NPPES file of Aug 9, 2026

Mary Ann Gardiner, C.R.N.P

Family Nurse Practitioner · Arnold, MD

Mary Ann Gardiner, C.R.N.P is a family nurse practitioner with a practice address in Arnold, Maryland, and NPI 1164423455, issued on Aug 9, 2005. Check the license (Maryland R085255, as entered in NPPES) with the Maryland 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
1164423455
Name
Mary Ann Gardiner
Credential
C.R.N.P
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
R085255 MD
Self-reported in NPPES; status is on the state search
Practice location
1509 Ritchie Hwy, Arnold, MD 21012
Phone
(410) 757-7600
Enumerated
Aug 9, 2005
Record last updated
Aug 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(410) 626-8043
Medicaid ID
400109500 MD
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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Also registered at 1509 Ritchie Hwy

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

  1. Akber Ahmad, MDInternal Medicine Physician1578546941
  2. John Billon, MDFamily Medicine Physician1083714653
  3. Victoria BurdenPhysician Assistant1023894425
  4. Katie Clements, NPFamily Nurse Practitioner1952954331
  5. Olivia Cook, FNP-BCFamily Medicine Physician1114635638
  6. Amanda Curry, FNPNurse Practitioner1447594924

Verify Mary Ann Gardiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R085255
    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 Maryland license search

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Industry payments in 2024: $43.50

2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Ann Gardiner$43.50
  2. Specialty average$650.95

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

Mary Ann Gardiner among 4,124 family nurse practitioner records in Maryland

Mary Ann Gardiner, C.R.N.P is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2019 · 41% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family nurse practitioner records list a practice address in Arnold

They are 15 of the 307 NPPES records with a practice address in Arnold, and 4,124 family nurse practitioner records in Maryland.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Christine Bateman, CRNPArnold, MD 210121568024123
  2. Susan Chisholm, RN, CRNPArnold, MD 210121649210717
  3. Katie Clements, NPArnold, MD 210121952954331
  4. Lucy GatambiaArnold, MD 210121629333851
  5. Julia Kimbrough, CRNPArnold, MD 210121619417581
  6. Celisa McGrone, ARNPArnold, MD 210121770035248
  7. Molly McKinneyArnold, MD 210121649657982
  8. Kathleen Ogle, C.R.N.P.Arnold, MD 210121912909318

Common questions

What is Mary Ann Gardiner, C.R.N.P's NPI number?

Mary Ann Gardiner, C.R.N.P's National Provider Identifier (NPI) is 1164423455, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ann Gardiner, C.R.N.P located?

The NPPES record lists a practice address at 1509 Ritchie Hwy, Arnold, MD, 21012. Phone: (410) 757-7600. Providers update this record themselves, so call before visiting.

How can I verify Mary Ann Gardiner, C.R.N.P's license?

NPPES lists Maryland license number R085255, as entered by the provider. Search the Maryland 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. 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.