NPPES file of Aug 9, 2026

Heather H. Lamb, PA-C

Physician Assistant · Mason City, IA

Heather H. Lamb, PA-C is a physician assistant with a practice address in Mason City, Iowa, and NPI 1174510838, issued on Sep 28, 2005. Check the license (Iowa 002304, as entered in NPPES) with the Iowa 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174510838
Name
Heather H. Lamb
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
002304 IA
1066424 TX
Self-reported in NPPES; status is on the state search
Practice location
1421 4TH St SW, Mason City, IA 50401
Phone
(641) 428-2080
Enumerated
Sep 28, 2005
Record last updated
Jul 15, 2025
Fax
(641) 428-5150
Medicare enrollment
Enrolled (PECOS I20121108000249); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2004
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 1421 4TH St SW

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

  1. James Karkos, MDDermatology Physician1659475382
  2. Kimberly Larson, ARNPFamily Medicine Physician1689680183
  3. Yen Chen Liu, MDDermatology Physician1316269160
  4. Carrissa Riggs, PAPhysician Assistant1750913406
  5. Laura Thorson, PAPhysician Assistant1801459730
  6. Claire Williams, PAPhysician Assistant1629719737

Verify Heather H. Lamb in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 002304
    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 Iowa license search

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62% fewer Medicare Part D claims than the average physician assistant in 2024

314 Medicare Part D claims for 143 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Heather Lamb314
  2. Specialty average830

Most prescribed

  1. Triamcinolone Acetonide57 claims
  2. Metronidazole49 claims
  3. Clobetasol Propionate32 claims
  4. Spironolactone27 claims
  5. Doxycycline Hyclate25 claims
  6. Doxycycline Monohydrate16 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.

Industry payments in 2024: $39.70

2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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. Heather Lamb$39.70
  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. North Iowa Mercy ClinicsMason City, IA

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

34 physician assistant records list a practice address in Mason City

They are 34 of the 866 NPPES records with a practice address in Mason City, and 1,525 physician assistant records in Iowa.

Other physician assistant records in Iowa

  1. Fady AbawiDavenport, IA1861379224
  2. Steven AbdoCoralville, IA1780375576
  3. Leah Abebe, PACouncil Bluffs, IA1053941591
  4. Timothy Ackarman, PAForest City, IA1447368170
  5. Parker Acree, PA-CIowa City, IA1760251540
  6. Grace Adam, PA-CIowa City, IA1962150227
  7. Grace Adsem, PA-CAnkeny, IA1487456653
  8. Alexis Ahlberg, PA-CCedar Rapids, IA1396330288
  9. Madisen Ahlstrom, PA-CDavenport, IA1255021770
  10. Karen Ajram, PAIowa City, IA1598754442

Common questions

What is Heather H. Lamb, PA-C's NPI number?

Heather H. Lamb, PA-C's National Provider Identifier (NPI) is 1174510838, issued on Sep 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Heather H. Lamb, PA-C located?

The NPPES record lists a practice address at 1421 4TH St SW, Mason City, IA, 50401. Phone: (641) 428-2080. Providers update this record themselves, so call before visiting.

How can I verify Heather H. Lamb, PA-C's license?

NPPES lists Iowa license number 002304, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Heather H. Lamb, PA-C prescribe under Medicare Part D?

In 2024, Heather H. Lamb, PA-C had 314 Medicare Part D claims for 143 beneficiaries; the average among physician assistant prescribers was 830. 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.