Doctor profile · Federal record

Dr. John Chi, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Boston, MA

  • NPI 1649473000
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 525-8142

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 26, 2008
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Massachusetts #235576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649473000. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,349
Distinct HCPCS
10
Medicare allowed
$558,839
HCPCS Description Services Patients Avg allowed
22614 Fusion of additional segment of spine 206 75 $408
99203 New patient office or other outpatient visit, 30-44 minutes 181 181 $88
99213 Established patient office or other outpatient visit, 20-29 minutes 136 120 $70
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 89 39 $221
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 83 53 $264
99214 Established patient office or other outpatient visit, 30-39 minutes 82 77 $103
99204 New patient office or other outpatient visit, 45-59 minutes 60 60 $140
22612 Fusion of spine in lower back 57 54 $1,660
61783 Computer-assisted spinal procedure 56 54 $243
22842 Placement of stabilizing device to back, 3-6 spine bone segments 46 45 $801

In context: peer comparison

Among 38 peers in Boston Neurological Surgery Physician, average services per provider: 39. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19,316
Transactions
66
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 43 $13,549.05
Orthofix Medical, INC. 1 $2,778.75
Globus Medical, INC. 9 $813.54
Medical Device Business Services, INC. 3 $753.00
Ctl Medical Corporation 2 $643.96
DePuy Synthes Sales INC. 4 $367.58
Carlsmed, INC. 1 $176.32
Icotec Medical INC. 1 $152.26
NanoHive Medical LLC 1 $50.80
Bioventus LLC 1 $31.03

By nature of payment

Consulting Fee
$11,801
Food and Beverage
$4,046
Travel and Lodging
$3,469

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
42
Patients
34
Total drug cost
$402
Drug Type Claims Patients Total cost
Methylprednisolone Generic 42 34 $402

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Chi's medical specialty?
Dr. John Chi practices Neurological Surgery Physician in Boston, MA.
Where does Dr. John Chi practice?
Dr. John Chi practices at 75 Francis St, Boston, MA 021156110. Office phone: 6175258142.
What is Dr. John Chi's NPI?
Dr. John Chi's National Provider Identifier (NPI) is 1649473000, issued by NPPES.
Does Dr. John Chi accept Medicare assignment?
Yes. Dr. John Chi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Chi commonly perform?
Top Medicare-reported procedures in 2023: Fusion of additional segment of spine (HCPCS 22614); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.