Doctor profile · Federal record

Dr. Earl Nielsen, MD

Nephrology Physician (CMS: Internal Medicine) · Morristown, NJ

  • NPI 1770550030
  • Accepts Medicare
  • 60 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
435 South St, Suite 210
Morristown, NJ 079606422
(973) 971-7165
Mailing address
Po Box 416457
Boston, MA 022416457

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
September 27, 2016
Year of graduation
1966 — 60 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
New Jersey #MA026976
Medicaid
NJ #0607703

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770550030. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
301
Distinct HCPCS
6
Medicare allowed
$28,859
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 124 90 $99
99214 Established patient office or other outpatient visit, 30-39 minutes 101 68 $137
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 28 26 $16
G0008 Administration of influenza virus vaccine 18 18 $34
90662 Influenza vaccine split virus, preservative free 17 17 $71
G0009 Administration of pneumococcal vaccine 13 12 $34

In context: peer comparison

Among 5 peers in Morristown Nephrology Physician, average services per provider: 185. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$877
Transactions
39
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 10 $315.27
Bayer Healthcare Pharmaceuticals INC. 2 $142.99
Otsuka America Pharmaceutical, INC. 6 $90.87
Abbott Laboratories 4 $67.47
Exact Sciences Corporation 2 $48.36
Dynavax Technologies Corporation 4 $38.04
Pfizer INC. 2 $30.89
Abbvie INC. 2 $29.11
Lilly USA, LLC 1 $17.82
GlaxoSmithKline, LLC. 1 $17.00
Novartis Pharmaceuticals Corporation 1 $16.96
Eisai INC. 1 $16.35
Phathom Pharmaceuticals, INC. 1 $16.18
Amgen INC. 1 $15.45
Esperion Therapeutics, INC. 1 $14.62

By nature of payment

Food and Beverage
$877

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
823
Patients
245
Total drug cost
$132,265
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 134 41 $1,031
Rosuvastatin Calcium Generic 98 36 $1,018
Alprazolam Generic 66 13 $339
Metformin Hcl ER (Metformin Hcl) Brand 56 23 $802
Trulicity (Dulaglutide) Brand 54 0 $77,858
Jardiance (Empagliflozin) Brand 53 14 $46,868
Lisinopril Generic 47 14 $324
Losartan Potassium Generic 47 20 $661
Tramadol Hcl Generic 45 16 $220
Gabapentin Generic 41 14 $923

Frequently asked questions

Auto-generated from federal data
What is Dr. Earl Nielsen's medical specialty?
Dr. Earl Nielsen practices Nephrology Physician in Morristown, NJ.
Where does Dr. Earl Nielsen practice?
Dr. Earl Nielsen practices at 435 South St, Morristown, NJ 079606422. Office phone: 9739717165.
What is Dr. Earl Nielsen's NPI?
Dr. Earl Nielsen's National Provider Identifier (NPI) is 1770550030, issued by NPPES.
Does Dr. Earl Nielsen accept Medicare assignment?
Yes. Dr. Earl Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Earl Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.