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SAMUEL MACKENZIE WARREN MD
NPI 1881678837
Anesthesiology in Tallahassee, FL

Active since December 02, 2005PECOS Enrolled
2173A CENTERVILLE PL, TALLAHASSEE, FL 32308(850) 385-0144(850) 385-0146 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Samuel Mackenzie Warren Md NPPES

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

SAMUEL MACKENZIE WARREN MD (NPI 1881678837) is an individual anesthesiology provider in Tallahassee, Florida, licensed in Florida (ME66560) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881678837
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSAMUEL MACKENZIE WARRENCredential: MD
Location Address2173A CENTERVILLE PLTallahassee, FL 32308-4356
Mailing AddressPo Box 452198Sunrise, FL 33345-2198 · (954) 838-2371
Phone(850) 385-0144
Fax(850) 385-0146
Sole ProprietorNo
Enumeration DateDecember 2, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1881678837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in FL · ME66560
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2173A CENTERVILLE PL, Tallahassee, FL 32308
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Samuel Mackenzie Warren Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Samuel Warren reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Anesthesiology Associates, P.A.
379 mi
Anesthesiology
3735 GLENLAKE DR STE 250
Charlotte, NC 28208
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Providence Anesthesiology Associates PA
  • 483 clinicians in this Medicare group
NPI 1396739884 (704) 749-5800
Medstream Anesthesia PLLC
754 mi
Anesthesiology
2221 LAKESIDE BLVD STE 600
Richardson, TX 75082
  • Reassigned Medicare billing, North Carolina enrollment
  • 493 clinicians in this Medicare group
NPI 1649616160 (828) 210-9386

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
38%692 patients2/55-star benchmark: 100%
Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
74%1,632 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. RAUL OSMUNDO FERNANDEZ MD
Anesthesiology
2173A CENTERVILLE PL
TALLAHASSEE, FL 32308
Leon County (850) 385-0144
JAMES FRANCIS O'NEILL MD
Anesthesiology
2173A CENTERVILLE PL
TALLAHASSEE, FL 32308
Leon County (850) 385-0144
WILLIAM PAUL DOBBS CRNA
Anesthesiologist Assistant
2173A CENTERVILLE PL
TALLAHASSEE, FL 32308
Leon County (850) 385-0144
DR. BRENCE ALAN SELL MD
Anesthesiology
2173A CENTERVILLE PL
TALLAHASSEE, FL 32308
Leon County (850) 385-0144
ROBERT LOUIS KLEIN CRNA
Nurse Anesthetist, Certified Registered
2173A CENTERVILLE PL, ANESTHESIOLOGY ASSOCIATES OF TALLAHASSEE
TALLAHASSEE, FL 32308
Leon County (850) 385-0144
JEFFREY ALLEN MYERS MD
Anesthesiology
2173A CENTERVILLE PL
TALLAHASSEE, FL 32308
Leon County (850) 385-0144
HENRY ALLEN MATHEWS CRNA
Nurse Anesthetist, Certified Registered
2173A CENTERVILLE PL, ANESTHESIOLOGY ASSOCIATES OF TALLAHASSEE
TALLAHASSEE, FL 32308
Leon County (850) 385-0144
ALISON THUMM CRNA
Nurse Anesthetist, Certified Registered
2173A CENTERVILLE PL
TALLAHASSEE, FL 32308
Leon County (850) 385-0144

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 Samuel Warren's NPI number?

The NPI number for Samuel Warren is 1881678837. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Where is Samuel Warren located?

Samuel Warren practices at 2173A Centerville Pl, Tallahassee, FL 32308. The listed phone number is (850) 385-0144.

What is Samuel Warren's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Samuel Warren enrolled in Medicare?

Yes. Samuel Warren is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Samuel Warren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Warren reassigns Medicare benefits to 2 organizations: Providence Anesthesiology Associates, P.A. (Charlotte, NC) and Medstream Anesthesia PLLC (Richardson, TX). Each 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 Samuel Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Samuel Warren was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.