Doctor profile · Federal record
Dr. Lynn Larson, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Owosso, MI
- NPI 1104021765
- Accepts Medicare
- MIPS 53.4 / 100 · 2023
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
818 W King St Ste 101
Owosso, MI 488672159
(989) 729-4961
fax (989) 729-4958
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- October 16, 2024
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #5101017147
- Medicaid
- MI #1104021765
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104021765. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
358
Distinct HCPCS
9
Medicare allowed
$34,142
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99348 |
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 83 | 28 | $74 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 66 | 61 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 44 | 34 | $121 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 41 | 32 | $49 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 21 | $87 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 30 | 23 | $173 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 27 | $128 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 22 | 19 | $78 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $162 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 84. This provider delivers 4.3× the peer median.Open Payments
Industry payments received
All-time total
$88
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| VERTEX PHARMACEUTICALS INCORPORATED | 1 | $32.56 | |
| Lilly USA, LLC | 1 | $19.41 | |
| ABBVIE INC. | 1 | $17.81 | |
| Antares Pharma, Inc. | 1 | $17.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
960
Patients
140
Total drug cost
$34,741
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Quetiapine Fumarate | Generic | 120 | 20 | $1,405 |
| Trazodone Hcl | Generic | 111 | 29 | $928 |
| Levothyroxine Sodium | Generic | 98 | 12 | $1,154 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 80 | 16 | $523 |
| Metoprolol Succinate | Generic | 68 | 0 | $895 |
| Atorvastatin Calcium | Generic | 65 | 11 | $821 |
| Amlodipine Besylate | Generic | 59 | 13 | $506 |
| Furosemide | Generic | 53 | 13 | $311 |
| Metoprolol Tartrate | Generic | 51 | 0 | $377 |
| Diclofenac Sodium | Generic | 48 | 26 | $748 |
Hospital affiliations
Frequently asked questions
What is Dr. Lynn Larson's medical specialty?
Dr. Lynn Larson practices Internal Medicine Physician in Owosso, MI.
Where does Dr. Lynn Larson practice?
Dr. Lynn Larson practices at 818 W King St Ste 101, Owosso, MI 488672159. Office phone: 9897294961.
What is Dr. Lynn Larson's NPI?
Dr. Lynn Larson's National Provider Identifier (NPI) is 1104021765, issued by NPPES.
Does Dr. Lynn Larson accept Medicare assignment?
Yes. Dr. Lynn Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lynn Larson commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with low level of medical decision making (HCPCS 99348); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.