Doctor profile · Federal record
Dr. Marshall Glesby, M.D.
Infectious Disease Physician (CMS: Infectious Disease) · New York, NY
- NPI 1396891644
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
525 E 68Th St, Baker 24
New York, NY 100214870
(212) 746-7134
fax (212) 746-8852
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- July 6, 2023
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- New York #209163
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396891644. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
66
Distinct HCPCS
3
Medicare allowed
$8,031
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 29 | 12 | $136 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 16 | $90 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $149 |
In context: peer comparison
Among 97 peers in New York Infectious Disease Physician, average services per provider: 91. This provider delivers 0.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
411
Patients
0
Total drug cost
$487,553
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Descovy (Emtricitabine/Tenofov Alafenam) | Brand | 61 | 0 | $144,576 |
| Atorvastatin Calcium | Generic | 49 | 0 | $330 |
| Lisinopril | Generic | 49 | 0 | $78 |
| Tivicay (Dolutegravir Sodium) | Brand | 46 | 0 | $108,495 |
| Isentress (Raltegravir Potassium) | Brand | 26 | 0 | $53,189 |
| Ritonavir | Generic | 24 | 0 | $6,943 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 24 | 0 | $883 |
| Prezista (Darunavir) | Brand | 22 | 0 | $49,303 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 20 | 0 | $83,800 |
| Rosuvastatin Calcium | Generic | 19 | 0 | $339 |
Hospital affiliations
Frequently asked questions
What is Dr. Marshall Glesby's medical specialty?
Dr. Marshall Glesby practices Infectious Disease Physician in New York, NY.
Where does Dr. Marshall Glesby practice?
Dr. Marshall Glesby practices at 525 E 68Th St, New York, NY 100214870. Office phone: 2127467134.
What is Dr. Marshall Glesby's NPI?
Dr. Marshall Glesby's National Provider Identifier (NPI) is 1396891644, issued by NPPES.
Does Dr. Marshall Glesby accept Medicare assignment?
Yes. Dr. Marshall Glesby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshall Glesby 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); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.