Doctor profile · Federal record
Dr. Tom-Oliver Klein, MD
Internal Medicine Physician (CMS: Internal Medicine) · Chula Vista, CA
- NPI 1235161787
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
525 3Rd Ave
Chula Vista, CA 919105616
(619) 499-2600
fax (619) 585-4353
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 24, 2013
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #C53959
- Medicaid
- NM #47761
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235161787. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
895
Distinct HCPCS
5
Medicare allowed
$113,631
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 327 | 130 | $120 | |
99497 |
Advance care planning, first 30 minutes | 193 | 181 | $76 | |
99239 |
Hospital discharge day management, more than 30 minutes | 176 | 162 | $116 | |
99291 |
Critical care, first 30-74 minutes | 121 | 53 | $212 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 78 | 77 | $175 |
In context: peer comparison
Among 32 peers in Chula Vista Internal Medicine Physician, average services per provider: 140. This provider delivers 6.4× the peer median.Open Payments
Industry payments received
All-time total
$122
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 1 | $121.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
117
Patients
117
Total drug cost
$1,173
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 26 | 26 | $373 |
| Atorvastatin Calcium | Generic | 21 | 21 | $307 |
| Metoprolol Succinate | Generic | 19 | 19 | $176 |
| Prednisone | Generic | 16 | 16 | $44 |
| Azithromycin | Generic | 12 | 12 | $83 |
| Ciprofloxacin Hcl | Generic | 12 | 12 | $89 |
| Pantoprazole Sodium | Generic | 11 | 11 | $101 |
Hospital affiliations
Frequently asked questions
What is Dr. Tom-Oliver Klein's medical specialty?
Dr. Tom-Oliver Klein practices Internal Medicine Physician in Chula Vista, CA.
Where does Dr. Tom-Oliver Klein practice?
Dr. Tom-Oliver Klein practices at 525 3Rd Ave, Chula Vista, CA 919105616. Office phone: 6194992600.
What is Dr. Tom-Oliver Klein's NPI?
Dr. Tom-Oliver Klein's National Provider Identifier (NPI) is 1235161787, issued by NPPES.
Does Dr. Tom-Oliver Klein accept Medicare assignment?
Yes. Dr. Tom-Oliver Klein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tom-Oliver Klein commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Advance care planning (HCPCS 99497); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.