Doctor profile · Federal record

Dr. Nelson de Guzman, MD

Internal Medicine Physician (CMS: Internal Medicine) · Redding, CA

  • NPI 1982680781
  • Accepts Medicare
  • MIPS 74.5 / 100 · 2023
  • 45 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
351 Hartnell Ave
Redding, CA 960021845
(530) 226-7524
fax (530) 226-7568
Mailing address
11481 Sonora Trl
Redding, CA 960038741

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A73959

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982680781. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
2
Medicare allowed
$18,086
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 140 138 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 66 64 $67

In context: peer comparison

Among 10 peers in Redding Internal Medicine Physician, average services per provider: 268. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
13
Total drug cost
$143
Drug Type Claims Patients Total cost
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 13 13 $143

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nelson de Guzman's medical specialty?
Dr. Nelson de Guzman practices Internal Medicine Physician in Redding, CA.
Where does Dr. Nelson de Guzman practice?
Dr. Nelson de Guzman practices at 351 Hartnell Ave, Redding, CA 960021845. Office phone: 5302267524.
What is Dr. Nelson de Guzman's NPI?
Dr. Nelson de Guzman's National Provider Identifier (NPI) is 1982680781, issued by NPPES.
Does Dr. Nelson de Guzman accept Medicare assignment?
Yes. Dr. Nelson de Guzman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nelson de Guzman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.