David A. Merin
Physician Assistant · Longmont, CO
David A. Merin is a physician assistant with a practice address in Longmont, Colorado, and NPI 1053742213, issued on Dec 12, 2013. Check the license (Colorado PA.0003857, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David A. Merin
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA.0003857 CO
5610 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1950 Mountain View Ave, Longmont, CO 80501
- Phone
- (303) 651-5000
- Enumerated
- Dec 12, 2013
- Record last updated
- May 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicaid ID
- 64305546 CO
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 1950 Mountain View Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Constance Carroll, P.T.Physical Therapist1609075506
- Katherine Caufield, LCSWClinical Social Worker1518217504
- Lindsey Cesca, M.D.Emergency Medicine Physician1417391301
Verify David A. Merin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PA.0003857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
156 Medicare Part D claims for 106 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Cephalexin29 claims
- Oxycodone Hcl17 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
David A. Merin among 3,767 physician assistant records in Colorado
David A. Merin is one of 3,767 physician assistant 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 2013, is newer than 41% of them.
- NPI issued2013 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
92 physician assistant records list a practice address in Longmont
They are 92 of the 2,381 NPPES records with a practice address in Longmont, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Longmont → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michael Beer, PALongmont, CO 805011124096839
- Marc HolbertLongmont, CO 805011346299989
- Sharon Kloepfer, PALongmont, CO 805011114924263
- Mark Malone, PALongmont, CO 805011164456984
- Claudia Martin-Williams, PA-CLongmont, CO 805011235191503
- Elizabeth Moran, P.A.Longmont, CO 805011174508279
- Daniel Norton, PALongmont, CO 805011245216381
- Ryan Ritchhart, PA-CLongmont, CO 805011053314310
Common questions
What is David A. Merin's NPI number?
David A. Merin's National Provider Identifier (NPI) is 1053742213, issued on Dec 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is David A. Merin located?
The NPPES record lists a practice address at 1950 Mountain View Ave, Longmont, CO, 80501. Phone: (303) 651-5000. Providers update this record themselves, so call before visiting.
How can I verify David A. Merin's license?
NPPES lists Colorado license number PA.0003857, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does David A. Merin prescribe under Medicare Part D?
In 2024, David A. Merin had 156 Medicare Part D claims for 106 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is David A. Merin's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.