NPPES file of Aug 9, 2026

Maria R. Hellkamp, ARNP

Nurse Practitioner · Saint Louis, MO

Maria R. Hellkamp, ARNP is a nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1235297334, issued on Dec 4, 2006. Check the license (Missouri 2025042317, 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
1235297334
Name
Maria R. Hellkamp
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
2025042317 MO
ARNP2621152 FL
Self-reported in NPPES; status is on the state search
Practice location
1201 S Grand Blvd, Saint Louis, MO 63104
Phone
(314) 617-2000
Enumerated
Dec 4, 2006
Record last updated
Oct 14, 2025
Medicare enrollment
Enrolled (PECOS I20251016003722); 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 1201 S Grand Blvd

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

  1. Daniel Aaronson, M.D.Neurological Surgery Physician1679937908
  2. Brian Abboud, MDStudent in an Organized Health Care Education/Training Program1134821879
  3. Catherine Aber, MDStudent in an Organized Health Care Education/Training Program1215878293
  4. Krystel Abi KaramStudent in an Organized Health Care Education/Training Program1912708124
  5. Timothy Adrian, APRNAcute Care Nurse Practitioner1578437182
  6. Baris Afsar, M.D.Student in an Organized Health Care Education/Training Program1235976143

Verify Maria R. Hellkamp 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 2025042317
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average nurse practitioner in 2024

64 Medicare Part D claims for 21 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Maria Hellkamp64
  2. Specialty average1,109

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.

Industry payments in 2024: $592.75

13 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Hellkamp$592.75
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Maria R. Hellkamp among 1,720 nurse practitioner records in Missouri

Maria R. Hellkamp, ARNP 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 82% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1999 · 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.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jennifer Britt-LuddittSaint Louis, MO 631041437516952
  2. Shirley Campbell, NPSaint Louis, MO 631041760458434
  3. Virginia Clemons, RN CPNPSt Louis, MO 631041013976356
  4. Amy Cooley, NPSt Louis, MO 631041629580246
  5. Ann Lehrer, ACNPSaint Louis, MO 631041982907325
  6. Kathryn Lindsay, MSN, APRN-BC, AGPCNPSaint Louis, MO 631041578184065
  7. Stephanie Miller, NPSaint Louis, MO 631041639595069
  8. Tracy Moore, CPNPSaint Louis, MO 631041386771046

Common questions

What is Maria R. Hellkamp, ARNP's NPI number?

Maria R. Hellkamp, ARNP's National Provider Identifier (NPI) is 1235297334, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria R. Hellkamp, ARNP located?

The NPPES record lists a practice address at 1201 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 617-2000. Providers update this record themselves, so call before visiting.

How can I verify Maria R. Hellkamp, ARNP's license?

NPPES lists Missouri license number 2025042317, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Maria R. Hellkamp, ARNP prescribe under Medicare Part D?

In 2024, Maria R. Hellkamp, ARNP had 64 Medicare Part D claims for 21 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.