Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SARAH DUDENHOEFFER D.O.
NPI 1952835423
Internal Medicine - Diabetology in Healdsburg, CA

Q: What is Sarah Dudenhoeffer's NPI number?

The NPI number for Sarah Dudenhoeffer is 1952835423. It was assigned to this individual provider in the NPPES registry on April 11, 2017. The provider is also known as Sarah Jean Dudenhoeffer.

Q: What is Sarah Dudenhoeffer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Diabetology, with taxonomy code 207QD0401X.

Active since April 11, 2017PECOS Enrolled

1381 UNIVERSITY ST, HEALDSBURG, CA 95448(707) 433-5494(707) 433-0229 Get Directions Write a Review

NPPES record last updated: September 20, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 20, 2026, Sep 25, 2024, May 15, 2024 and 4 more (7 updates tracked since 2017).

On this page

About Dr. Sarah Dudenhoeffer D.o. NPPES

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

DR. SARAH DUDENHOEFFER D.O. (NPI 1952835423) is an individual diabetology provider in Healdsburg, California, licensed in California (20A20685) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Healdsburg, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1952835423

Entity TypeIndividualFemale

Primary Taxonomy207QD0401X

Provider Legal NameDR. SARAH DUDENHOEFFERCredential: D.O.

Location Address1381 UNIVERSITY STHealdsburg, CA 95448-3314

Mailing Address1381 University StHealdsburg, CA 95448-3314 · (707) 433-5494

Phone(707) 433-5494

Fax(707) 433-0229

Sole ProprietorYes

Medical School CMSOtherGraduated 2017

Enumeration DateApril 11, 2017

Last NPPES UpdateSeptember 20, 20267 updates tracked since enumeration

NPPES CertifiedSeptember 20, 2026

✔ NPI 1952835423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · DiabetologyAllopathic & Osteopathic Physicians

Taxonomy Code207QD0401X

License✔ Licensed in CA · 20A20685

Definition

An internist who specializes in diagnosis and management of type 1, type 2, gestational, and atypical diabetes; diabetes complications; hospital management of diabetic patients; use of technology in the treatment and monitoring of diabetes; management of ancillary diagnoses, such as hypertension, obesity, lipidemia, etc.; and education and counseling on nutrition and lifestyle management.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 20A20685 (CA)

1381 UNIVERSITY ST, Healdsburg, CA 95448

Open in Google Maps ↗

Other Names 1

Other Name (5)Sarah Jean Dudenhoeffer

Secondary Practice Location 1

Location 1421 March Ave Ste BHealdsburg, CA 95448-3367 · Phone (707) 433-5511

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

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

Dr. Sarah Dudenhoeffer D.o. 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 ID8022374495

PECOS Enrollment IDI20240408000423

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 3

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 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.

30 services25 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.

20 services18 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.

12 services12 patients

Referred Medical Equipment & Supplies CMS DME claims

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

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier12 claims12 services$3.41 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 20

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

BARBARA ANN BOYLAN MD

Internal Medicine (Cardiovascular Disease)