Doctor profile · Federal record
Dr. Zachary Nichols, DO
Internal Medicine Physician (CMS: Hospitalist) · Sonora, CA
- NPI 1538658752
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1000 Greenley RD
Sonora, CA 953705200
(209) 536-5000
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- June 29, 2021
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A18909
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538658752. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,727
Distinct HCPCS
6
Medicare allowed
$221,447
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 861 | 361 | $118 | |
99239 |
Hospital discharge day management, more than 30 minutes | 376 | 348 | $115 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 280 | 264 | $172 | |
99291 |
Critical care, first 30-74 minutes | 89 | 39 | $211 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 73 | 55 | $78 | |
99497 |
Advance care planning, first 30 minutes | 48 | 48 | $76 |
In context: peer comparison
Among 5 peers in Sonora Internal Medicine Physician, average services per provider: 211. This provider delivers 8.2× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 1 | $20.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
231
Patients
223
Total drug cost
$4,389
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 37 | 36 | $133 |
| Naloxone Hcl | Generic | 28 | 27 | $2,365 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 25 | 23 | $101 |
| Methylprednisolone | Generic | 21 | 20 | $200 |
| Prednisone | Generic | 20 | 20 | $155 |
| Cefdinir | Generic | 17 | 17 | $221 |
| Levofloxacin | Generic | 16 | 15 | $129 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 14 | 14 | $766 |
| Atorvastatin Calcium | Generic | 14 | 14 | $103 |
| Metoprolol Tartrate | Generic | 14 | 14 | $87 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Nichols's medical specialty?
Dr. Zachary Nichols practices Internal Medicine Physician in Sonora, CA.
Where does Dr. Zachary Nichols practice?
Dr. Zachary Nichols practices at 1000 Greenley RD, Sonora, CA 953705200. Office phone: 2095365000.
What is Dr. Zachary Nichols's NPI?
Dr. Zachary Nichols's National Provider Identifier (NPI) is 1538658752, issued by NPPES.
Does Dr. Zachary Nichols accept Medicare assignment?
Yes. Dr. Zachary Nichols accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Nichols 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.