Doctor profile · Federal record
Dr. Keith Mackay, PA-C
Orthopaedic Surgery Physician (CMS: Physician Assistant) · Student in an Organized Health Care Education/Training Program · South Weymouth, MA
- NPI 1174184477
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 7 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Fogg RD
South Weymouth, MA 021902455
(781) 792-4121 - Additional location
-
1367 Washington Ave Ste 200
Albany, NY 122061048
(518) 289-2666
Credentials & registration
- NPI registered
- June 2019 — 7 yrs on file
- Profile last updated
- January 18, 2023
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- New York #024838
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174184477. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
69
Distinct HCPCS
4
Medicare allowed
$9,085
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 31 | 31 | $107 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $157 | |
27236 |
Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement | 12 | 12 | $177 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $117 |
In context: peer comparison
Among 1 peers in South Weymouth Orthopaedic Surgery Physician, average services per provider: 17. This provider delivers 4.1× the peer median.Open Payments
Industry payments received
All-time total
$31
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Solventum Corporation | 1 | $30.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
108
Patients
107
Total drug cost
$629
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 45 | 45 | $251 |
| Ondansetron Odt (Ondansetron) | Brand | 39 | 38 | $172 |
| Tramadol Hcl | Generic | 13 | 13 | $81 |
| Cephalexin | Generic | 11 | 11 | $126 |
Hospital affiliations
Frequently asked questions
What is Dr. Keith Mackay's medical specialty?
Dr. Keith Mackay practices Orthopaedic Surgery Physician in South Weymouth, MA.
Where does Dr. Keith Mackay practice?
Dr. Keith Mackay practices at 55 Fogg RD, South Weymouth, MA 021902455. Office phone: 7817924121.
What is Dr. Keith Mackay's NPI?
Dr. Keith Mackay's National Provider Identifier (NPI) is 1174184477, issued by NPPES.
Does Dr. Keith Mackay accept Medicare assignment?
Yes. Dr. Keith Mackay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Mackay commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement (HCPCS 27236). Source: CMS Medicare Physician & Other Practitioners file.