NPPES file of Aug 9, 2026

Mark Jeffrey Allen, FNP-BC

Family Nurse Practitioner · Saint Robert, MO

Mark Jeffrey Allen, FNP-BC is a family nurse practitioner with a practice address in Saint Robert, Missouri, and NPI 1134791411, issued on Jul 15, 2021. Check the license (Missouri 2021027706, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134791411
Name
Mark Jeffrey Allen
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
2021027706 MO
Self-reported in NPPES; status is on the state search
Practice location
608 Old Route 66, Saint Robert, MO 65584
Phone
(573) 336-5100
Enumerated
Jul 15, 2021
Record last updated
Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210914002532); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 608 Old Route 66

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ann Blackman, MDFamily Medicine Physician1588640510
  2. Melva Evans, NPFamily Nurse Practitioner1558825430
  3. Kristopher Flynt, PAPhysician Assistant1578340766
  4. Jon Moore, PA-CPhysician Assistant1003805201
  5. Angela Neighbors, FNPNurse Practitioner1427038686
  6. Grant Paterson, DOFamily Medicine Physician1689310435

Verify Mark Jeffrey Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2021027706
    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 Missouri license search

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72% fewer Medicare Part D claims than the average family nurse practitioner in 2024

370 Medicare Part D claims for 263 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Mark Allen370
  2. Specialty average1,305

Most prescribed

  1. Prednisone98 claims
  2. Doxycycline Hyclate60 claims
  3. Ciprofloxacin Hcl36 claims
  4. Azithromycin19 claims
  5. Cephalexin16 claims
  6. Albuterol Sulfate Hfa14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Lester E Cox Medical CentersSpringfield, MO
  2. Skaggs Community Hospital AssociationBranson, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Jeffrey Allen among 5,226 family nurse practitioner records in Missouri

Mark Jeffrey Allen, FNP-BC is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 72% of them.

  • NPI issued2021 · 72% of these records are older, 22% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2021 · median 2018 among the 3,339 with a school on file
  • Record last updated2021 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 family nurse practitioner records list a practice address in Saint Robert

They are 5 of the 168 NPPES records with a practice address in Saint Robert, and 5,226 family nurse practitioner records in Missouri.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Melva Evans, NPSaint Robert, MO 655841558825430
  2. Catherine Gray, FNPSt Robert, MO 655841497893440
  3. Rachel Nix, CNPSt Robert, MO 655841194267708
  4. Melissa Reynolds, NPSaint Robert, MO 655841689227902
  5. Carrie Rutledge, FNPSaint Robert, MO 655841992183511
  6. Brittany WilsonSaint Robert, MO 655841023881943
  7. Jennifer Ellis, FNP-CWaynesville, MO 655831073268660
  8. Maci FeldmannWaynesville, MO 655831417827577

Common questions

What is Mark Jeffrey Allen, FNP-BC's NPI number?

Mark Jeffrey Allen, FNP-BC's National Provider Identifier (NPI) is 1134791411, issued on Jul 15, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mark Jeffrey Allen, FNP-BC located?

The NPPES record lists a practice address at 608 Old Route 66, Saint Robert, MO, 65584. Phone: (573) 336-5100. Providers update this record themselves, so call before visiting.

How can I verify Mark Jeffrey Allen, FNP-BC's license?

NPPES lists Missouri license number 2021027706, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Jeffrey Allen, FNP-BC prescribe under Medicare Part D?

In 2024, Mark Jeffrey Allen, FNP-BC had 370 Medicare Part D claims for 263 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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. 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.