Mary Baker, NP
Nurse Practitioner · Morristown, NJ
Mary Baker, NP is a nurse practitioner with a practice address in Morristown, New Jersey, and NPI 1659336972, issued on Apr 19, 2006. Check the license (New Jersey 26NJ00025400, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Baker
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 26NJ00025400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (973) 971-7111
- Enumerated
- Apr 19, 2006
- Record last updated
- Nov 6, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060505000025); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,961 in New Jersey → Look up another NPI →
Also registered at 100 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 26NJ00025400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average nurse practitioner in 2024
291 Medicare Part D claims for 115 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 16 claims were for opioids.
Most prescribed
- Prednisone98 claims
- Neomycin Sulfate21 claims
- Metronidazole20 claims
- Cefadroxil19 claims
- Levothyroxine Sodium15 claims
- Gavilyte-G14 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: $2,567.99
149 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
Bills Medicare through one group practice
- Practice Associates Medical GroupMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Baker among 1,961 nurse practitioner records in New Jersey
Mary Baker, NP is one of 1,961 nurse practitioner records with a practice address in New Jersey. 76% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 86% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2019 among the 1,170 with a school on file
- Record last updated2018 · 39% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 nurse practitioner records list a practice address in Morristown
They are 76 of the 2,942 NPPES records with a practice address in Morristown, and 1,961 nurse practitioner records in New Jersey.
All 1,961 in New Jersey → Every provider in Morristown → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Maureen Baker, APNMorristown, NJ 079601902877640
- Nancy Bonnet, APNMorristown, NJ 079601295706042
- Patricia Breitwieser, APRNMorristown, NJ 079601619925658
- Donna Ilardi, NPMorristown, NJ 079601083611305
- Marie Johnson, RN,APN,CMorristown, NJ 079601306906227
- Elizabeth Langlois, APNMorristown, NJ 079601508835570
- Virginia Macko, NPCMorristown, NJ 079601639141211
- Donna Naturale, RN,NPMorristown, NJ 079601801976196
Common questions
What is Mary Baker, NP's NPI number?
Mary Baker, NP's National Provider Identifier (NPI) is 1659336972, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Baker, NP located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (973) 971-7111. Providers update this record themselves, so call before visiting.
How can I verify Mary Baker, NP's license?
NPPES lists New Jersey license number 26NJ00025400, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Baker, NP prescribe under Medicare Part D?
In 2024, Mary Baker, NP had 291 Medicare Part D claims for 115 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.
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.