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Active NPI 1982680781 Individual Practitioner Male Practitioner

Dr. Nelson Concepcion De Guzman , MD

Internal Medicine • Redding, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nelson De Guzman, MD is a certified Internal Medicine practicing in Redding, CA. With approximately 45 years of clinical experience since completing medical education in 1981, Dr. De Guzman delivers high-quality medical care to the local community at 351 HARTNELL AVE.

Dr. De Guzman is affiliated with Enloe Medical Center and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, aspiration and/or injection of fluid from large joint, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

351 Hartnell Ave

Redding, CA 960021845

Telephone 5302267524
Fax 5302267568
Associated Practice Facility / Clinic
🏢 Dept. Of Veteran's Affairs Facility NPI 1245628411

Medicare Profile & Education

Medical School

Other

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Redding, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
45 Yrs +15.5 yrs vs City Avg
City Avg: 29.5 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
40 Specialists

Practicing in Redding, CA (18502 Statewide)

Telehealth Adoption Rate
12.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
55.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. De Guzman (45 Years) 45 Yrs
Redding Specialty Average (29.5 Years) 29.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
143 142 $217.00 $96.20
99213 Established patient office or other outpatient visit, typically 15 minutes
103 101 $147.00 $64.70

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A73959

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Enloe Medical Center

888 Lakeside Vlg Cmns, Chico, CA 959283979

Phone: 5303326850

Practice Associates & Co-Workers

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

4 Associated Practitioners
Dr. Corsini Templado , MD

Internal Medicine

NPI 1033195821

Doctor of Medicine (M.D.)

Denise Sparrow , RN

Registered Nurse

NPI 1063864973

Registered Nurse

Joaleen Swanson , NP

Nurse Practitioner - Family

NPI 1407827991

Nurse Practitioner

Dr. Elaine Hearney , MD

Internal Medicine

NPI 1609859792

Doctor of Medicine (M.D.)

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 351 HARTNELL AVE, REDDING, CA 960021845 (Tel: 5302267524)

📍
Updated Business Mailing Address July 08, 2007

Registered at 11481 SONORA TRL, REDDING, CA 960038741 (Tel: 5305496691)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as NELSON DE GUZMAN, MD

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

Internal Medicine (License #A73959 in CA)

🟢
Initial NPI Registration & Enumeration December 22, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1982680781
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 22, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

11481 Sonora Trl

Redding, CA 960038741

Phone: 5305496691

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.