Doctor profile · Federal record
Dr. Karl Johsens, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Hospice and Palliative Medicine (Internal Medicine) Physician · Santa Cruz, CA
- NPI 1295948727
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1595 Soquel Dr Ste 340
Santa Cruz, CA 950651722
(831) 425-1279
fax (831) 425-3500
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- July 11, 2019
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #G84030 · California #G084030
- Medicaid
- CA #00G840300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295948727. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,557
Distinct HCPCS
10
Medicare allowed
$169,841
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 546 | 194 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 428 | 150 | $99 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 148 | 148 | $142 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 135 | 129 | $16 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 78 | 52 | $63 | |
G0008 |
Administration of influenza virus vaccine | 58 | 58 | $34 | |
90662 |
Influenza vaccine split virus, preservative free | 56 | 56 | $72 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 43 | 31 | $196 | |
99496 |
Transitional care management services for problem of high complexity | 21 | 18 | $250 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 19 | 16 | $8 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 112. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,517
Patients
421
Total drug cost
$28,847
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 221 | 55 | $2,844 |
| Rosuvastatin Calcium | Generic | 151 | 46 | $4,003 |
| Losartan Potassium | Generic | 131 | 36 | $2,683 |
| Amlodipine Besylate | Generic | 105 | 30 | $1,195 |
| Omeprazole | Generic | 99 | 33 | $1,479 |
| Tamsulosin Hcl | Generic | 99 | 34 | $3,186 |
| Levothyroxine Sodium | Generic | 95 | 24 | $2,066 |
| Escitalopram Oxalate | Generic | 91 | 25 | $2,397 |
| Metoprolol Succinate | Generic | 91 | 24 | $2,070 |
| Lorazepam | Generic | 81 | 20 | $471 |
Hospital affiliations
Frequently asked questions
What is Dr. Karl Johsens's medical specialty?
Dr. Karl Johsens practices Internal Medicine Physician in Santa Cruz, CA.
Where does Dr. Karl Johsens practice?
Dr. Karl Johsens practices at 1595 Soquel Dr Ste 340, Santa Cruz, CA 950651722. Office phone: 8314251279.
What is Dr. Karl Johsens's NPI?
Dr. Karl Johsens's National Provider Identifier (NPI) is 1295948727, issued by NPPES.
Does Dr. Karl Johsens accept Medicare assignment?
Yes. Dr. Karl Johsens accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Johsens commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.