Doctor profile · Federal record
Dr. Katherine Mark, MD
Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · New York, NY
- NPI 1790949170
- Accepts Medicare
- 19 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1000 10Th Ave
New York, NY 100191147
(212) 523-4000 - Mailing address
-
Po Box 28082
New York, NY 100878082
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- February 26, 2020
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- New York #257937
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790949170. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
254
Distinct HCPCS
7
Medicare allowed
$33,670
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 98 | 51 | $136 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 40 | 27 | $90 | |
99497 |
Advance care planning, first 30 minutes | 36 | 25 | $86 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 33 | 33 | $198 | |
99498 |
Advance care planning, each additional 30 minutes | 20 | 16 | $81 | |
99291 |
Critical care, first 30-74 minutes | 16 | 12 | $244 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $149 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 130. This provider delivers 2.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Katherine Mark's medical specialty?
Dr. Katherine Mark practices Geriatric Medicine (Internal Medicine) Physician in New York, NY.
Where does Dr. Katherine Mark practice?
Dr. Katherine Mark practices at 1000 10Th Ave, New York, NY 100191147. Office phone: 2125234000.
What is Dr. Katherine Mark's NPI?
Dr. Katherine Mark's National Provider Identifier (NPI) is 1790949170, issued by NPPES.
Does Dr. Katherine Mark accept Medicare assignment?
Yes. Dr. Katherine Mark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Mark commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.