Doctor profile · Federal record
Dr. Tatiana Grzeszkiewicz, M.D., PH.D.
Dermatology Physician (CMS: Dermatology) · Fremont, CA
- NPI 1841386489
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3200 Kearney St, Palo Alto Medical Foundation Dermatology
Fremont, CA 945382299
(510) 490-1222 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- June 4, 2020
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- California #A88967
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841386489. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,722
Distinct HCPCS
10
Medicare allowed
$233,181
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 587 | 108 | $9 | |
96900 |
Application of ultraviolet light to skin | 482 | 17 | $33 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 436 | 334 | $106 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 367 | 294 | $149 | |
17000 |
Destruction of precancer skin growth, 1 growth | 153 | 132 | $69 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 126 | 126 | $187 | |
11102 |
Biopsy of related skin growth, first growth | 116 | 106 | $124 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 116 | 116 | $129 | |
17110 |
Destruction of skin growth, 1-14 growths | 115 | 102 | $147 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 53 | 39 | $216 |
In context: peer comparison
Among 6 peers in Fremont Dermatology Physician, average services per provider: 272. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $125.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,179
Patients
648
Total drug cost
$59,610
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Triamcinolone Acetonide | Generic | 253 | 121 | $3,685 |
| Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) | Brand | 238 | 113 | $4,796 |
| Doxycycline Hyclate | Generic | 96 | 39 | $3,693 |
| Fluorouracil | Generic | 77 | 61 | $9,139 |
| Metronidazole | Generic | 74 | 37 | $5,335 |
| Ketoconazole | Generic | 71 | 33 | $2,368 |
| Fluocinonide | Generic | 67 | 47 | $3,995 |
| Clobetasol Propionate | Generic | 56 | 28 | $3,791 |
| Tacrolimus | Generic | 49 | 32 | $11,875 |
| Hydrocortisone | Generic | 47 | 35 | $656 |
Frequently asked questions
What is Dr. Tatiana Grzeszkiewicz's medical specialty?
Dr. Tatiana Grzeszkiewicz practices Dermatology Physician in Fremont, CA.
Where does Dr. Tatiana Grzeszkiewicz practice?
Dr. Tatiana Grzeszkiewicz practices at 3200 Kearney St, Fremont, CA 945382299. Office phone: 5104901222.
What is Dr. Tatiana Grzeszkiewicz's NPI?
Dr. Tatiana Grzeszkiewicz's National Provider Identifier (NPI) is 1841386489, issued by NPPES.
Does Dr. Tatiana Grzeszkiewicz accept Medicare assignment?
Yes. Dr. Tatiana Grzeszkiewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tatiana Grzeszkiewicz commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Application of ultraviolet light to skin (HCPCS 96900); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.