Katherine Drilling, PA-C
Physician Assistant · Carlsbad, CA
Katherine Drilling, PA-C is a physician assistant with a practice address in Carlsbad, California, and NPI 1083349997, issued on Jul 24, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Drilling
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1905 Calle Barcelona Ste 211, Carlsbad, CA 92009
- Phone
- (858) 799-0933
- Enumerated
- Jul 24, 2022
- Entity
- Type 1 · individual
Also registered at 1905 Calle Barcelona Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kylie BobertzPhysician Assistant1235838665
- Evelyn Evans, PA-C, MSPhysician Assistant1801416839
- Maysa Nagi, MDFamily Medicine Physician1497794655
Verify Katherine Drilling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
66% more Medicare Part D claims than the average physician assistant in 2024
1,381 Medicare Part D claims for 339 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium61 claims
- Amlodipine Besylate51 claims
- Rosuvastatin Calcium49 claims
- Escitalopram Oxalate44 claims
- Levothyroxine Sodium44 claims
- Losartan Potassium41 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: $330.68
13 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
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
- Monica Perlman MD IncCarlsbad, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
40 physician assistant records list a practice address in Carlsbad
They are 40 of the 3,411 NPPES records with a practice address in Carlsbad, and 14,451 physician assistant records in California.
All 40 in Carlsbad → All 14,451 in California → Every provider in Carlsbad →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Katherine Drilling, PA-C's NPI number?
Katherine Drilling, PA-C's National Provider Identifier (NPI) is 1083349997, issued on Jul 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Drilling, PA-C located?
The NPPES record lists a practice address at 1905 Calle Barcelona Ste 211, Carlsbad, CA, 92009. Phone: (858) 799-0933. Providers update this record themselves, so call before visiting.
How can I verify Katherine Drilling, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Drilling, PA-C prescribe under Medicare Part D?
In 2024, Katherine Drilling, PA-C had 1,381 Medicare Part D claims for 339 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.