Doctor profile · Federal record
Dr. Mark Loewen, D.O.
Emergency Medicine Physician (CMS: Emergency Medicine) · Bakersfield, CA
- NPI 1558625830
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10717 Rising Sun Dr
Bakersfield, CA 933122924
(661) 330-1857 - Mailing address
-
1700 Mount Vernon Ave
Bakersfield, CA 933064018
Credentials & registration
- NPI registered
- July 2012 — 14 yrs on file
- Profile last updated
- December 22, 2015
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #20A13155
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558625830. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
572
Distinct HCPCS
6
Medicare allowed
$89,586
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 286 | 279 | $189 | |
99284 |
Emergency department visit with moderate level of medical decision making | 110 | 107 | $130 | |
99291 |
Critical care, first 30-74 minutes | 65 | 64 | $235 | |
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 64 | 64 | $8 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 35 | 35 | $134 | |
99283 |
Emergency department visit with low level of medical decision making | 12 | 12 | $77 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 116. This provider delivers 4.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
149
Patients
148
Total drug cost
$1,771
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 27 | $135 |
| Cephalexin | Generic | 26 | 26 | $325 |
| Methylprednisolone | Generic | 18 | 18 | $168 |
| Ibuprofen | Generic | 16 | 16 | $68 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 14 | 13 | $500 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 14 | 14 | $165 |
| Ondansetron Odt (Ondansetron) | Brand | 12 | 12 | $100 |
| Ciprofloxacin Hcl | Generic | 11 | 11 | $106 |
| Doxycycline Hyclate | Generic | 11 | 11 | $205 |
Frequently asked questions
What is Dr. Mark Loewen's medical specialty?
Dr. Mark Loewen practices Emergency Medicine Physician in Bakersfield, CA.
Where does Dr. Mark Loewen practice?
Dr. Mark Loewen practices at 10717 Rising Sun Dr, Bakersfield, CA 933122924. Office phone: 6613301857.
What is Dr. Mark Loewen's NPI?
Dr. Mark Loewen's National Provider Identifier (NPI) is 1558625830, issued by NPPES.
Does Dr. Mark Loewen accept Medicare assignment?
Yes. Dr. Mark Loewen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Loewen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.