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HAI C. NGUYEN M.D.
NPI 1699777185
Anesthesiology in Pensacola, FL

Active since August 15, 2005PECOS EnrolledAccepts Medicare Assignment
4901 GRANDE DR, PENSACOLA, FL 32504(850) 477-7042(850) 474-9060 Get Directions Write a Review

NPPES record last updated: November 23, 2011. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Hai C. Nguyen M.d. NPPES

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

HAI C. NGUYEN M.D. (NPI 1699777185) is an individual anesthesiology provider in Pensacola, Florida, licensed in Florida (ME110160) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Tampa General Hospital Crystal River, and is a graduate of University Of Texas Medical Branch At Galveston (1993).

NPPES Registry Identity

NPI1699777185
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameHAI C. NGUYENCredential: M.D.
Location Address4901 GRANDE DRPensacola, FL 32504-5935
Mailing Address4901 Grande DrPensacola, FL 32504-5935 · (850) 477-7042 · Fax (850) 474-9060
Phone(850) 477-7042
Fax(850) 474-9060
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1993
Enumeration DateAugust 15, 2005
Last NPPES UpdateNovember 23, 2011
✔ NPI 1699777185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in FL · ME110160✔ Licensed in IL · 036098731
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.
4901 GRANDE DR, Pensacola, FL 32504
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Other Identifiers 6

Other593-07069AL · Blue Cross Blue Shield
Other593-07070AL · Blue Cross Blue Shield
Other14E4KFL · Blue Cross Blue Shield
Medicare UPINH01460IL
Medicaid003664100FL
Medicare PINFE281ZFL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.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

Hai C. Nguyen 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 ID1456243930
PECOS Enrollment IDI20040329000765, I20110729000516
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

9

Medicare enrollment records show Hai Nguyen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ams Baptist LLC
3.9 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 183 clinicians in this Medicare group
NPI 1093020216 (866) 653-2540
Ams National LLC
3.9 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 768 clinicians in this Medicare group
NPI 1316330830 (866) 653-2540
Ams Of Gulf Breeze LLC
3.9 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 177 clinicians in this Medicare group
NPI 1376812032 (866) 653-2540
Sarasota Anesthesia Services LLC
359 mi
Anesthesiology
2821 PROCTOR RD
Sarasota, FL 34231
  • Reassigned Medicare billing, Florida enrollment
  • 134 clinicians in this Medicare group
NPI 1689857393 (866) 631-7890
Us Anesthesia Partners Of Florida Inc.
372 mi
Anesthesiology
851 TRAFALGAR CT, SUITE 200E
Maitland, FL 32751
  • Reassigned Medicare billing, Florida enrollment
  • 2,356 clinicians in this Medicare group
NPI 1518910520 (321) 422-7155
G & G Anesthesia LLC
591 mi
Nurse Anesthetist, Certified Registered
2023 VADALABENE DR STE 350
Maryville, IL 62062
  • Reassigned Medicare billing, Illinois enrollment
  • 149 clinicians in this Medicare group
NPI 1487020111 (618) 205-8302
Carle Bromenn Medical Center
699 mi
Clinic/Center
1300 FRANKLIN AVE STE 100
Normal, IL 61761
  • Reassigned Medicare billing, Illinois enrollment
  • 71 clinicians in this Medicare group
NPI 1104442615 (309) 454-1400
Carle West Physician Group Inc
699 mi
Family Medicine
1302 FRANKLIN AVE STE 3400
Normal, IL 61761
  • Reassigned Medicare billing, Illinois enrollment
  • 698 clinicians in this Medicare group
NPI 1467074138 (309) 556-8295
Clinical Colleagues LLC
744 mi
Anesthesiology
695 N KELLOGG ST
Galesburg, IL 61401
  • Reassigned Medicare billing, Illinois enrollment
  • 142 clinicians in this Medicare group
NPI 1316399967 (800) 494-3964

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

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.

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Tampa General Hospital Crystal River

Acute Care Hospitals · Crystal River, FL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100249
Location6201 N Suncoast BlvdCrystal River, FL 34428 · Citrus County

Heartland Regional Medical Center

Acute Care Hospitals · Marion, IL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number140184
Location3333 W DeyoungMarion, IL 62959 · Williamson 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.

THOMAS TAYLOR FISH MD
Anesthesiology
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042
LESLIE STREET CRNA
Nurse Anesthetist, Certified Registered
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042
MRS. CASEY HITT ANDERSON CRNA
Nurse Anesthetist, Certified Registered
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042
DARRAH L FRIEDMAN CRNA
Nurse Anesthetist, Certified Registered
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042
JACK A. MANDEL JR. CRNA
Nurse Anesthetist, Certified Registered
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042
QUAISON N ALLEYNE MD
Anesthesiology
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042
DAN L CAREY MD
Anesthesiology
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042
MARK STAMOWLAROS CRNA
Nurse Anesthetist, Certified Registered
4901 GRANDE DR
PENSACOLA, FL 32504
Escambia County (850) 477-7042

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 Hai Nguyen's NPI number?

The NPI number for Hai Nguyen is 1699777185. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is Hai Nguyen located?

Hai Nguyen practices at 4901 Grande Dr, Pensacola, FL 32504. The listed phone number is (850) 477-7042.

What is Hai Nguyen's specialty?

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

Is Hai Nguyen enrolled in Medicare?

Yes. Hai Nguyen 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 organizations bill Medicare for Hai Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hai Nguyen reassigns Medicare benefits to 9 organizations: Ams Baptist LLC (Pensacola, FL), Ams National LLC (Pensacola, FL), Ams Of Gulf Breeze LLC (Pensacola, FL), Sarasota Anesthesia Services LLC (Sarasota, FL), Us Anesthesia Partners Of Florida Inc. (Maitland, FL) and 4 more organizations, listed in the Medicare section above. 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 Hai Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hai Nguyen accept?

Health plans from Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Hai Nguyen 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 Hai Nguyen affiliated with any hospitals?

According to CMS data, Hai Nguyen is affiliated with Tampa General Hospital Crystal River and Heartland Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Hai Nguyen was last updated on November 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.