Caitlin Coleen Walker, MD
Obstetrics & Gynecology Physician · Chandler, AZ
Caitlin Coleen Walker, MD is an obstetrics & gynecology physician with a practice address in Chandler, Arizona, and NPI 1225534761, issued on Apr 3, 2018. Check the license (Arizona 66035, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Caitlin Coleen Walker
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 66035 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 655 S Dobson RD, Chandler, AZ 85224
- Phone
- (480) 459-2555
- Enumerated
- Apr 3, 2018
- Record last updated
- Aug 22, 2022
- Fax
- (480) 687-1802
- Medicare enrollment
- Enrolled (PECOS I20220428002480); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2018
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →
Also registered at 655 S Dobson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Adams, DOObstetrics & Gynecology Physician1285607333
- Brian Allmendinger, DDSPediatric Dentistry1043294424
- Miriam Arce, M.D.Internal Medicine Physician1417004433
- Patricia AultPhysical Therapist1124404157
- Mara Baier, D.O.Family Medicine Physician1407811797
- Sandra Bebak, MDFamily Medicine Physician1437113636
Verify Caitlin Coleen Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 66035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
42 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol12 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.
Industry payments in 2024: $1,163.30
44 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, 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
- Lilac Healthcare LLCChandler, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin Coleen Walker among 803 obstetrics & gynecology physician records in Arizona
Caitlin Coleen Walker, MD 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 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2018 · median 2005 among the 477 with a school on file
- Record last updated2022 · 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 Chandler → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Julie Adams, DOChandler, AZ 852241285607333
- Ernestine Bustamante, M.D.Chandler, AZ 852241427030469
- Kudzai Dombo, M.D.Chandler, AZ 852241326010505
- Philip Ivey, M. D.Chandler, AZ 852241902801160
- Aristea Karabinas, MDChandler, AZ 852241487876884
- David Kells, M.D.Chandler, AZ 852241023009123
- Christine McClusky, DOChandler, AZ 852241770550527
- Paula McEachen, M.DChandler, AZ 852241174790646
Common questions
What is Caitlin Coleen Walker, MD's NPI number?
Caitlin Coleen Walker, MD's National Provider Identifier (NPI) is 1225534761, issued on Apr 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Coleen Walker, MD located?
The NPPES record lists a practice address at 655 S Dobson RD, Chandler, AZ, 85224. Phone: (480) 459-2555. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Coleen Walker, MD's license?
NPPES lists Arizona license number 66035, 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 Coleen Walker, MD prescribe under Medicare Part D?
In 2024, Caitlin Coleen Walker, MD had 42 Medicare Part D claims; 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.