Katherine A. Larkin, PA-C
Physician Assistant · Baltimore, MD
Katherine A. Larkin, PA-C is a physician assistant with a practice address in Baltimore, Maryland, and NPI 1568977502, issued on Dec 13, 2017. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine A. Larkin
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 5601 Loch Raven Blvd, Baltimore, MD 21239
- Phone
- (443) 444-4764
- Enumerated
- Dec 13, 2017
- Record last updated
- Dec 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 5601 Loch Raven Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine A. Larkin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland 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
42% fewer Medicare Part D claims than the average physician assistant in 2024
482 Medicare Part D claims for 120 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 41 claims were for opioids.
Most prescribed
- Atorvastatin Calcium38 claims
- Pantoprazole Sodium33 claims
- Oxycodone Hcl27 claims
- Gabapentin18 claims
- Furosemide16 claims
- Metoprolol Succinate16 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: $32.90
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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.
Katherine A. Larkin among 3,224 physician assistant records in Maryland
Katherine A. Larkin, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 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 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2017 · 46% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,135 physician assistant records list a practice address in Baltimore
They are 1,135 of the 35,183 NPPES records with a practice address in Baltimore, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Baltimore → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Daniel Backof, PA-CBaltimore, MD 212391750358503
- Avi Berstock, PABaltimore, MD 212391285671180
- Keith Burgess, PABaltimore, MD 212391558309062
- Kathryn Burroughs, PA-CBaltimore, MD 212391255360806
- Wei Chang, PA-CBaltimore, MD 212391649212275
- Pamela ChinBaltimore, MD 212391376602698
- Margaret Cicio, P.A.Baltimore, MD 212391699735035
- Matthias Goldstein, PA-CBaltimore, MD 212391144259797
Common questions
What is Katherine A. Larkin, PA-C's NPI number?
Katherine A. Larkin, PA-C's National Provider Identifier (NPI) is 1568977502, issued on Dec 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine A. Larkin, PA-C located?
The NPPES record lists a practice address at 5601 Loch Raven Blvd, Baltimore, MD, 21239. Phone: (443) 444-4764. Providers update this record themselves, so call before visiting.
How can I verify Katherine A. Larkin, PA-C's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine A. Larkin, PA-C prescribe under Medicare Part D?
In 2024, Katherine A. Larkin, PA-C had 482 Medicare Part D claims for 120 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.