Joanne Silbert-Flagg, C.R.N.P.
Pediatric Nurse Practitioner · Columbia, MD
Joanne Silbert-Flagg, C.R.N.P. is a pediatric nurse practitioner with a practice address in Columbia, Maryland, and NPI 1306872148, issued on Jun 23, 2006. Check the license (Maryland R070053, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanne Silbert-Flagg
- Credential
- C.R.N.P.
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License number
- R070053 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5450 Knoll North Dr, Columbia, MD 21045
- Phone
- (410) 964-6300
- Enumerated
- Jun 23, 2006
- Record last updated
- Mar 18, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 964-2667
- Entity
- Type 1 · individual
8 nearest pediatric nurse practitioner records → All 585 in Maryland → Look up another NPI →
Also registered at 5450 Knoll North Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanne Silbert-Flagg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R070053Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $14.45
1 payment: food and beverage; the largest payer was Cranial Technologies, Inc. The 7,169 providers of this specialty with any payment received $330.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joanne Silbert-Flagg among 585 pediatric nurse practitioner records in Maryland
Joanne Silbert-Flagg, C.R.N.P. is one of 585 pediatric nurse practitioner records with a practice address in Maryland. 38% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 81% newer
- In a Medicare fileYes · 38% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nurse Practitioner providers in Maryland
There are 585 pediatric nurse practitioner records in Maryland.
All 585 in Maryland → Every provider in Columbia → Pediatric Nurse Practitioner nationwide →
The 8 pediatric nurse practitioner records with the nearest ZIP codes
- Annette Baldwin, CRNPColumbia, MD 210451154453900
- Melissa Beyer-Thistle, M.S., C.R.N.P.Columbia, MD 210451457363129
- Jennifer Friedman, PNPColumbia, MD 210451508926882
- Lillian Grybauskas, CPNP, CNSColumbia, MD 210451871870147
- Ambyr Klink, CRPNPColumbia, MD 210451336563576
- Elizabeth Lancos, M.S., C.R.N.P.Columbia, MD 210451639181316
- Eleanor Merboth, CRNPColumbia, MD 210451386924991
- Ashley Palumbo, CPNPColumbia, MD 210451851631832
Common questions
What is Joanne Silbert-Flagg, C.R.N.P.'s NPI number?
Joanne Silbert-Flagg, C.R.N.P.'s National Provider Identifier (NPI) is 1306872148, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joanne Silbert-Flagg, C.R.N.P. located?
The NPPES record lists a practice address at 5450 Knoll North Dr, Columbia, MD, 21045. Phone: (410) 964-6300. Providers update this record themselves, so call before visiting.
How can I verify Joanne Silbert-Flagg, C.R.N.P.'s license?
NPPES lists Maryland license number R070053, 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.