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 832 among the 95,030 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, mostly food and beverage; the largest payer was Genzyme Corporation. The 61,144 providers of this specialty with any payment received $853.85 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.
One hospital or facility affiliation
- Monica Perlman MD IncCarlsbad, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
39 physician assistant records list a Carlsbad practice address
They are 39 of the 3,411 NPPES records with a Carlsbad practice address, and 13,861 physician assistant records in California.
All 39 in Carlsbad → All 13,861 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
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
- Fatimeh Abdallah, P.A.-CNewport Beach, CA1487002218
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 832. 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.