Paul D. Koelliker, M.D.
Emergency Medicine Physician · Parker, AZ
Paul D. Koelliker, M.D. is an emergency medicine physician with a practice address in Parker, Arizona, and NPI 1417921453, issued on Feb 15, 2006. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Paul D. Koelliker
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 2001-235 NM
Self-reported in NPPES; status is on the state search - Practice location
- 12033 Agency RD, Parker, AZ 85344
- Phone
- (928) 669-3353
- Enumerated
- Feb 15, 2006
- Record last updated
- Jun 8, 2026
- Fax
- (928) 669-3131
- Medicaid IDs
- 53052561 NM
247453 AZ - Medicare enrollment
- Enrolled (PECOS I20250702000682); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 12033 Agency RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diane Adams, DOInternal Medicine Physician1073520474
- Sheila AdamsRegistered Nurse1336537620
- Folaremi Adeyemo, PHARMDPharmacist1093363020
- Cynthia AitkenRegistered Nurse1184176687
- Joanne Ajero-Ehlers, RNRegistered Nurse1912110420
- Ezzaddin Al Wahsh, M.D.Hospitalist Physician1033525456
Verify Paul D. Koelliker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average emergency medicine physician in 2024
22 Medicare Part D claims for 15 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through 2 group practices
- Dhhs Phs Naihs Crownpoint HospitalCrownpoint, NM
- Telluride Medical CenterTelluride, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul D. Koelliker among 1,494 emergency medicine physician records in Arizona
Paul D. Koelliker, M.D. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1996 · median 2014 among the 828 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 emergency medicine physician records list a practice address in Parker
They are 14 of the 352 NPPES records with a practice address in Parker, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Parker → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Subba Alapati, M.D.Parker, AZ 853441487642039
- David ElkinParker, AZ 853441891291506
- Eric HassaniParker, AZ 853441205332889
- Paul Hladon, MDParker, AZ 853441326090796
- Sean LarsenParker, AZ 853441548647472
- Christina Lee, M.D.Parker, AZ 853441992832398
- Mallika Manyapu, MD, MPHParker, AZ 853441053872523
- Joseph Proctor, D.O.Parker, AZ 853441790707172
Common questions
What is Paul D. Koelliker, M.D.'s NPI number?
Paul D. Koelliker, M.D.'s National Provider Identifier (NPI) is 1417921453, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul D. Koelliker, M.D. located?
The NPPES record lists a practice address at 12033 Agency RD, Parker, AZ, 85344. Phone: (928) 669-3353. Providers update this record themselves, so call before visiting.
How can I verify Paul D. Koelliker, M.D.'s license?
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 Paul D. Koelliker, M.D. prescribe under Medicare Part D?
In 2024, Paul D. Koelliker, M.D. had 22 Medicare Part D claims for 15 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.