Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CARLYLE PETERS HAMSHER M.D.
NPI 1619268893
Anesthesiology - Pain Medicine in San Francisco, CA

Q: What is Carlyle Hamsher's NPI number?

The NPI number for Carlyle Hamsher is 1619268893. It was assigned to this individual provider in the NPPES registry on April 22, 2011. The provider is also known as Dr. Lyle Hamsher M.D..

Q: What is Carlyle Hamsher's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Q: When was this NPI record last updated?

The NPPES record for Carlyle Hamsher was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 22, 2011PECOS Enrolled

1001 POTRERO AVE, BUILDING 5, ROOM 3C-38, SAN FRANCISCO, CA 94110(415) 206-7325 Get Directions Write a Review

NPPES record last updated: October 28, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 28, 2026, Sep 1, 2016 (2 updates tracked since 2016).

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About Dr. Carlyle Peters Hamsher M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CARLYLE PETERS HAMSHER M.D. (NPI 1619268893) is an individual pain medicine provider in San Francisco, California, licensed in North Carolina (2018-00025) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with North Carolina Baptist Hospital, and maintains a secondary practice location in Mount Airy.

NPPES Registry Identity

NPI1619268893

Entity TypeIndividualMale

Primary Taxonomy207LP2900X

Provider Legal NameDR. CARLYLE PETERS HAMSHERCredential: M.D.

Location Address1001 POTRERO AVE, BUILDING 5, ROOM 3C-38San Francisco, CA 94110-3518

Mailing AddressMedical Center BlvdWinston Salem, NC 27157-0001 · (336) 716-2255 · Fax (336) 716-3202

Phone(415) 206-7325

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 2011

Enumeration DateApril 22, 2011

Last NPPES UpdateOctober 28, 20262 updates tracked since enumeration

NPPES CertifiedOctober 28, 2026

✔ NPI 1619268893 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

License✔ Licensed in NC · 2018-00025

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Also ListedAnesthesiologyTaxonomy 207L00000X · License 262242 (MA), 144808 (CA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1001 POTRERO AVE, San Francisco, CA 94110

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Other Names 1

Other Name (5)Dr. Lyle Hamsher M.d.

Secondary Practice Location 1

Location 1865 Westlake Dr Ste 200Mount Airy, NC 27030-2135 · Phone (336) 277-0220

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Carlyle Peters Hamsher M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294049722

PECOS Enrollment IDI20180308001481

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Carlyle Hamsher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wake Forest University Health Sciences

2,316 mi

Multi-Specialty

MEDICAL CENTER BLVD
Winston Salem, NC 27157

Reassigned Medicare billing, North Carolina enrollment
3,003 clinicians in this Medicare group

NPI 1003803032 (336) 716-2255

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

81 services57 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

54 services54 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

44 services36 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

30 services22 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

24 services13 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

21 services11 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

20 services14 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

20 services14 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

18 services11 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

18 services16 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

14 services12 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

13 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Carolina Baptist Hospital

Acute Care Hospitals · Winston-Salem, NC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340047

LocationMedical Center BoulevardWinston-Salem, NC 27157 · Forsyth County

Emergency services Birthing friendly

Lexington Memorial Hospital Inc

Acute Care Hospitals · Lexington, NC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340096

Location250 Hospital Drive PO Box 1817Lexington, NC 27293 · Davidson County

Emergency services

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ROCIO C AGRAZ-LARA RN, PHN

Registered Nurse

1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8524

DR. SUSAN WLODARCZYK MD

Student in an Organized Health Care Education/Training Program

1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5164

AMY DINER PSY.D.

Student in an Organized Health Care Education/Training Program

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5270

CHRISTOPHER RUIZ

Case Manager/Care Coordinator

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-3950

C. STIRLING SOMERS

Counselor

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5270

WILLIAM RUSSEL CARPENTER FNP-C

Nurse Practitioner (Family)

1001 POTRERO AVE
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8000

REGENTS OF THE UNIVERSITY OF CALIFORNIA

Clinical Medical Laboratory

1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110

San Francisco County (415) 502-4775

DR. DENISE RENEE GONZALEZ MD

Internal Medicine

1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-6075

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carlyle Hamsher's NPI number?

The NPI number for Carlyle Hamsher is 1619268893. It was assigned to this individual provider in the NPPES registry on April 22, 2011. The provider is also known as Dr. Lyle Hamsher M.D..

Where is Carlyle Hamsher located?

Carlyle Hamsher practices at 1001 Potrero Ave Building 5, Room 3c-38, San Francisco, CA 94110. The listed phone number is (415) 206-7325.

What is Carlyle Hamsher's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Carlyle Hamsher enrolled in Medicare?

Yes. Carlyle Hamsher is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Carlyle Hamsher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlyle Hamsher reassigns Medicare benefits to Wake Forest University Health Sciences (Winston Salem, NC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carlyle Hamsher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carlyle Hamsher accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and AmeriHealth Caritas Next and 4 other insurers list Carlyle Hamsher as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Carlyle Hamsher affiliated with any hospitals?

According to CMS data, Carlyle Hamsher is affiliated with North Carolina Baptist Hospital and Lexington Memorial Hospital Inc.

When was this NPI record last updated?

The NPPES record for Carlyle Hamsher was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.