Doctor profile · Federal record
Dr. Calvin Larsen, PA-C
Medical Physician Assistant · Student in an Organized Health Care Education/Training Program · Randallstown, MD
- NPI 1659033801
- 5 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
5401 Old Court RD
Randallstown, MD 211335103
(410) 521-2200 - Additional location
-
2000 W Baltimore St
Baltimore, MD 212231558
(410) 362-3000 - Additional location
-
2401 W Belvedere Ave
Baltimore, MD 212155216
(410) 601-9000
Credentials & registration
- NPI registered
- October 2021 — 5 yrs on file
- Profile last updated
- September 1, 2022
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- Maryland #C0008209
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659033801. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
180
Distinct HCPCS
5
Medicare allowed
$22,131
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 71 | 70 | $106 | |
99285 |
Emergency department visit with high level of medical decision making | 59 | 58 | $156 | |
99283 |
Emergency department visit with low level of medical decision making | 22 | 21 | $64 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 15 | $102 | |
99291 |
Critical care, first 30-74 minutes | 13 | 13 | $189 |
In context: peer comparison
Among 5 peers in Randallstown Medical Physician Assistant, average services per provider: 54. This provider delivers 3.3× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 1 | $15.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
54
Patients
12
Total drug cost
$606
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 16 | 0 | $124 |
| Metformin Hcl | Generic | 14 | 0 | $92 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 12 | 12 | $317 |
| Gabapentin | Generic | 12 | 0 | $73 |
Frequently asked questions
What is Dr. Calvin Larsen's medical specialty?
Dr. Calvin Larsen practices Medical Physician Assistant in Randallstown, MD.
Where does Dr. Calvin Larsen practice?
Dr. Calvin Larsen practices at 5401 Old Court RD, Randallstown, MD 211335103. Office phone: 4105212200.
What is Dr. Calvin Larsen's NPI?
Dr. Calvin Larsen's National Provider Identifier (NPI) is 1659033801, issued by NPPES.
What procedures does Dr. Calvin Larsen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.