Douglas Ralph Langefeld, DDS
- Part D claims, 2024
- 97
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 4680 W Algonquin Road, Lake In The Hills, IL 60156
- Practice phone
- Call (847) 658-8508
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Langefeld Czapla And Asso
Dental practice · Lake In The Hills, Illinois
Find Douglas Langefeld's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Douglas Ralph Langefeld is a dentist in Lake In The Hills, Illinois
Douglas Langefeld practices at Langefeld Czapla And Asso in Lake In The Hills, Illinois.
Douglas Langefeld's NPI, 1558546846, was assigned on January 4, 2008.
- NPI
- 1558546846NPI Registry (opens in a new tab)
- NPI enumeration date
- January 4, 2008
- NPI status
- Active
- Practice phone
- (847) 658-8508
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Douglas Ralph Langefeld practices at Langefeld Czapla and Asso in Lake In The Hills, Illinois
Douglas Langefeld's primary practice is Langefeld Czapla and Asso, at 4680 W Algonquin Road, Lake In The Hills, IL 60156. The practice phone is (847) 658-8508.
- Langefeld Czapla and Asso4680 W Algonquin Road, Lake In The Hills, IL 60156Phone(847) 658-8508
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Douglas Ralph Langefeld is affiliated with 1 site of care and 1 medical group
Douglas Langefeld's primary practice is Langefeld Czapla And Asso in Lake In The Hills, Illinois. Dmand AI also links Douglas Langefeld to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Douglas Ralph Langefeld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Douglas Langefeld practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Langefeld Czapla And Asso | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Douglas Ralph Langefeld is one of 1,844 dentists in Illinois
Dentist is Douglas Langefeld's primary specialty in the NPI Registry, under taxonomy code 122300000X. Douglas Langefeld has a license on file in Illinois.
Specialties and state licenses
- Dentist, Illinois
Dentists near Douglas Langefeld
Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Douglas Ralph Langefeld's patients have a median age of 19
Across all payers, Dmand AI patient panel data puts Douglas Langefeld's median patient age at 19, with 75% women.
Douglas Langefeld's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 19
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Douglas Ralph Langefeld wrote 97 Medicare Part D claims in 2024
In 2024, Douglas Langefeld wrote 97 Medicare Part D claims for 57 patients. 97% of them were for generic drugs.
Douglas Langefeld's Part D claims by kind of drug, 2024
- Generic94 claims97%
- Brand-name and other3 claims3%
Drug classes CMS tracks in Douglas Langefeld's Part D claims, 2024
- Antibiotics92%89 of 97 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Douglas Ralph Langefeld's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Douglas Ralph Langefeld
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Douglas Ralph Langefeld's NPI number?
Douglas Ralph Langefeld's NPI number is 1558546846. It was assigned on January 4, 2008, and it is active in the NPI Registry.
What does Douglas Ralph Langefeld specialize in?
Douglas Ralph Langefeld is a dentist in Lake In The Hills, Illinois. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Douglas Ralph Langefeld practice?
Douglas Langefeld practices at 4680 W Algonquin Road, Lake In The Hills, IL 60156. Douglas Langefeld's primary practice is Langefeld Czapla And Asso in Lake In The Hills, Illinois. Dmand AI also links Douglas Langefeld to 1 medical group.
What is Douglas Ralph Langefeld's office phone number?
The practice phone on file for Douglas Langefeld is (847) 658-8508.
How long has Douglas Ralph Langefeld been practicing?
Douglas Langefeld's NPI was assigned in 2008.
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