Anne-Marie Sack, CRNP
Nurse Practitioner · Baltimore, MD
Anne-Marie Sack, CRNP is a nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1699003517, issued on Dec 4, 2009. Check the license (Maryland R109959, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anne-Marie Sack
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- R109959 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2401 W Belvedere Ave, Baltimore, MD 21215
- Phone
- (410) 601-5449
- Enumerated
- Dec 4, 2009
- Record last updated
- Aug 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (410) 601-5891
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,248 in Maryland → Look up another NPI →
Also registered at 2401 W Belvedere Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anne-Marie Sack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R109959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 76.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Anne-Marie Sack among 1,248 nurse practitioner records in Maryland
Anne-Marie Sack, CRNP is one of 1,248 nurse practitioner records with a practice address in Maryland. 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 2009, is newer than 34% of them.
- NPI issued2009 · 34% of these records are older, 65% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2010 · 48% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
366 nurse practitioner records list a practice address in Baltimore
They are 366 of the 35,183 NPPES records with a practice address in Baltimore, and 1,248 nurse practitioner records in Maryland.
All 1,248 in Maryland → Every provider in Baltimore → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
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- Natalia FeiginBaltimore, MD 212151912391004
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- Stacy Gwatura, CRNPBaltimore, MD 212151952764854
- Margaret MasonBaltimore, MD 212151033610746
- Chloe Parker, NPBaltimore, MD 212151508251240
Common questions
What is Anne-Marie Sack, CRNP's NPI number?
Anne-Marie Sack, CRNP's National Provider Identifier (NPI) is 1699003517, issued on Dec 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Anne-Marie Sack, CRNP located?
The NPPES record lists a practice address at 2401 W Belvedere Ave, Baltimore, MD, 21215. Phone: (410) 601-5449. Providers update this record themselves, so call before visiting.
How can I verify Anne-Marie Sack, CRNP's license?
NPPES lists Maryland license number R109959, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
What is Anne-Marie Sack, CRNP's MIPS final score?
The 2023 MIPS final score is 76.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.