Doctor profile · Federal record
Dr. Kathryn Welty, MD
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Castro Valley, CA
- NPI 1740476761
- Accepts Medicare
- 19 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
19850 Lake Chabot RD
Castro Valley, CA 945464002
(510) 881-1490
fax (510) 889-5806 - Mailing address
-
20055 Lake Chabot RD, Suite 230
Castro Valley, CA 945465331
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Profile last updated
- March 1, 2024
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- California #A126967 · Washington #ML20008878
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740476761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,887
Distinct HCPCS
10
Medicare allowed
$360,822
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 400 | 55 | $401 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 394 | 177 | $134 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 338 | 154 | $129 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 319 | 182 | $89 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 114 | 103 | $144 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 87 | 45 | $130 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 81 | 43 | $335 | |
90935 |
Hemodialysis procedure with physician evaluation | 57 | 44 | $81 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 39 | 39 | $193 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $198 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 161. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$230
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CALLIDITAS THERAPEUTICS US INC. | 1 | $104.15 | |
| Fresenius USA Marketing, Inc. | 3 | $71.51 | |
| Travere Therapeutics, Inc. | 1 | $53.84 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
870
Patients
187
Total drug cost
$197,024
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 130 | 43 | $1,526 |
| Losartan Potassium | Generic | 98 | 29 | $1,894 |
| Furosemide | Generic | 87 | 24 | $618 |
| Lisinopril | Generic | 80 | 21 | $713 |
| Hydralazine Hcl | Generic | 70 | 28 | $1,905 |
| Carvedilol | Generic | 64 | 19 | $1,143 |
| Chlorthalidone | Generic | 50 | 12 | $1,076 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 46 | 11 | $49,985 |
| Bumetanide | Generic | 43 | 0 | $3,215 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 42 | 0 | $36,893 |
Hospital affiliations
Frequently asked questions
What is Dr. Kathryn Welty's medical specialty?
Dr. Kathryn Welty practices Nephrology Physician in Castro Valley, CA.
Where does Dr. Kathryn Welty practice?
Dr. Kathryn Welty practices at 19850 Lake Chabot RD, Castro Valley, CA 945464002. Office phone: 5108811490.
What is Dr. Kathryn Welty's NPI?
Dr. Kathryn Welty's National Provider Identifier (NPI) is 1740476761, issued by NPPES.
Does Dr. Kathryn Welty accept Medicare assignment?
Yes. Dr. Kathryn Welty accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Welty commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.