NPPES file of Aug 9, 2026

Kaitlin M. Mossberg, PA-C

Physician Assistant · Longmont, CO

Kaitlin M. Mossberg, PA-C is a physician assistant with a practice address in Longmont, Colorado, and NPI 1639574924, issued on Oct 29, 2014. Check the license (Colorado PA.0004663, 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
1639574924
Name
Kaitlin M. Mossberg
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
PA.0004663 CO
1864 NE
Self-reported in NPPES; status is on the state search
Practice location
1925 Mountain View Ave, Longmont, CO 80501
Phone
(303) 776-1234
Enumerated
Oct 29, 2014
Record last updated
Aug 1, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(720) 494-3107
Medicaid ID
65300050 CO
Medicare enrollment
Enrolled (PECOS I20160722000520); 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 1925 Mountain View Ave

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

  1. Kyrie Anderson, NPWomen's Health Nurse Practitioner1710516372
  2. Peter Bachmann, MDDermatology Physician1992702161
  3. Katrina Bailey, PA-CPhysician Assistant1518177096
  4. Lauren Baloy, APRNNurse Practitioner1871000638
  5. Jill BayouthRegistered Dietetic Technician1992180939
  6. Jessica Birch, MDOtolaryngology Physician1578976627

Verify Kaitlin M. Mossberg 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 PA.0004663
    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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3.6 times the Medicare Part D claims of the average physician assistant in 2024

3,023 Medicare Part D claims for 416 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Kaitlin Mossberg3,023
  2. Specialty average830

Most prescribed

  1. Metoprolol Succinate297 claims
  2. Atorvastatin Calcium294 claims
  3. Metoprolol Tartrate201 claims
  4. Rosuvastatin Calcium184 claims
  5. Eliquis166 claims
  6. Amlodipine Besylate152 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.

  1. Qualityout of 100 · 30% of the final score86.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $211.53

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kaitlin Mossberg$211.53
  2. Specialty average$841.65

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. Poudre Valley Medical Group LLCFirestone, CO

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

Kaitlin M. Mossberg among 3,767 physician assistant records in Colorado

Kaitlin M. Mossberg, PA-C 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 2014, is newer than 44% of them.

  • NPI issued2014 · 44% of these records are older, 53% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2014 · median 2017 among the 2,351 with a school on file
  • Record last updated2016 · 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.

The 8 physician assistant records with the nearest ZIP codes

  1. Michael Beer, PALongmont, CO 805011124096839
  2. Marc HolbertLongmont, CO 805011346299989
  3. Sharon Kloepfer, PALongmont, CO 805011114924263
  4. Mark Malone, PALongmont, CO 805011164456984
  5. Claudia Martin-Williams, PA-CLongmont, CO 805011235191503
  6. Elizabeth Moran, P.A.Longmont, CO 805011174508279
  7. Daniel Norton, PALongmont, CO 805011245216381
  8. Ryan Ritchhart, PA-CLongmont, CO 805011053314310

Common questions

What is Kaitlin M. Mossberg, PA-C's NPI number?

Kaitlin M. Mossberg, PA-C's National Provider Identifier (NPI) is 1639574924, issued on Oct 29, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Kaitlin M. Mossberg, PA-C located?

The NPPES record lists a practice address at 1925 Mountain View Ave, Longmont, CO, 80501. Phone: (303) 776-1234. Providers update this record themselves, so call before visiting.

How can I verify Kaitlin M. Mossberg, PA-C's license?

NPPES lists Colorado license number PA.0004663, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Kaitlin M. Mossberg, PA-C prescribe under Medicare Part D?

In 2024, Kaitlin M. Mossberg, PA-C had 3,023 Medicare Part D claims for 416 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Kaitlin M. Mossberg, PA-C'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.