Crystal Marcum, APRN
Registered Nurse · Shawnee, OK
Crystal Marcum, APRN is a registered nurse with a practice address in Shawnee, Oklahoma, and NPI 1639573041, issued on Oct 14, 2014. Check the license with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Marcum
- Credential
- APRN
- Primary taxonomy
- Registered Nurse 163W00000X
- Practice location
- 781 Grand Casino Blvd, Shawnee, OK 74804
- Phone
- (405) 964-5770
- Enumerated
- Oct 14, 2014
- Entity
- Type 1 · individual
Also registered at 781 Grand Casino Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chantel AndrewsGeneral Practice Registered Nurse1518593656
- Jordan BensonPhysical Therapist1043025836
- Nicole BrownLicensed Practical Nurse1063978757
- Tami Bruno, RNRegistered Nurse1508661414
- Markie CarlockLicensed Practical Nurse1427515568
- Jeffery Cates, DPHPharmacist1548558828
Verify Crystal Marcum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.3 times the Medicare Part D claims of the average registered nurse in 2024
3,468 Medicare Part D claims for 130 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium234 claims
- Synthroid214 claims
- Amlodipine Besylate149 claims
- Rosuvastatin Calcium140 claims
- Lisinopril131 claims
- Ozempic130 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital or facility affiliation
- Citizen Potawatomi NationShawnee, OK
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
37 registered nurse records list a Shawnee practice address
They are 37 of the 1,175 NPPES records with a Shawnee practice address, and 1,837 registered nurse records in Oklahoma.
All 37 in Shawnee → All 1,837 in Oklahoma → Every provider in Shawnee →
Other registered nurse records in Oklahoma
- Jennifer Abad, BSN, RNTulsa, OK1770443657
- Jalelah Abdul-Raheem, RNOklahoma City, OK1902656598
- Melissa Abercrombie, DNP, APRN, PMHNP-BCNorman, OK1245111665
- Lillian Abunaw, RNOklahoma City, OK1811822935
- Lydia Achiri-NdalleOklahoma City, OK1356026629
- Anitra AdamsLawton, OK1417660390
- Keri Adams, CRNAOklahoma City, OK1851025712
- Kristen Adams, APRN-CNPTahlequah, OK1356842140
- Angela AdkinsLexington, OK1043784275
- Kristi Adkins, APRNMidwest City, OK1407417447
Common questions
What is Crystal Marcum, APRN's NPI number?
Crystal Marcum, APRN's National Provider Identifier (NPI) is 1639573041, issued on Oct 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Marcum, APRN located?
The NPPES record lists a practice address at 781 Grand Casino Blvd, Shawnee, OK, 74804. Phone: (405) 964-5770. Providers update this record themselves, so call before visiting.
How can I verify Crystal Marcum, APRN's license?
Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Marcum, APRN prescribe under Medicare Part D?
In 2024, Crystal Marcum, APRN had 3,468 Medicare Part D claims for 130 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.