Carlyle Peters Hamsher, M.D.

NPI 1619268893ActiveIndividual· Anesthesiology, Pain Medicine· San Francisco, CA

Anesthesiology, Pain Medicine (M.D.) in San Francisco, California, trained at Georgetown University School of Medicine (class of 2011). 174 Medicare patients in 2024, $48,073 paid; all of their 252 Part D prescriptions were generic. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $2,226 in all, mostly travel and lodging.

Overview

NPI	1619268893
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Apr 22, 2011
Last updated in NPPES	Oct 28, 2026
Certified by provider	Oct 28, 2026

Specialties and licenses

Taxonomy	Code	License	State
Anesthesiology, Pain Medicine Primary	207LP2900X	2018-00025	NC
Anesthesiology	207L00000X	262242	MA
Anesthesiology	207L00000X	144808	CA
Student in an Organized Health Care Education/Training Program	390200000X	—	—

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Interventional Pain Management (NC)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	174
Services billed	690 across 52 procedure codes
Paid by Medicare	$48,073

Part D prescriptions in 2024

Prescriptions (claims)	252 · 297 30-day fills
Patients	92
Total drug cost	$10,864
Generic share	100% of claims

Medicare sources and data years

Education and affiliations

Medical school	Georgetown University School of Medicine
Graduation year	2011
Medicare specialty	Interventional Pain Management
Secondary specialties	Anesthesiology