DR. DOUGLAS R. LAKE MD
NPI 1194808394
Radiology - Diagnostic Radiology in Ames, IA
About Dr. Douglas R. Lake Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOUGLAS R. LAKE MD (NPI 1194808394) is an individual diagnostic radiology provider in Ames, Iowa, licensed in Iowa (37861) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Mary Greeley Medical Center, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 12
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Douglas R. Lake 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.
Medicare Billing Reassignments
3Medicare enrollment records show Douglas Lake reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ames, IA 50010
- Reassigned Medicare billing, Iowa enrollment
- 331 clinicians in this Medicare group
Des Moines, IA 50314
- Reassigned Medicare billing, Iowa enrollment
- 518 clinicians in this Medicare group
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 114
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Greeley Medical Center
Acute Care Hospitals · Ames, IABroadlawns Medical Center
Acute Care Hospitals · Des Moines, IAStory County Hospital
Critical Access Hospitals · Nevada, IABoone County Hospital
Critical Access Hospitals · Boone, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
AMES, IA 50010
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 Douglas Lake's NPI number?
The NPI number for Douglas Lake is 1194808394. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Douglas Lake located?
Douglas Lake practices at 1215 Duff Avenue, Ames, IA 50010. The listed phone number is (515) 239-4456.
What is Douglas Lake's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Douglas Lake enrolled in Medicare?
Yes. Douglas Lake 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.
Which organizations bill Medicare for Douglas Lake's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Lake reassigns Medicare benefits to 3 organizations: Mcfarland Clinic PC (Ames, IA), Broadlawns Medical Center (Des Moines, IA) and Stanford Health Care (Pleasanton, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Douglas Lake's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Lake accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Douglas Lake as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Douglas Lake affiliated with any hospitals?
According to CMS data, Douglas Lake is affiliated with Mary Greeley Medical Center, Broadlawns Medical Center, Story County Hospital and Boone County Hospital.
When was this NPI record last updated?
The NPPES record for Douglas Lake was last updated on November 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.