NPPES file of Aug 9, 2026

Michael G. Layfield, PA-C

Medical Physician Assistant · Aurora, CO

Michael G. Layfield, PA-C is a medical physician assistant with a practice address in Aurora, Colorado, and NPI 1124157250, issued on Mar 5, 2007. Check the license (Colorado 1844, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124157250
Name
Michael G. Layfield
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
1844 CO
Self-reported in NPPES; status is on the state search
Practice location
1300 S Potomac St Ste 104, Aurora, CO 80012
Phone
(303) 671-5553
Enumerated
Mar 5, 2007
Record last updated
Jun 5, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(303) 671-2790
Medicaid ID
84286318 CO
Medicare enrollment
Enrolled (PECOS I20050513000558); 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 1300 S Potomac St Ste 104

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

  1. Richard Fieman, M.D.Gastroenterology Physician1548297666
  2. Asif Husain, MDGastroenterology Physician1578591160
  3. Anthony Madrid, M.D.Gastroenterology Physician1134154313
  4. Richard Rein, M.D.Gastroenterology Physician1053349035

Verify Michael G. Layfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 1844
    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
Find 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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39% fewer Medicare Part D claims than the average medical physician assistant in 2024

705 Medicare Part D claims for 177 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Michael Layfield705
  2. Specialty average1,148

Most prescribed

  1. Omeprazole117 claims
  2. Pantoprazole Sodium86 claims
  3. Mesalamine41 claims
  4. Lansoprazole36 claims
  5. Stelara33 claims
  6. Linzess31 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 54.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score61.9
  2. Costout of 100 · 30%68.7
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,964.09

85 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Layfield$1,964.09
  2. Specialty average$1,055.00

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

  1. Rocky Mountain Gastroenterology Associates, PLLCThornton, CO

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

Michael G. Layfield among 1,308 medical physician assistant records in Colorado

Michael G. Layfield, PA-C is one of 1,308 medical physician assistant records with a practice address in Colorado. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.

  • NPI issued2007 · 21% of these records are older, 69% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2003 · median 2014 among the 727 with a school on file
  • Record last updated2013 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

417 medical physician assistant records list a practice address in Aurora

They are 417 of the 17,400 NPPES records with a practice address in Aurora, and 1,308 medical physician assistant records in Colorado.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Patti Defilipps Galleher, PA-CAurora, CO 800121730331927
  2. Zachary Goren, PA-CAurora, CO 800121902248255
  3. Courtney Haven, PAAurora, CO 800121760972228
  4. Gabriel Hollist, PA-CAurora, CO 800121568977247
  5. Maria Kaplan, PAAurora, CO 800121508302506
  6. Manpreet Kaur, RPA-CAurora, CO 800121245444124
  7. Andrew McMaster, PA-CAurora, CO 800121528466703
  8. Sarah Remington, PA-CAurora, CO 800121306113550

Common questions

What is Michael G. Layfield, PA-C's NPI number?

Michael G. Layfield, PA-C's National Provider Identifier (NPI) is 1124157250, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michael G. Layfield, PA-C located?

The NPPES record lists a practice address at 1300 S Potomac St Ste 104, Aurora, CO, 80012. Phone: (303) 671-5553. Providers update this record themselves, so call before visiting.

How can I verify Michael G. Layfield, PA-C's license?

NPPES lists Colorado license number 1844, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Michael G. Layfield, PA-C prescribe under Medicare Part D?

In 2024, Michael G. Layfield, PA-C had 705 Medicare Part D claims for 177 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Michael G. Layfield, PA-C's MIPS final score?

The 2023 MIPS final score is 54.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.