Doctor profile · Federal record

Dr. Mary Baker, NP

Nurse Practitioner · Morristown, NJ

  • NPI 1659336972
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Madison Ave
Morristown, NJ 079606136
(973) 971-7111
Mailing address
Po Box 416457
Boston, MA 022416457

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 6, 2018
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New Jersey #26NJ00025400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659336972. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
1
Medicare allowed
$185
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 22 13 $8

In context: peer comparison

Among 22 peers in Morristown Nurse Practitioner, average services per provider: 85. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,568
Transactions
128
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 31 $414.52
Merck Sharp & Dohme LLC 16 $280.66
Novartis Pharmaceuticals Corporation 20 $273.19
AstraZeneca Pharmaceuticals Lp 12 $215.03
Qol Medical, LLC 1 $143.13
GlaxoSmithKline, LLC. 8 $139.93
PharmaEssentia USA Corporation 8 $133.03
E.R. Squibb & Sons, L.L.C. 6 $100.64
Janssen Biotech, INC. 5 $96.65
Bayer Healthcare Pharmaceuticals INC. 5 $91.28
Sun Pharmaceutical Industries INC. 4 $85.19
Lilly USA, LLC 4 $74.86
Genzyme Corporation 3 $70.48
Alexion Pharmaceuticals, INC. 3 $49.32
Exelixis INC. 2 $39.85

By nature of payment

Food and Beverage
$2,568

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
223
Patients
130
Total drug cost
$1,395
Drug Type Claims Patients Total cost
Prednisone Generic 98 30 $379
Metronidazole Generic 30 30 $45
Neomycin Sulfate Generic 29 29 $173
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 27 27 $483
Levothyroxine Sodium Generic 25 0 $173
Cefadroxil Generic 14 14 $143

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Baker's medical specialty?
Dr. Mary Baker practices Nurse Practitioner in Morristown, NJ.
Where does Dr. Mary Baker practice?
Dr. Mary Baker practices at 100 Madison Ave, Morristown, NJ 079606136. Office phone: 9739717111.
What is Dr. Mary Baker's NPI?
Dr. Mary Baker's National Provider Identifier (NPI) is 1659336972, issued by NPPES.
Does Dr. Mary Baker accept Medicare assignment?
Yes. Dr. Mary Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Baker commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.