Doctor profile · Federal record

Dr. Stephanie Dittmer, MD

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

  • NPI 1942422688
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3429 Renner Dr
Fortuna, CA 955403104
(707) 726-2255
fax (707) 949-9715
Additional location
3798 Janes RD Ste 15
Arcata, CA 955214746
Mailing address
3429 Renner Dr Ste B
Fortuna, CA 955403104

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
August 20, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A117789

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942422688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
729
Distinct HCPCS
10
Medicare allowed
$82,362
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 145 79 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 116 67 $79
99213 Established patient office or other outpatient visit, 20-29 minutes 102 44 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 100 46 $129
99215 Established patient office or other outpatient visit, 40-54 minutes 97 41 $181
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 36 $174
99239 Hospital discharge day management, more than 30 minutes 37 35 $115
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 32 22 $49
99212 Established patient office or other outpatient visit, 10-19 minutes 19 15 $57
99238 Hospital discharge day management, 30 minutes or less 17 17 $81

In context: peer comparison

Among 5 peers in Fortuna Family Medicine Physician, average services per provider: 57. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$131
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $79.22
Amgen INC. 1 $31.29
AstraZeneca Pharmaceuticals Lp 1 $20.71

By nature of payment

Food and Beverage
$131

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,133
Patients
110
Total drug cost
$135,712
Drug Type Claims Patients Total cost
Gabapentin Generic 161 19 $1,850
Atorvastatin Calcium Generic 150 24 $1,745
Omeprazole Generic 89 15 $805
Citalopram Hbr (Citalopram Hydrobromide) Brand 77 0 $516
Furosemide Generic 74 12 $525
Escitalopram Oxalate Generic 70 0 $994
Lisinopril Generic 68 14 $496
Donepezil Hcl Generic 67 0 $844
Ozempic (Semaglutide) Brand 63 0 $76,907
Jardiance (Empagliflozin) Brand 58 0 $21,991

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephanie Dittmer's medical specialty?
Dr. Stephanie Dittmer practices Family Medicine Physician in Fortuna, CA.
Where does Dr. Stephanie Dittmer practice?
Dr. Stephanie Dittmer practices at 3429 Renner Dr, Fortuna, CA 955403104. Office phone: 7077262255.
What is Dr. Stephanie Dittmer's NPI?
Dr. Stephanie Dittmer's National Provider Identifier (NPI) is 1942422688, issued by NPPES.
Does Dr. Stephanie Dittmer accept Medicare assignment?
Yes. Dr. Stephanie Dittmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Dittmer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.