NPPES file of Aug 9, 2026

Marissa Digregorio, DNP, AGNP

Adult Health Nurse Practitioner · Saint Louis, MO

Marissa Digregorio, DNP, AGNP is an adult health nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1700561321, issued on Jun 20, 2023. Check the license (Missouri 2023027196, 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
1700561321
Name
Marissa Digregorio
Credential
DNP, AGNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
2023027196 MO
Self-reported in NPPES; status is on the state search
Practice location
5034 Griffin RD, Saint Louis, MO 63128
Phone
(314) 843-7333
Enumerated
Jun 20, 2023
Record last updated
Jan 16, 2026
Fax
(314) 843-9946
Medicare enrollment
Enrolled (PECOS I20231003003104); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest adult health nurse practitioner records → All 794 in Missouri → Look up another NPI →

Also registered at 5034 Griffin RD

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

  1. Curt Calcaterra, M.D.Internal Medicine Physician1205827557
  2. Kathleen Cizek, M.D.Internal Medicine Physician1083605331
  3. James Ebel, M.D.Internal Medicine Physician1174504146
  4. Christopher Espana, M.D.Family Medicine Physician1003922634
  5. Robert Geekie, M.D.Internal Medicine Physician1528059730
  6. Kathryn Henderson, M.D.Internal Medicine Physician1962630434

Verify Marissa Digregorio 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 2023027196    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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10% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

1,152 Medicare Part D claims for 606 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Marissa Digregorio1,152
  2. Specialty average1,280

Most prescribed

  1. Methylprednisolone81 claims
  2. Amoxicillin-Clavulanate Potass79 claims
  3. Furosemide61 claims
  4. Methocarbamol55 claims
  5. Azithromycin52 claims
  6. Prednisone35 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.

Industry payments in 2024: $527.66

28 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marissa Digregorio$527.66
  2. Specialty average$946.40

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

Bills Medicare through one group practice

  1. American Multispecialty Group IncSaint Louis, MO

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

Marissa Digregorio among 794 adult health nurse practitioner records in Missouri

Marissa Digregorio, DNP, AGNP is one of 794 adult health nurse practitioner records with a practice address in Missouri. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 94% of them.

  • NPI issued2023 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2022 · median 2013 among the 399 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

332 adult health nurse practitioner records list a practice address in Saint Louis

They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 794 adult health nurse practitioner records in Missouri.

All 794 in Missouri → Every provider in Saint Louis → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Jennifer Benoist, NPSaint Louis, MO 631281124250816
  2. Lisa Davies, NPSaint Louis, MO 631281336454008
  3. Lisa Elles-Borrson, APRN,BCSaint Louis, MO 631281710990783
  4. Kathleen Fisher, RN, BC, ANPSaint Louis, MO 631281073501102
  5. Debra Foersterling, ANPSaint Louis, MO 631281710125497
  6. Patricia HawkinsSaint Louis, MO 631281558516286
  7. Laura Hughes, ANPSaint Louis, MO 631281528346475
  8. Pamela Lynn, RN, BC, ANPSaint Louis, MO 631281962490094

Common questions

What is Marissa Digregorio, DNP, AGNP's NPI number?

Marissa Digregorio, DNP, AGNP's National Provider Identifier (NPI) is 1700561321, issued on Jun 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Digregorio, DNP, AGNP located?

The NPPES record lists a practice address at 5034 Griffin RD, Saint Louis, MO, 63128. Phone: (314) 843-7333. Providers update this record themselves, so call before visiting.

How can I verify Marissa Digregorio, DNP, AGNP's license?

NPPES lists Missouri license number 2023027196, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Marissa Digregorio, DNP, AGNP prescribe under Medicare Part D?

In 2024, Marissa Digregorio, DNP, AGNP had 1,152 Medicare Part D claims for 606 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

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.