Doctor profile · Federal record

Dr. Katherine Estlin, MD

Family Medicine Physician (CMS: Family Practice) · Fortuna, CA

  • NPI 1255574885
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3429 Renner Dr
Fortuna, CA 955403104
(707) 726-2255
fax (707) 949-9715

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
May 19, 2023
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A143957

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255574885. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
526
Distinct HCPCS
5
Medicare allowed
$74,403
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 202 58 $129
99215 Established patient office or other outpatient visit, 40-54 minutes 180 60 $182
99213 Established patient office or other outpatient visit, 20-29 minutes 104 46 $89
99205 New patient office or other outpatient visit, 60-74 minutes 26 26 $221
0134A Adm sarscv2 bvl 50mcg/.5ml a 14 14 $42

In context: peer comparison

Among 5 peers in this city , average services per provider: 57. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$77
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $31.29
Novo Nordisk Inc 1 $24.66
AstraZeneca Pharmaceuticals LP 1 $20.71

By nature of payment

Food and Beverage
$77

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
599
Patients
70
Total drug cost
$80,459
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 86 24 $948
Losartan Potassium Generic 60 12 $1,080
Gabapentin Generic 52 12 $1,068
Lisinopril Generic 49 11 $403
Ozempic (Semaglutide) Brand 47 0 $50,929
Levothyroxine Sodium Generic 46 0 $610
Amlodipine Besylate Generic 40 11 $541
Hydrochlorothiazide Generic 39 0 $186
Lorazepam Generic 32 0 $313
Quetiapine Fumarate Generic 26 0 $919

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Estlin's medical specialty?
Dr. Katherine Estlin practices Family Medicine Physician in Fortuna, CA.
Where does Dr. Katherine Estlin practice?
Dr. Katherine Estlin practices at 3429 Renner Dr, Fortuna, CA 955403104. Office phone: 7077262255.
What is Dr. Katherine Estlin's NPI?
Dr. Katherine Estlin's National Provider Identifier (NPI) is 1255574885, issued by NPPES.
Does Dr. Katherine Estlin accept Medicare assignment?
Yes. Dr. Katherine Estlin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Estlin 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 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.