Doctor profile · Federal record
Dr. Walter Klein, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Internal Medicine Physician · Moreno Valley, CA
- NPI 1366645491
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
26520 Cactus Ave
Moreno Valley, CA 925553927
(951) 486-5700
fax (951) 486-5705 - Mailing address
-
P.O. Box 7270
Moreno Valley, CA 925527270
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- April 18, 2015
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- California #A97881
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366645491. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
349
Distinct HCPCS
5
Medicare allowed
$63,792
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 240 | 106 | $216 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 63 | 48 | $121 | |
94016 |
Test to measure expiratory airflow and volume initiated by patient and evaluated by provider | 17 | 17 | $25 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 15 | 15 | $99 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 14 | $176 |
In context: peer comparison
Among 4 peers in Moreno Valley Pulmonary Disease Physician, average services per provider: 54. This provider delivers 6.5× the peer median.Open Payments
Industry payments received
All-time total
$3,077
Transactions
7
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 6 | $3,060.86 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $16.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
232
Patients
23
Total drug cost
$119,996
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 82 | 23 | $4,080 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 44 | 0 | $29,870 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 23 | 0 | $8,889 |
| Montelukast Sodium | Generic | 17 | 0 | $321 |
| Dupixent Pen (Dupilumab) | Brand | 14 | 0 | $51,197 |
| Fluticasone Propionate | Generic | 14 | 0 | $220 |
| Omeprazole | Generic | 14 | 0 | $259 |
| Famotidine | Generic | 13 | 0 | $189 |
| Tadalafil | Generic | 11 | 0 | $24,970 |
Frequently asked questions
What is Dr. Walter Klein's medical specialty?
Dr. Walter Klein practices Pulmonary Disease Physician in Moreno Valley, CA.
Where does Dr. Walter Klein practice?
Dr. Walter Klein practices at 26520 Cactus Ave, Moreno Valley, CA 925553927. Office phone: 9514865700.
What is Dr. Walter Klein's NPI?
Dr. Walter Klein's National Provider Identifier (NPI) is 1366645491, issued by NPPES.
Does Dr. Walter Klein accept Medicare assignment?
Yes. Dr. Walter Klein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Klein commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Test to measure expiratory airflow and volume initiated by patient and evaluated by provider (HCPCS 94016). Source: CMS Medicare Physician & Other Practitioners file.