Doctor profile · Federal record
Dr. Mary Callahan, M.D.
Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospice/Palliative Care) · Internal Medicine Physician · Internal Medicine Physician · New York, NY
- NPI 1942629803
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 12 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
161 Fort Washington Ave
New York, NY 100323729
(212) 305-7340
fax (212) 305-6891 - Mailing address
-
630 W 168Th St # 4
New York, NY 100323725
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- July 2, 2019
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RH0002X — NUCC code
- State licenses (2)
- New York #299233 · Pennsylvania #MD464097
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942629803. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
189
Distinct HCPCS
2
Medicare allowed
$27,268
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 164 | 53 | $135 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 25 | 11 | $206 |
In context: peer comparison
Among 29 peers in this city , average services per provider: 55. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
110
Patients
11
Total drug cost
$11,458
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 50 | 0 | $908 |
| Oxycodone Hcl | Generic | 19 | 11 | $681 |
| Hydromorphone Hcl | Generic | 16 | 0 | $411 |
| Linzess (Linaclotide) | Brand | 14 | 0 | $8,939 |
| Duloxetine Hcl | Generic | 11 | 0 | $519 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary Callahan's medical specialty?
Dr. Mary Callahan practices Hospice and Palliative Medicine (Internal Medicine) Physician in New York, NY.
Where does Dr. Mary Callahan practice?
Dr. Mary Callahan practices at 161 Fort Washington Ave, New York, NY 100323729. Office phone: 2123057340.
What is Dr. Mary Callahan's NPI?
Dr. Mary Callahan's National Provider Identifier (NPI) is 1942629803, issued by NPPES.
Does Dr. Mary Callahan accept Medicare assignment?
Yes. Dr. Mary Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Callahan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.