Doctor profile · Federal record
Dr. Robert Hasserjian, MD
Hematology (Pathology) Physician (CMS: Pathology) · Anatomic Pathology Physician · Boston, MA
- NPI 1285625574
- Accepts Medicare
- 36 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St, Wrn 225
Boston, MA 021142696
(617) 724-1445
fax (617) 726-7474 - Mailing address
-
Po Box 9142
Charlestown, MA 021299142
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207ZH0000X — NUCC code
- State license (1)
- Massachusetts #80560
- Medicaid
- MA #3139514
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285625574. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,607
Distinct HCPCS
10
Medicare allowed
$95,738
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 701 | 137 | $30 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 281 | 211 | $39 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 243 | 176 | $13 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 210 | 187 | $13 | |
85097 |
Bone marrow, smear interpretation | 199 | 176 | $51 | |
88360 |
Microscopic genetic analysis of tumor, manual | 178 | 116 | $44 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 174 | 162 | $37 | |
88187 |
Flow cytometry technique for dna or cell analysis, 2 to 8 markers | 130 | 115 | $37 | |
85060 |
Blood smear interpretation by physician with written report | 105 | 95 | $26 | |
88189 |
Flow cytometry technique for dna or cell analysis, 16 or more markers | 100 | 83 | $89 |
In context: peer comparison
Among 1 peers in Boston Hematology (Pathology) Physician, average services per provider: 162. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$9,135
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bluebird Bio, INC. | 1 | $6,300.00 | |
| Servier Pharmaceuticals LLC | 5 | $2,834.94 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Robert Hasserjian's medical specialty?
Dr. Robert Hasserjian practices Hematology (Pathology) Physician in Boston, MA.
Where does Dr. Robert Hasserjian practice?
Dr. Robert Hasserjian practices at 55 Fruit St, Boston, MA 021142696. Office phone: 6177241445.
What is Dr. Robert Hasserjian's NPI?
Dr. Robert Hasserjian's National Provider Identifier (NPI) is 1285625574, issued by NPPES.
Does Dr. Robert Hasserjian accept Medicare assignment?
Yes. Dr. Robert Hasserjian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Hasserjian commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.