Doctor profile · Federal record
Dr. Isabella Oldenburg, PA
Physician Assistant · Providence, RI
- NPI 1154882835
- Accepts Medicare
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
44 W River St
Providence, RI 029042609
(401) 274-4800 - Mailing address
-
Po Box 202230
Dallas, TX 753202230
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- October 15, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Rhode Island #PA01442
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154882835. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
235
Distinct HCPCS
4
Medicare allowed
$28,348
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 110 | 89 | $110 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 92 | 92 | $144 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 22 | 22 | $97 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $78 |
In context: peer comparison
Among 42 peers in Providence Physician Assistant, average services per provider: 90. This provider delivers 2.6× the peer median.Open Payments
Industry payments received
All-time total
$41
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Madrigal Pharmaceuticals | 1 | $40.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
314
Patients
261
Total drug cost
$12,664
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 189 | 189 | $4,198 |
| Omeprazole | Generic | 54 | 32 | $848 |
| Pantoprazole Sodium | Generic | 29 | 11 | $310 |
| Metronidazole | Generic | 16 | 16 | $165 |
| Doxycycline Hyclate | Generic | 13 | 13 | $255 |
| Linzess (Linaclotide) | Brand | 13 | 0 | $6,888 |
Hospital affiliations
Frequently asked questions
What is Dr. Isabella Oldenburg's medical specialty?
Dr. Isabella Oldenburg practices Physician Assistant in Providence, RI.
Where does Dr. Isabella Oldenburg practice?
Dr. Isabella Oldenburg practices at 44 W River St, Providence, RI 029042609. Office phone: 4012744800.
What is Dr. Isabella Oldenburg's NPI?
Dr. Isabella Oldenburg's National Provider Identifier (NPI) is 1154882835, issued by NPPES.
Does Dr. Isabella Oldenburg accept Medicare assignment?
Yes. Dr. Isabella Oldenburg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isabella Oldenburg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.