2026 data CMS NPPES NUCC Taxonomy

Doctors in Spencer, IA

Compiled from official public sources by the PlainDoctor editorial team.

Active healthcare providers in Spencer sourced from the CMS NPPES weekly file, no proprietary ratings, no editorial scores. NPI counts, specialty distribution, and primary practice addresses refreshed each release.

336
Providers
CMS NPPES-registered
20
Specialties
NUCC taxonomy codes
Addiction (Substance Use Disorder) Counselor
Top specialty
27 providers
Iowa
State
IA

336 healthcare providers across 20 specialties

Spencer, Iowa appears in the CMS National Plan and Provider Enumeration System with 336 registered healthcare providers spanning 20 distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Spencer - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Spencer practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2023 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Spencer is weighted toward Addiction (Substance Use Disorder) Counselor (27 clinicians, followed by Mental Health Counselor with 24 and Pharmacist with 22). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Iowa's population, Spencer reports roughly 10.5 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Within Iowa, Spencer ranks #25 of 212 cities tracked by provider count, accounting for 0.7% of the state's registered providers. Of Iowa's most common specialties, Internal Medicine Physician is the most prominent one with no provider currently listing a Spencer practice address, a coverage gap Spencer patients typically fill by traveling to a larger nearby hub.

For Spencer patients, this directory is most useful as a starting shortlist, searching by specialty narrows the 690-taxonomy roster to clinicians with the relevant training, and each provider page links to NPI, state licensing boards, and the NPPES registry for credential verification. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly, so listing details may be out of date; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients. Nothing on this page substitutes for consulting a licensed clinician about your personal health decisions.

336
Providers
20
Specialties
#25
of 212 IA cities
0.7%
of IA providers
10.5
Per 100K (state)

Which specialties are most common in Spencer

Addiction (Substance Use Disorder) Counselor 27
Mental Health Counselor 24
Pharmacist 22
Social Worker 20
Physical Therapist 18
Family Medicine Physician 18
Family Nurse Practitioner 15
Chiropractor 14
Clinical Social Worker 14
Psychiatric/Mental Health Nurse Practitioner 11
General Practice Dentistry 11
Certified Registered Nurse Anesthetist 10
Nurse Practitioner 9
Athletic Trainer 9
Registered Dietitian 9
Optometrist 8
Surgery Physician 7
Registered Nurse 7
Physician Assistant 6
Hearing Instrument Specialist 6

Healthcare Providers (Page 7)

Name
Kari Van Dam, LMHC
Mental Health Counselor
Carla Van Holsteijn, RD/LD
Registered Dietitian
Linda Van-Putten, CADC
Addiction (Substance Use Disorder) Counselor
Kayla Vanderhoff
Nurse Practitioner
Doug Vanhofwegen, DDS
General Practice Dentistry
Gary Vanhofwegen, DDS
General Practice Dentistry
Andrew Vanommeren, B.A.
Addiction (Substance Use Disorder) Counselor
Megan Vanotterloo, MSN, ARNP, FNP-C
Nurse Practitioner
John Vaubel, M.D.
Ophthalmology Physician
Genelle Vermeer, CADC
Addiction (Substance Use Disorder) Counselor
Ruth Vetter, OTR/L
Occupational Therapist
Jonathan Walburg
Chiropractor
Anna Waldner, PMHNP
Psychiatric/Mental Health Nurse Practitioner
Sandra Walker-Lee, NURSE PRACTITIONER
Psychiatric/Mental Health Nurse Practitioner
Emily Walton, ARNP
Family Nurse Practitioner
Mandi Ward, DPT
Physical Therapist
Jordon Weideman
Marriage & Family Therapist
Jamie Westerman Billings, ARNP
Family Nurse Practitioner
Kelly Westervelt, MSPT
Physical Therapist
Daniel Westphal
Registered Nurse
Larry Westphal, CRNA
Certified Registered Nurse Anesthetist
Briana Wetrich, PA-C
Physician Assistant
Elle-Shante Whalen, M.S., L.M.H.C
Mental Health Counselor
Kimberly Whisenant, NP
Pediatric Nurse Practitioner
Angie Wigen, COTA/L
Occupational Therapy Assistant
Barbara Wilkerson, ARNP
Nurse Practitioner
Janette Willison, LMSW
Mental Health Counselor
Brian Wilson, D.O.
Gynecology Physician
Amanda Winterboer, OD
Optometrist
Travis Witt, M.D.
Family Medicine Physician
Emma Wolf, DDS
Dentist
Amanda Young, DO
Family Medicine Physician
Allyson Zahm
Mental Health Counselor
Chelsea Zaragoza
Mental Health Counselor
Gary Zeutenhorst, MSW, LISW
Clinical Social Worker
Dennis Zylstra
Chiropractor

Nearby Cities in Iowa

Other Iowa cities with provider coverage in the CMS NPPES registry.

Compare specialties side-by-side →

Frequently Asked Questions

How many doctors are in Spencer, IA?
There are 336 registered healthcare providers in Spencer, IA, covering 20 specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Spencer?
The most common specialties in Spencer are Addiction (Substance Use Disorder) Counselor, Mental Health Counselor, Pharmacist, Social Worker, Physical Therapist. Addiction (Substance Use Disorder) Counselor has the most providers with 27.

Provider data from CMS NPPES (download.cms.gov/nppes); specialty classification from NUCC Health Care Provider Taxonomy. PlainDoctor does not rate or rank providers. Methodology · About

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from CMS National Plan and Provider Enumeration System (NPPES). Consult a qualified professional before making decisions based on this data.

Compiled from official public sources by the PlainDoctor editorial team.