr. Croff
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. Christa Margaret Croff's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Croff's median patient age at 69, with 52% women.
Dr. Croff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Christa Margaret Croff wrote 251 Medicare Part D claims in 2024
In 2024, Dr. Croff wrote 251 Medicare Part D claims for 61 patients. 88% of them were for generic drugs. CMS names the drug for 68 of them, across 5 drugs with 11 or more claims each, at $422 in total drug cost.
Dr. Croff's Part D claims by kind of drug, 2024
- Generic220 claims88%
- Brand-name and other31 claims12%
Dr. Croff'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. Croff's Part D claims, 2024
- Antibiotics5%13 of 251 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Christa Margaret Croff takes part in Medicare
Dr. Croff 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Christa Margaret Croff'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Christa Margaret Croff
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. Christa Margaret Croff's NPI number?
Dr. Christa Margaret Croff's NPI number is 1851033500. It was assigned on April 12, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Christa Margaret Croff?
Dr. Christa Margaret Croff is an internist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christa Margaret Croff practice?
Dr. Croff practices at 1923 South Utica Avenue, Tulsa, OK 74104. Dr. Croff's primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dmand AI also links Dr. Croff to 1 urgent care center.
What is Dr. Christa Margaret Croff's office phone number?
The practice phone on file for Dr. Croff is (918) 744-2296.
What is Dr. Christa Margaret Croff's medical license number?
Dr. Croff holds Oklahoma license 8862.
Which hospitals is Dr. Christa Margaret Croff affiliated with?
Dr. Croff practices at Ascension St. John Medical Center in Tulsa, Oklahoma. Dr. Croff is also affiliated with Ascension St. John Jane Phillips Medical Center.
What medical group is Dr. Christa Margaret Croff part of?
Dr. Croff is linked to US Acute Care Solutions (USACS).
Does Dr. Christa Margaret Croff accept Medicare?
Yes. CMS lists Dr. Croff as accepting Medicare assignment.
What drugs does Dr. Christa Margaret Croff prescribe most?
In 2024 Medicare Part D data, Dr. Croff's most prescribed drugs by claims were Amlodipine Besylate, Pantoprazole Sodium and Omeprazole.
How long has Dr. Christa Margaret Croff been practicing?
Dr. Croff graduated from medical school in 2022, 4 years ago.
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