Doctor profile · Federal record

Dr. Alexander Christakis, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Anatomic Pathology & Clinical Pathology Physician · Boston, MA

  • NPI 1538512231
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 732-5500
Additional location
1290 Silas Deane Hwy Ste 101
Wethersfield, CT 061094337
(860) 859-9061
fax (860) 889-6200
Additional location
110 Clock Tower Sq Ste 100
Portsmouth, RI 028711396
(401) 293-5600
Mailing address
75 Francis Street, Brigham and Women's Hospital
Boston, MA 02115

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
April 2, 2026
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (3)
Massachusetts #278394 · Massachusetts #267112 · Rhode Island #MD17375

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538512231. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,466
Distinct HCPCS
10
Medicare allowed
$198,218
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 2,274 895 $57
88305 Pathology examination of tissue using a microscope, intermediate complexity 431 164 $37
88342 Special stained specimen slides to examine tissue, initial procedure 297 263 $74
88312 Special stained specimen slides to identify organisms including interpretation and report 129 121 $106
88313 Special stained specimen slides to examine tissue including interpretation and report 117 117 $77
88342 Special stained specimen slides to examine tissue, initial procedure 95 77 $35
88341 Special stained specimen slides to examine tissue, each additional procedure 49 18 $28
88341 Special stained specimen slides to examine tissue, each additional procedure 39 13 $74
88304 Pathology examination of tissue using a microscope, moderately low complexity 21 19 $11
88311 Preparation of tissue for examination by removing any calcium present 14 14 $12

In context: peer comparison

Among 76 peers in this city , average services per provider: 122. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., Inc. 1 $33.14

By nature of payment

Food and Beverage
$33

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Christakis's medical specialty?
Dr. Alexander Christakis practices Anatomic Pathology & Clinical Pathology Physician in Boston, MA.
Where does Dr. Alexander Christakis practice?
Dr. Alexander Christakis practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Alexander Christakis's NPI?
Dr. Alexander Christakis's National Provider Identifier (NPI) is 1538512231, issued by NPPES.
Does Dr. Alexander Christakis accept Medicare assignment?
Yes. Dr. Alexander Christakis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Christakis commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.