STEPHANIE S DITTMER MD
NPI 1942422688
Family Medicine in Fortuna, CA

Active since May 03, 2007PECOS EnrolledAccepts Medicare Assignment
3429 RENNER DR, FORTUNA, CA 95540(707) 726-2255(707) 949-9715 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 20, 2023, Oct 21, 2021, Sep 10, 2018 and 1 more (4 updates tracked since 2017).

About Stephanie S Dittmer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHANIE S DITTMER MD (NPI 1942422688) is an individual family medicine provider in Fortuna, California, licensed in California (A117789) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Arcata, and is a graduate of University Of California, Irvine, California College Of Medicine (2005).

NPPES Registry Identity

NPI1942422688
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameSTEPHANIE S DITTMERCredential: MD
Location Address3429 RENNER DRFortuna, CA 95540-3104
Mailing Address3429 Renner Dr Ste BFortuna, CA 95540-3104 · (707) 726-2255 · Fax (707) 949-9715
Fax(707) 949-9715
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2005
Enumeration DateMay 3, 2007
Last NPPES UpdateAugust 20, 20254 updates tracked since enumeration
NPPES CertifiedAugust 20, 2025
NPI 1942422688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A117789
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3429 RENNER DR, Fortuna, CA 95540

Secondary Practice Location 1

Location 13798 Janes Rd Ste 15Arcata, CA 95521-4746 · Phone (707) 726-2255 · Fax (707) 949-9715

Other Identifiers 1

Other192422688CA · National Provider Idenification

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Stephanie S Dittmer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082768809
PECOS Enrollment IDI20131115000255
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
261 services84 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
142 services63 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
100 services59 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
78 services52 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
42 services23 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
34 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
96%134 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 17

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers14 claims14 services$69.39 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers15 claims15 services$21.73 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
3 suppliers11 claims11 services$22.65 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers20 claims97 services$2.98 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers25 claims25 services$18.74 avg. paid by Medicare
Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443
DME-Oxygen and Supplies · category DC000N
2 suppliers11 claims11 services$52.72 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Case Manager/Care Coordinator
3429 RENNER DR
FORTUNA, CA 95540
Counselor (Mental Health)
3429 RENNER DR
FORTUNA, CA 95540
Family Medicine
3429 RENNER DR
FORTUNA, CA 95540
Case Manager/Care Coordinator
3429 RENNER DR
FORTUNA, CA 95540
Social Worker (Clinical)
3429 RENNER DR
FORTUNA, CA 95540
Case Manager/Care Coordinator
3429 RENNER DR
FORTUNA, CA 95540
Marriage & Family Therapist
3429 RENNER DR
FORTUNA, CA 95540
Social Worker (Clinical)
3429 RENNER DR
FORTUNA, CA 95540

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephanie Dittmer's NPI number?

The NPI number for Stephanie Dittmer is 1942422688. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Stephanie Dittmer located?

Stephanie Dittmer practices at 3429 Renner Dr, Fortuna, CA 95540. The listed phone number is (707) 726-2255.

What is Stephanie Dittmer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Stephanie Dittmer enrolled in Medicare?

Yes. Stephanie Dittmer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Stephanie Dittmer was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.