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Mark Knabel, M.D.
NPI 1598732489 · Specialist · Dubuque, IA
Mark Knabel, M.D. is a Specialist provider in Dubuque, IA (NPI 1598732489).
Provider details
- NPI number
- 1598732489
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22086 (IA)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1500 Delhi St
Ste 4100
Dubuque, IA 52001-6358
Phone: (563) 557-5900
Fax: (563) 557-5905
Street-level locationGet directions
Mailing address
1500 Delhi St Ste 4100
Dubuque, IA 52001-6362
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2012-12-12
Frequently asked questions
- What is Mark Knabel's NPI number?
- Mark Knabel's National Provider Identifier (NPI) is 1598732489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Knabel's specialty?
- Mark Knabel is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mark Knabel located?
- Mark Knabel's practice location on file with NPPES is 1500 Delhi St, Dubuque, IA 52001-6358.
- What is Mark Knabel's phone number?
- The practice phone number listed in the NPPES registry for Mark Knabel is (563) 557-5900.
- Is Mark Knabel's NPI active?
- Yes — Mark Knabel's NPI (1598732489) is active in the NPPES registry as of the last update on 2012-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.