Doctor profile · Federal record
Dr. Erik Finlayson, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Mission Viejo, CA
- NPI 1942470893
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
26732 Crown Valley Pkwy Ste 170
Mission Viejo, CA 926916337
(949) 365-2444
fax (949) 365-2356 - Additional location
-
27700 Medical Center RD
Mission Viejo, CA 926916426
(949) 364-6000
fax (949) 309-6412 - Mailing address
-
27700 Medical Center RD
Mission Viejo, CA 926916426
Credentials & registration
- NPI registered
- March 2008 — 18 yrs on file
- Profile last updated
- October 22, 2021
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A101340
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942470893. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
786
Distinct HCPCS
8
Medicare allowed
$82,621
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 328 | 136 | $83 | |
99239 |
Hospital discharge day management, more than 30 minutes | 152 | 144 | $121 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 113 | 110 | $137 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 70 | 35 | $125 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 63 | 40 | $52 | |
99238 |
Hospital discharge day management, 30 minutes or less | 25 | 24 | $86 | |
99291 |
Critical care, first 30-74 minutes | 22 | 12 | $222 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $182 |
In context: peer comparison
Among 22 peers in this city , average services per provider: 176. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$27
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $27.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
106
Patients
84
Total drug cost
$10,023
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 16 | 11 | $111 |
| Eliquis (Apixaban) | Brand | 15 | 12 | $9,469 |
| Levofloxacin | Generic | 15 | 15 | $85 |
| Metronidazole | Generic | 13 | 13 | $76 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 12 | 11 | $75 |
| Furosemide | Generic | 12 | 11 | $29 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 12 | 11 | $82 |
| Pantoprazole Sodium | Generic | 11 | 0 | $96 |
Hospital affiliations
Frequently asked questions
What is Dr. Erik Finlayson's medical specialty?
Dr. Erik Finlayson practices Internal Medicine Physician in Mission Viejo, CA.
Where does Dr. Erik Finlayson practice?
Dr. Erik Finlayson practices at 26732 Crown Valley Pkwy Ste 170, Mission Viejo, CA 926916337. Office phone: 9493652444.
What is Dr. Erik Finlayson's NPI?
Dr. Erik Finlayson's National Provider Identifier (NPI) is 1942470893, issued by NPPES.
Does Dr. Erik Finlayson accept Medicare assignment?
Yes. Dr. Erik Finlayson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erik Finlayson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.