Doctor profile · Federal record
Dr. Guy Katz, M.D.
Rheumatology Physician (CMS: Rheumatology) · Boston, MA
- NPI 1285168187
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St, Yawkey 4B
Boston, MA 021142696
(617) 726-7938
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- June 6, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Massachusetts #291283
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285168187. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
154
Distinct HCPCS
2
Medicare allowed
$20,876
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 107 | 65 | $150 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 47 | 39 | $104 |
In context: peer comparison
Among 41 peers in Boston Rheumatology Physician, average services per provider: 68. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$3,751
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 4 | $3,751.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
288
Patients
26
Total drug cost
$727,623
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 56 | 26 | $591 |
| Allopurinol | Generic | 28 | 0 | $708 |
| Actemra (Tocilizumab) | Brand | 25 | 0 | $121,058 |
| Enbrel Sureclick (Etanercept) | Brand | 22 | 0 | $169,528 |
| Methotrexate (Methotrexate Sodium) | Brand | 22 | 0 | $1,297 |
| Hydroxychloroquine Sulfate | Generic | 19 | 0 | $1,487 |
| Humira(Cf) Pen (Adalimumab) | Brand | 18 | 0 | $136,165 |
| Leucovorin Calcium | Generic | 16 | 0 | $723 |
| Alendronate Sodium | Generic | 15 | 0 | $108 |
| Colchicine | Generic | 15 | 0 | $951 |
Hospital affiliations
Frequently asked questions
What is Dr. Guy Katz's medical specialty?
Dr. Guy Katz practices Rheumatology Physician in Boston, MA.
Where does Dr. Guy Katz practice?
Dr. Guy Katz practices at 55 Fruit St, Boston, MA 021142696. Office phone: 6177267938.
What is Dr. Guy Katz's NPI?
Dr. Guy Katz's National Provider Identifier (NPI) is 1285168187, issued by NPPES.
Does Dr. Guy Katz accept Medicare assignment?
Yes. Dr. Guy Katz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guy Katz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.