Doctor profile · Federal record

Dr. Jeffrey William, M.D.

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Boston, MA

  • NPI 1033439716
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Pilgrim RD, Libby 2
Boston, MA 022155332
(617) 632-9880
fax (617) 632-9890

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
September 8, 2015
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Massachusetts #252503 · Massachusetts #244088

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033439716. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,630
Distinct HCPCS
10
Medicare allowed
$183,791
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 236 115 $8
82570 Creatinine level to test for kidney function or muscle injury 232 126 $5
83735 Magnesium level 217 115 $7
82043 Urine microalbumin (protein) level 216 123 $6
99214 Established patient office or other outpatient visit, 30-39 minutes 203 133 $103
83970 Parathormone (parathyroid hormone) level 198 106 $40
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 195 93 $83
84100 Phosphate level 184 109 $5
84520 Urea nitrogen level to assess kidney function, quantitative 165 91 $4
80051 Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) 158 86 $7

In context: peer comparison

Among 73 peers in this city , average services per provider: 137. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$127
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $127.31

By nature of payment

Food and Beverage
$127

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
867
Patients
230
Total drug cost
$200,361
Drug Type Claims Patients Total cost
Calcitriol Generic 153 48 $3,722
Losartan Potassium Generic 126 44 $3,049
Amlodipine Besylate Generic 86 32 $1,117
Lisinopril Generic 76 28 $986
Sevelamer Carbonate Generic 67 20 $7,486
Jardiance (Empagliflozin) Brand 59 16 $66,903
Farxiga (Dapagliflozin Propanediol) Brand 52 15 $63,509
Spironolactone Generic 46 13 $858
Torsemide Generic 39 14 $1,330
Potassium Citrate Er (Potassium Citrate) Brand 36 0 $3,780

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey William's medical specialty?
Dr. Jeffrey William practices Nephrology Physician in Boston, MA.
Where does Dr. Jeffrey William practice?
Dr. Jeffrey William practices at 171 Pilgrim RD, Boston, MA 022155332. Office phone: 6176329880.
What is Dr. Jeffrey William's NPI?
Dr. Jeffrey William's National Provider Identifier (NPI) is 1033439716, issued by NPPES.
Does Dr. Jeffrey William accept Medicare assignment?
Yes. Dr. Jeffrey William accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey William commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Creatinine level to test for kidney function or muscle injury (HCPCS 82570); Magnesium level (HCPCS 83735). Source: CMS Medicare Physician & Other Practitioners file.