Doctor profile · Federal record
Dr. Olivia Diamond, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Cambridge, MA
- NPI 1306251087
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Mount Auburn St
Cambridge, MA 021385502
(617) 492-3500
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #260617
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306251087. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
791
Distinct HCPCS
5
Medicare allowed
$89,450
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 426 | 190 | $89 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 146 | 75 | $133 | |
99239 |
Hospital discharge day management, more than 30 minutes | 94 | 92 | $128 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 81 | 81 | $145 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 44 | 44 | $194 |
In context: peer comparison
Among 70 peers in Cambridge Internal Medicine Physician, average services per provider: 94. This provider delivers 8.4× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Olivia Diamond's medical specialty?
Dr. Olivia Diamond practices Internal Medicine Physician in Cambridge, MA.
Where does Dr. Olivia Diamond practice?
Dr. Olivia Diamond practices at 330 Mount Auburn St, Cambridge, MA 021385502. Office phone: 6174923500.
What is Dr. Olivia Diamond's NPI?
Dr. Olivia Diamond's National Provider Identifier (NPI) is 1306251087, issued by NPPES.
Does Dr. Olivia Diamond accept Medicare assignment?
Yes. Dr. Olivia Diamond accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olivia Diamond commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.