Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1669434254 Individual Practitioner Male Practitioner

Dr. Fernan F. De Guzman , MD

Specialist • Tamuning, GU

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Fernan De Guzman, MD is a certified Specialist practicing in Tamuning, GU. With approximately 36 years of clinical experience since completing medical education in 1990, Dr. De Guzman delivers high-quality medical care to the local community at 548 SOUTH MARINE CORPS DRIVE.

Dr. De Guzman is affiliated with Guam Memorial Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for placement or revision of blood flow shunt. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

548 South Marine Corps Drive

Tamuning, GU 96913

Telephone 6716465824
Fax 6716473546
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Tamuning, GU

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
36 Yrs -1.7 yrs vs City Avg
City Avg: 37.7 Yrs
State Avg: 37.7 Yrs
Regional Practice Density
14 Specialists

Practicing in Tamuning, GU (14 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. De Guzman (36 Years) 36 Yrs
Tamuning Specialty Average (37.7 Years) 37.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
01844 Anesthesia for placement or revision of blood flow shunt
11 11 $853.88 $281.82

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Hospital & Practice Group Affiliations

Guam Memorial Hospital

850 Gov Carlos Camacho Rd, Tamuning, GU 969133128

Guam Memorial Hospital

850 Gov Carlos G Camacho Rd, Tamuning, GU 969133128

Phone: 6716472552

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

28 Associated Practitioners
NPI 1023079738

Doctor of Medicine (M.D.)

NPI 1114988821

Doctor of Medicine (M.D.)

Walter Stratton , PA-C

Physician Assistant

NPI 1124089867

Physician Assistant (Certified)

Dr. David Mudd , MD

Radiologic Technologist - Radiography

NPI 1134180409

Doctor of Medicine (M.D.)

NPI 1134180482

Doctor of Medicine (M.D.)

NPI 1154381515

Doctor of Optometry

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 548 SOUTH MARINE CORPS DRIVE, TAMUNING, GU 96913 (Tel: 6716465824)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 6578, TAMUNING, GU 969316578 (Tel: 6716466956)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as FERNAN DE GUZMAN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Specialist

🟢
Initial NPI Registration & Enumeration April 06, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Fernan De Guzman. Be the first to share your experience!

Sign in to leave a review for Dr. Fernan De Guzman

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1669434254
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 06, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

Po Box 6578

Tamuning, GU 969316578

Phone: 6716466956

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.