NPPES file of Aug 9, 2026

Oliver Philipp Loeffler, M.D.

Family Medicine Physician · Aurora, CO

Oliver Philipp Loeffler, M.D. is a family medicine physician with a practice address in Aurora, Colorado, and NPI 1336434059, issued on Jun 10, 2011. Check the license (Colorado DR.0056374, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336434059
Name
Oliver Philipp Loeffler
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
DR.0056374 CO
33522 SC
Self-reported in NPPES; status is on the state search
Practice location
14701 E Exposition Ave, Aurora, CO 80012
Phone
(303) 338-4545
Enumerated
Jun 10, 2011
Record last updated
May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
63780101 CO
Medicare enrollment
Enrolled (PECOS I20160606000962); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14701 E Exposition Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Douglas Altschuler, DOInternal Medicine Physician1770542177
  2. Chiraag Alur, MDFamily Medicine Physician1609368281
  3. Karen Anderson, MDInternal Medicine Physician1336276377
  4. Diane Angel, RNRegistered Nurse1457830614
  5. Shannon Archabal Lee, MDFamily Medicine Physician1568826857
  6. Dena ArvanitisGeneral Practice Registered Nurse1215791678

Verify Oliver Philipp Loeffler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0056374
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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92% fewer Medicare Part D claims than the average family medicine physician in 2024

277 Medicare Part D claims for 229 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Oliver Loeffler277
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass34 claims
  2. Cefuroxime33 claims
  3. Ondansetron Odt21 claims
  4. Prednisone21 claims
  5. Doxycycline Monohydrate12 claims
  6. Nitrofurantoin Mono-Macro12 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 one group practice

  1. Colorado Permanente Medical Group PCDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Oliver Philipp Loeffler among 3,563 family medicine physician records in Colorado

Oliver Philipp Loeffler, M.D. is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.

  • NPI issued2011 · 67% of these records are older, 31% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2010 · median 2008 among the 2,077 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

220 family medicine physician records list a practice address in Aurora

They are 220 of the 17,400 NPPES records with a practice address in Aurora, and 3,563 family medicine physician records in Colorado.

The 8 family medicine physician records with the nearest ZIP codes

  1. Samuel Cloud, MDAurora, CO 800121720071491
  2. Howard Corren, MDAurora, CO 800121114994696
  3. Eric Groce, D.O.Aurora, CO 800121295723674
  4. Martin Hannemann, M.D.Aurora, CO 800121750382263
  5. Stephen HeinzAurora, CO 800121114900784
  6. Julia Jung, M.D.Aurora, CO 800121366403297
  7. Dena Lichfield, D.O.Aurora, CO 800121952375545
  8. Quinn Lichfield, D.O.Aurora, CO 800121770557357

Common questions

What is Oliver Philipp Loeffler, M.D.'s NPI number?

Oliver Philipp Loeffler, M.D.'s National Provider Identifier (NPI) is 1336434059, issued on Jun 10, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Oliver Philipp Loeffler, M.D. located?

The NPPES record lists a practice address at 14701 E Exposition Ave, Aurora, CO, 80012. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.

How can I verify Oliver Philipp Loeffler, M.D.'s license?

NPPES lists Colorado license number DR.0056374, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Oliver Philipp Loeffler, M.D. prescribe under Medicare Part D?

In 2024, Oliver Philipp Loeffler, M.D. had 277 Medicare Part D claims for 229 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.