Doctor profile · Federal record
Dr. Jeanie Ahn, M.D.
Nephrology Physician (CMS: Nephrology) · Specialist · Fremont, CA
- NPI 1053359356
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1999 Mowry Ave, Suite R
Fremont, CA 945381738
(510) 745-8186
fax (510) 745-8332
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 27, 2022
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- California #A065315 · California #A65315
- Medicaid
- CA #00A653150
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053359356. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,747
Distinct HCPCS
10
Medicare allowed
$311,948
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 357 | 168 | $88 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 341 | 160 | $134 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 289 | 39 | $406 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 218 | 124 | $143 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 209 | 111 | $161 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 104 | 99 | $195 | |
90935 |
Hemodialysis procedure with physician evaluation | 61 | 42 | $81 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 37 | $106 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 41 | 38 | $147 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 29 | 28 | $56 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 164. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$2,005
Transactions
73
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Travere Therapeutics, Inc. | 2 | $270.22 | |
| Novo Nordisk Inc | 9 | $247.88 | |
| Amgen Inc. | 11 | $242.72 | |
| Ardelyx, Inc. | 6 | $199.86 | |
| Aurinia Pharma U.S., Inc. | 7 | $186.27 | |
| Novartis Pharmaceuticals Corporation | 9 | $177.62 | |
| Mallinckrodt Hospital Products Inc. | 4 | $98.05 | |
| AstraZeneca Pharmaceuticals LP | 5 | $87.12 | |
| Fresenius USA Marketing, Inc. | 4 | $83.66 | |
| Bayer Healthcare Pharmaceuticals Inc. | 3 | $73.48 | |
| Otsuka America Pharmaceutical, Inc. | 3 | $70.31 | |
| CALLIDITAS THERAPEUTICS US INC. | 3 | $69.16 | |
| OPKO Pharmaceuticals, LLC | 3 | $56.22 | |
| Vifor Pharma, Inc. | 2 | $46.73 | |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | 2 | $26.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,177
Patients
372
Total drug cost
$385,137
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Calcitriol | Generic | 219 | 67 | $6,016 |
| Amlodipine Besylate | Generic | 130 | 47 | $1,957 |
| Valsartan | Generic | 124 | 41 | $7,720 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 109 | 33 | $154,551 |
| Carvedilol | Generic | 68 | 24 | $1,236 |
| Losartan Potassium | Generic | 64 | 26 | $1,364 |
| Allopurinol | Generic | 58 | 17 | $1,169 |
| Hydralazine Hcl | Generic | 55 | 21 | $1,610 |
| Calcium Acetate | Generic | 54 | 18 | $5,816 |
| Rayaldee (Calcifediol) | Brand | 54 | 0 | $102,374 |
Hospital affiliations
Frequently asked questions
What is Dr. Jeanie Ahn's medical specialty?
Dr. Jeanie Ahn practices Nephrology Physician in Fremont, CA.
Where does Dr. Jeanie Ahn practice?
Dr. Jeanie Ahn practices at 1999 Mowry Ave, Fremont, CA 945381738. Office phone: 5107458186.
What is Dr. Jeanie Ahn's NPI?
Dr. Jeanie Ahn's National Provider Identifier (NPI) is 1053359356, issued by NPPES.
Does Dr. Jeanie Ahn accept Medicare assignment?
Yes. Dr. Jeanie Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeanie Ahn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.