Dennis Paul Littleton, ANP
Nurse Practitioner · Saint Louis, MO
Dennis Paul Littleton, ANP is a nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1629421771, issued on Jul 13, 2016. Check the license (Missouri 2015038003, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Paul Littleton
- Credential
- ANP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 2015038003 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 362-7603
- Enumerated
- Jul 13, 2016
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-5470
- Medicaid ID
- 420037378 MO
- Medicare enrollment
- Enrolled (PECOS I20161108002127); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,720 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dennis Paul Littleton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2015038003Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Paul Littleton among 1,720 nurse practitioner records in Missouri
Dennis Paul Littleton, ANP is one of 1,720 nurse practitioner records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 45% of them.
- NPI issued2016 · 45% of these records are older, 49% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2017 among the 1,080 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
437 nurse practitioner records list a practice address in Saint Louis
They are 437 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,720 nurse practitioner records in Missouri.
All 1,720 in Missouri → Every provider in Saint Louis → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Natalie Bryant, ACNPSaint Louis, MO 631101396744207
- Christine Debold, ANPSaint Louis, MO 631101154363513
- Debra Gase, FNPSaint Louis, MO 631101972529105
- Monica Hente, PNPSaint Louis, MO 631101013996313
- Patricia Knutsen, AHCNSSaint Louis, MO 631101184651184
- Frank Krajczar, ANPSaint Louis, MO 631101922002484
- Carol Massmann, PNPSaint Louis, MO 631101598782013
- Brenda Patterson, FNPSaint Louis, MO 631101497732986
Common questions
What is Dennis Paul Littleton, ANP's NPI number?
Dennis Paul Littleton, ANP's National Provider Identifier (NPI) is 1629421771, issued on Jul 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Paul Littleton, ANP located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 362-7603. Providers update this record themselves, so call before visiting.
How can I verify Dennis Paul Littleton, ANP's license?
NPPES lists Missouri license number 2015038003, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
What is Dennis Paul Littleton, ANP's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.