Doctor profile · Federal record
Dr. Karl Wittnebel, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Los Angeles, CA
- NPI 1649263591
- Accepts Medicare
- MIPS 78.8 / 100 · 2023
- 27 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8700 Beverly Blvd, Becker B113, Cedars Sinai Medical Center - General Internal Medicine
Los Angeles, CA 90048
(310) 423-6325
fax (310) 423-0436
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- September 28, 2007
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #C52959 · Maryland #D0062222
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649263591. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
247
Distinct HCPCS
4
Medicare allowed
$31,040
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 137 | 41 | $101 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 42 | 21 | $151 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 12 | $127 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 33 | 33 | $194 |
In context: peer comparison
Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
245
Patients
43
Total drug cost
$40,560
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 104 | 27 | $28,887 |
| Oxycodone Hcl | Generic | 64 | 16 | $944 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 25 | 0 | $548 |
| Buprenorphine Hcl | Generic | 22 | 0 | $1,778 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 17 | 0 | $197 |
| Suboxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 13 | 0 | $8,206 |
Hospital affiliations
Frequently asked questions
What is Dr. Karl Wittnebel's medical specialty?
Dr. Karl Wittnebel practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Karl Wittnebel practice?
Dr. Karl Wittnebel practices at 8700 Beverly Blvd, Becker B113, Los Angeles, CA 90048. Office phone: 3104236325.
What is Dr. Karl Wittnebel's NPI?
Dr. Karl Wittnebel's National Provider Identifier (NPI) is 1649263591, issued by NPPES.
Does Dr. Karl Wittnebel accept Medicare assignment?
Yes. Dr. Karl Wittnebel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Wittnebel 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 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.