Caitlin Marie Marshall, DO, MPH
Obstetrics & Gynecology Physician · Flagstaff, AZ
Caitlin Marie Marshall, DO, MPH is an obstetrics & gynecology physician with a practice address in Flagstaff, Arizona, and NPI 1134707250, issued on Mar 30, 2021. Check the license (Arizona 011849, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Caitlin Marie Marshall
- Credential
- DO, MPH
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 011849 AZ
U7467 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1100 N San Francisco St Ste B, Flagstaff, AZ 86001
- Phone
- (928) 779-7851
- Enumerated
- Mar 30, 2021
- Record last updated
- Jul 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20250819002165); accepts Medicare assignment
- Medical or professional school
- Edward Via Col Of Osteo Medicine-Virginia Campus, 2021
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →
Also registered at 1100 N San Francisco St Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tara BrzezinskiPhysician Assistant1124732623
- Brian Lindstrom, MDObstetrics & Gynecology Physician1639157860
- Rebecca Maslar, WHNP-BCWomen's Health Nurse Practitioner1386323095
- Audrey Roberts, MDObstetrics & Gynecology Physician1073953238
Verify Caitlin Marie Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 011849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
36 Medicare Part D claims for 17 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $40.82
2 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Genesis OB Gyn PLLCFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin Marie Marshall among 803 obstetrics & gynecology physician records in Arizona
Caitlin Marie Marshall, DO, MPH is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2005 among the 477 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Arizona
There are 803 obstetrics & gynecology physician records in Arizona.
All 803 in Arizona → Every provider in Flagstaff → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Carmen Alfonso, D.O.Flagstaff, AZ 860011386872315
- Jennifer Graff, MDFlagstaff, AZ 860011114108347
- Richard Johansen, MDFlagstaff, AZ 860011144213596
- Brian Lindstrom, MDFlagstaff, AZ 860011639157860
- Patrice Moore, MDFlagstaff, AZ 860011447394697
- Laurie Perrin, MDFlagstaff, AZ 860011912990367
- Audrey Roberts, MDFlagstaff, AZ 860011073953238
- Chia-Lien Wang, M.D.Flagstaff, AZ 860011689641656
Common questions
What is Caitlin Marie Marshall, DO, MPH's NPI number?
Caitlin Marie Marshall, DO, MPH's National Provider Identifier (NPI) is 1134707250, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Marie Marshall, DO, MPH located?
The NPPES record lists a practice address at 1100 N San Francisco St Ste B, Flagstaff, AZ, 86001. Phone: (928) 779-7851. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Marie Marshall, DO, MPH's license?
NPPES lists Arizona license number 011849, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Caitlin Marie Marshall, DO, MPH prescribe under Medicare Part D?
In 2024, Caitlin Marie Marshall, DO, MPH had 36 Medicare Part D claims for 17 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.