Megan Karolyn Marshalla, MD
Gynecologic Oncology Physician · Oklahoma City, OK
Megan Karolyn Marshalla, MD is a gynecologic oncology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1013530179, issued on May 24, 2020. Check the license (Oklahoma AP98655226, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Megan Karolyn Marshalla
- Credential
- MD
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License numbers
- AP98655226 OK
125.076114 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 NE 10TH St, Oklahoma City, OK 73104
- Phone
- (405) 271-7770
- Enumerated
- May 24, 2020
- Record last updated
- Jun 18, 2024
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 24 in Oklahoma → Look up another NPI →
Also registered at 800 NE 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Megan Karolyn Marshalla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license AP98655226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
16 Medicare Part D claims for 15 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
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.
Megan Karolyn Marshalla among 24 gynecologic oncology physician records in Oklahoma
Megan Karolyn Marshalla, MD is one of 24 gynecologic oncology physician records with a practice address in Oklahoma. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Oklahoma
There are 24 gynecologic oncology physician records in Oklahoma.
All 24 in Oklahoma → Every provider in Oklahoma City → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Jacqueline Bohn, MDOklahoma City, OK 731041104357540
- Tara Castellano, MDOklahoma City, OK 731041831535418
- Aleia Crim, MDOklahoma City, OK 731041861789315
- Lauren Dockery, M.D.Oklahoma City, OK 731041912260373
- Grace Duininck, MDOklahoma City, OK 731041205327368
- Alexander FifeOklahoma City, OK 731041568921609
- Robert Mannel, MDOklahoma City, OK 731041568430007
- Nicole Minalt, MDOklahoma City, OK 731041578025433
Common questions
What is Megan Karolyn Marshalla, MD's NPI number?
Megan Karolyn Marshalla, MD's National Provider Identifier (NPI) is 1013530179, issued on May 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Megan Karolyn Marshalla, MD located?
The NPPES record lists a practice address at 800 NE 10TH St, Oklahoma City, OK, 73104. Phone: (405) 271-7770. Providers update this record themselves, so call before visiting.
How can I verify Megan Karolyn Marshalla, MD's license?
NPPES lists Oklahoma license number AP98655226, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Megan Karolyn Marshalla, MD prescribe under Medicare Part D?
In 2024, Megan Karolyn Marshalla, MD had 16 Medicare Part D claims for 15 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.