Doctor profile · Federal record
Dr. Nathan Mahler, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Riverside, CA
- NPI 1679009294
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4445 Magnolia Ave, Gme Office
Riverside, CA 925014135
(951) 788-3000
Credentials & registration
- NPI registered
- May 2017 — 9 yrs on file
- Profile last updated
- July 22, 2021
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- West Virginia #30584
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679009294. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
237
Distinct HCPCS
4
Medicare allowed
$29,986
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 112 | 108 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 80 | 79 | $163 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 18 | $73 | |
99238 |
Hospital discharge day management, 30 minutes or less | 11 | 11 | $74 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 160. This provider delivers 1.5× the peer median.Frequently asked questions
What is Dr. Nathan Mahler's medical specialty?
Dr. Nathan Mahler practices Internal Medicine Physician in Riverside, CA.
Where does Dr. Nathan Mahler practice?
Dr. Nathan Mahler practices at 4445 Magnolia Ave, Riverside, CA 925014135. Office phone: 9517883000.
What is Dr. Nathan Mahler's NPI?
Dr. Nathan Mahler's National Provider Identifier (NPI) is 1679009294, issued by NPPES.
Does Dr. Nathan Mahler accept Medicare assignment?
Yes. Dr. Nathan Mahler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Mahler commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.