Mary Beth Thier, NURSE PRACTITIONER
Acute Care Nurse Practitioner · Bel Air, MD
Mary Beth Thier, NURSE PRACTITIONER is an acute care nurse practitioner with a practice address in Bel Air, Maryland, and NPI 1386899045, issued on Nov 22, 2008. Check the license (Maryland R158577, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Beth Thier
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- R158577 MD
Self-reported in NPPES; status is on the state search - Practice location
- 602 S Atwood RD, Bel Air, MD 21014
- Phone
- (410) 638-7544
- Enumerated
- Nov 22, 2008
- Record last updated
- Jan 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090904000049); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 755 in Maryland → Look up another NPI →
Also registered at 602 S Atwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Beth Thier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R158577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Upper Chesapeake Critical Care Associates, LLCBel Air, MD
- Upper Chesapeake Medical Services IncBel Air, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Beth Thier among 755 acute care nurse practitioner records in Maryland
Mary Beth Thier, NURSE PRACTITIONER is one of 755 acute care nurse practitioner records with a practice address in Maryland. 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 2008, is newer than 13% of them.
- NPI issued2008 · 13% of these records are older, 82% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2017 among the 494 with a school on file
- Record last updated2019 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 acute care nurse practitioner records list a practice address in Bel Air
They are 25 of the 1,945 NPPES records with a practice address in Bel Air, and 755 acute care nurse practitioner records in Maryland.
All 755 in Maryland → Every provider in Bel Air → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Amanda Balzer-CostinBel Air, MD 210141740619469
- Sharon Campbell, CRNPBel Air, MD 210141093019945
- Rashidah Chisolm, CRNPBel Air, MD 210141033605621
- Caitlin Donis, ACNPBel Air, MD 210141477956555
- Barbara Donithan, AG-ACNP- BCBel Air, MD 210141346609161
- Larry Hilferding, CRNPBel Air, MD 210141386829737
- Laura Lewis, RN, MSN, ACNPBel Air, MD 210141760773881
- Ayo Mandi, CRNPBel Air, MD 210141174851422
Common questions
What is Mary Beth Thier, NURSE PRACTITIONER's NPI number?
Mary Beth Thier, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1386899045, issued on Nov 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary Beth Thier, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 602 S Atwood RD, Bel Air, MD, 21014. Phone: (410) 638-7544. Providers update this record themselves, so call before visiting.
How can I verify Mary Beth Thier, NURSE PRACTITIONER's license?
NPPES lists Maryland license number R158577, 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.