Doctor profile · Federal record
Dr. Paul Diehl, M.D.
Internal Medicine Physician (CMS: Hospice/Palliative Care) · West Hills, CA
- NPI 1336215607
- Accepts Medicare
- MIPS 85.9 / 100 · 2023
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
23101 Sherman Pl, Ste 302
West Hills, CA 913072047
(818) 347-1500
fax (818) 347-4119 - Mailing address
-
Po Box 77790
Corona, CA 928770126
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- July 21, 2020
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A044437
- Medicaid
- CA #000A44437
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336215607. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21,545
Distinct HCPCS
10
Medicare allowed
$517,411
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1071 |
Injection, testosterone cypionate, 1 mg | 17,000 | 13 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 2,232 | 353 | $138 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 434 | 70 | $125 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 269 | 227 | $193 | |
96372 |
Injection of drug or substance under skin or into muscle | 243 | 38 | $16 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 197 | 197 | $140 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 166 | 28 | $2 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 134 | 122 | $16 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 114 | 18 | $114 | |
90674 |
Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 110 | 108 | $33 |
In context: peer comparison
Among 7 peers in West Hills Internal Medicine Physician, average services per provider: 435. This provider delivers 50× the peer median.Open Payments
Industry payments received
All-time total
$635
Transactions
20
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 8 | $288.94 | |
| AstraZeneca Pharmaceuticals Lp | 5 | $198.33 | |
| GlaxoSmithKline, LLC. | 3 | $73.50 | |
| Lilly USA, LLC | 1 | $21.65 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $19.29 | |
| Amgen INC. | 1 | $18.40 | |
| Almatica Pharma LLC | 1 | $14.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,542
Patients
581
Total drug cost
$42,952
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 291 | 77 | $4,677 |
| Levothyroxine Sodium | Generic | 290 | 65 | $4,354 |
| Amlodipine Besylate | Generic | 264 | 62 | $2,690 |
| Alprazolam | Generic | 191 | 42 | $1,487 |
| Zolpidem Tartrate | Generic | 166 | 26 | $1,423 |
| Lisinopril | Generic | 158 | 37 | $2,333 |
| Losartan Potassium | Generic | 158 | 30 | $2,561 |
| Metoprolol Succinate | Generic | 155 | 46 | $3,198 |
| Gabapentin | Generic | 152 | 37 | $4,303 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 137 | 24 | $4,549 |
Hospital affiliations
Frequently asked questions
What is Dr. Paul Diehl's medical specialty?
Dr. Paul Diehl practices Internal Medicine Physician in West Hills, CA.
Where does Dr. Paul Diehl practice?
Dr. Paul Diehl practices at 23101 Sherman Pl, West Hills, CA 913072047. Office phone: 8183471500.
What is Dr. Paul Diehl's NPI?
Dr. Paul Diehl's National Provider Identifier (NPI) is 1336215607, issued by NPPES.
Does Dr. Paul Diehl accept Medicare assignment?
Yes. Dr. Paul Diehl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Diehl commonly perform?
Top Medicare-reported procedures in 2023: Injection, testosterone cypionate, 1 mg (HCPCS J1071); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.