NPPES file of Aug 9, 2026

Robert Nelson Spencer, D.D.S. M.S.

Orthodontics and Dentofacial Orthopedics Dentistry · Charles City, IA

Robert Nelson Spencer, D.D.S. M.S. is an orthodontics and dentofacial orthopedics dentistry with a practice address in Charles City, Iowa, and NPI 1629150958, issued on Oct 19, 2006. Check the license (Iowa 6303, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629150958
Name
Robert Nelson Spencer
Credential
D.D.S. M.S.
Primary taxonomy
Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
License number
6303 IA
Self-reported in NPPES; status is on the state search
Practice location
703 N Main St Ste 2, Charles City, IA 50616
Phone
(641) 228-4821
Enumerated
Oct 19, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(641) 228-4822
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest orthodontics and dentofacial orthopedics dentistry records → All 111 in Iowa → Look up another NPI →

Verify Robert Nelson Spencer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 6303    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

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Robert Nelson Spencer among 111 orthodontics and dentofacial orthopedics dentistry records in Iowa

Robert Nelson Spencer, D.D.S. M.S. is one of 111 orthodontics and dentofacial orthopedics dentistry records with a practice address in Iowa. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 68% newer
  • In a Medicare fileNo · 49% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 82% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthodontics and Dentofacial Orthopedics Dentistry providers in Iowa

There are 111 orthodontics and dentofacial orthopedics dentistry records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 111 in Iowa → Every provider in Charles City → Orthodontics and Dentofacial Orthopedics Dentistry nationwide →

The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes

  1. Lucas Boe, DMDCedar Falls, IA 506131689801433
  2. Michael Crall, DDS, MSCedar Falls, IA 506131578695631
  3. Rachel Stiles, DDS, MSCedar Falls, IA 506131649427808
  4. David Zwanziger, D.D.S.Cedar Falls, IA 506131902962731
  5. Gregory Christensen, DDS MSWaterloo, IA 507021144394495
  6. Michael Freeseman, DDS MSWaterloo, IA 507021073687323
  7. Andrew Shelly, D.D.S., M.S.Fort Dodge, IA 505011972672434
  8. Tom Shelly, D.D.S., M.S.Fort Dodge, IA 505011215006879

Common questions

What is Robert Nelson Spencer, D.D.S. M.S.'s NPI number?

Robert Nelson Spencer, D.D.S. M.S.'s National Provider Identifier (NPI) is 1629150958, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Nelson Spencer, D.D.S. M.S. located?

The NPPES record lists a practice address at 703 N Main St Ste 2, Charles City, IA, 50616. Phone: (641) 228-4821. Providers update this record themselves, so call before visiting.

How can I verify Robert Nelson Spencer, D.D.S. M.S.'s license?

NPPES lists Iowa license number 6303, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.