Doctor profile · Federal record
Dr. Maria Isabel Villanueva, M.D.
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Geriatric Medicine (Internal Medicine) Physician · Hospitalist Physician · Olney, MD
- NPI 1679748800
- Accepts Medicare
- 33 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18101 Prince Philip Dr
Olney, MD 208321514
(301) 774-8882 - Mailing address
-
12205 Academy Way Apt 10
Rockville, MD 208522005
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- July 31, 2017
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (3)
- Maryland #D65292 · Maryland #D0065292 · District of Columbia #MD036701
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679748800. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,132
Distinct HCPCS
5
Medicare allowed
$143,198
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 750 | 334 | $130 | |
99239 |
Hospital discharge day management, more than 30 minutes | 159 | 155 | $125 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 136 | 97 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 65 | 64 | $190 | |
99238 |
Hospital discharge day management, 30 minutes or less | 22 | 22 | $89 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 226. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$184
Transactions
9
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, Inc | 4 | $92.39 | |
| ABBVIE INC. | 2 | $35.90 | |
| Novo Nordisk Inc | 1 | $20.00 | |
| Merck Sharp & Dohme LLC | 1 | $17.99 | |
| Fisher & Paykel Healthcare Inc | 1 | $17.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$52
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 11 | 0 | $52 |
Hospital affiliations
Frequently asked questions
What is Dr. Maria Isabel Villanueva's medical specialty?
Dr. Maria Isabel Villanueva practices Hospitalist Physician in Olney, MD.
Where does Dr. Maria Isabel Villanueva practice?
Dr. Maria Isabel Villanueva practices at 18101 Prince Philip Dr, Olney, MD 208321514. Office phone: 3017748882.
What is Dr. Maria Isabel Villanueva's NPI?
Dr. Maria Isabel Villanueva's National Provider Identifier (NPI) is 1679748800, issued by NPPES.
Does Dr. Maria Isabel Villanueva accept Medicare assignment?
Yes. Dr. Maria Isabel Villanueva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Isabel Villanueva commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.