Doctor profile · Federal record
Dr. Carina Buhay, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Bernardino, CA
- NPI 1639143530
- Accepts Medicare
- 43 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1700 N Waterman Ave
San Bernardino, CA 924045115
(909) 883-8611 - Additional location
-
2150 N Waterman Ave, Ste 200
San Bernardino, CA 924044811
(909) 881-4115 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- December 6, 2025
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A490630
- Medicaid
- CA #00A490630
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639143530. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
215
Distinct HCPCS
6
Medicare allowed
$17,540
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 118 | 63 | $129 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 31 | 21 | $3 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 27 | 26 | $3 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 15 | $87 | |
90756 |
Influenza vaccine, quadrivalent derived from cell cultures | 11 | 11 | $30 | |
G0008 |
Administration of influenza virus vaccine | 11 | 11 | $32 |
In context: peer comparison
Among 18 peers in this city , average services per provider: 109. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$858
Transactions
8
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 2 | $258.52 | |
| Sumitomo Pharma America, Inc. | 2 | $243.82 | |
| Phathom Pharmaceuticals, Inc. | 1 | $124.99 | |
| Novo Nordisk Inc | 1 | $124.88 | |
| AstraZeneca Pharmaceuticals LP | 1 | $86.21 | |
| ABBVIE INC. | 1 | $19.18 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,665
Patients
1,633
Total drug cost
$105,527
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,095 | 299 | $18,476 |
| Amlodipine Besylate | Generic | 687 | 176 | $7,013 |
| Lisinopril | Generic | 627 | 141 | $6,579 |
| Gabapentin | Generic | 553 | 116 | $8,744 |
| Omeprazole | Generic | 475 | 105 | $6,834 |
| Metformin Hcl | Generic | 424 | 111 | $4,894 |
| Losartan Potassium | Generic | 398 | 108 | $7,453 |
| Levothyroxine Sodium | Generic | 388 | 88 | $6,906 |
| Metoprolol Succinate | Generic | 382 | 99 | $8,161 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 362 | 87 | $15,752 |
Frequently asked questions
What is Dr. Carina Buhay's medical specialty?
Dr. Carina Buhay practices Internal Medicine Physician in San Bernardino, CA.
Where does Dr. Carina Buhay practice?
Dr. Carina Buhay practices at 1700 N Waterman Ave, San Bernardino, CA 924045115. Office phone: 9098838611.
What is Dr. Carina Buhay's NPI?
Dr. Carina Buhay's National Provider Identifier (NPI) is 1639143530, issued by NPPES.
Does Dr. Carina Buhay accept Medicare assignment?
Yes. Dr. Carina Buhay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carina Buhay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962); Administration and interpretation of patient-focused health risk assessment (HCPCS 96160). Source: CMS Medicare Physician & Other Practitioners file.