Doctor profile · Federal record
Dr. Clarissa Geyer, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Morristown, TN
- NPI 1528264223
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
908 W 4Th North St
Morristown, TN 378143894
(423) 522-4900
fax (423) 522-4901 - Mailing address
-
1934 Alcoa Hwy Ste 474
Knoxville, TN 379201526
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Tennessee #MD0000034568
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528264223. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
272
Distinct HCPCS
4
Medicare allowed
$29,555
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 114 | 47 | $134 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 89 | 51 | $92 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 38 | $62 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 17 | 17 | $170 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 47. This provider delivers 5.8× the peer median.Open Payments
Industry payments received
All-time total
$1,971
Transactions
66
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celgene Corporation | 12 | $205.02 | |
| AstraZeneca Pharmaceuticals LP | 8 | $162.86 | |
| Boston Scientific Corporation | 1 | $131.69 | |
| Novartis Pharmaceuticals Corporation | 6 | $113.65 | |
| Janssen Biotech, Inc. | 4 | $88.58 | |
| Astellas Pharma US Inc | 4 | $88.39 | |
| Merck Sharp & Dohme LLC | 4 | $87.27 | |
| Genentech USA, Inc. | 4 | $87.01 | |
| Eisai Inc. | 3 | $77.50 | |
| PFIZER INC. | 4 | $76.31 | |
| GlaxoSmithKline, LLC. | 4 | $73.23 | |
| GENZYME CORPORATION | 3 | $70.27 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 3 | $68.62 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 3 | $67.54 | |
| Incyte Corporation | 3 | $60.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
206
Patients
14
Total drug cost
$53,247
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 51 | 14 | $1,483 |
| Ondansetron Odt (Ondansetron) | Brand | 26 | 0 | $571 |
| Levothyroxine Sodium | Generic | 25 | 0 | $251 |
| Hydroxyurea | Generic | 20 | 0 | $856 |
| Letrozole | Generic | 18 | 0 | $184 |
| Eliquis (Apixaban) | Brand | 15 | 0 | $18,356 |
| Imatinib Mesylate | Generic | 13 | 0 | $30,571 |
| Potassium Chloride | Generic | 13 | 0 | $208 |
| Prochlorperazine Maleate | Generic | 13 | 0 | $176 |
| Duloxetine Hcl | Generic | 12 | 0 | $591 |
Hospital affiliations
Frequently asked questions
What is Dr. Clarissa Geyer's medical specialty?
Dr. Clarissa Geyer practices Hematology & Oncology Physician in Morristown, TN.
Where does Dr. Clarissa Geyer practice?
Dr. Clarissa Geyer practices at 908 W 4Th North St, Morristown, TN 378143894. Office phone: 4235224900.
What is Dr. Clarissa Geyer's NPI?
Dr. Clarissa Geyer's National Provider Identifier (NPI) is 1528264223, issued by NPPES.
Does Dr. Clarissa Geyer accept Medicare assignment?
Yes. Dr. Clarissa Geyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clarissa Geyer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.