Doctor profile · Federal record
Dr. John Flowers, M.D.
Surgery Physician (CMS: General Surgery) · Baltimore, MD
- NPI 1891735965
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6535 N Charles St, Ste 125
Baltimore, MD 212045826
(410) 821-6260
fax (410) 296-6936
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 17, 2009
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Maryland #D40524
- Medicaid
- MD #093601400
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891735965. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
516
Distinct HCPCS
4
Medicare allowed
$53,681
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99239 |
Hospital discharge day management, more than 30 minutes | 242 | 239 | $119 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 201 | 160 | $82 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 55 | 54 | $134 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 18 | 13 | $52 |
In context: peer comparison
Among 61 peers in Baltimore Surgery Physician, average services per provider: 57. This provider delivers 9.1× the peer median.Frequently asked questions
What is Dr. John Flowers's medical specialty?
Dr. John Flowers practices Surgery Physician in Baltimore, MD.
Where does Dr. John Flowers practice?
Dr. John Flowers practices at 6535 N Charles St, Baltimore, MD 212045826. Office phone: 4108216260.
What is Dr. John Flowers's NPI?
Dr. John Flowers's National Provider Identifier (NPI) is 1891735965, issued by NPPES.
Does Dr. John Flowers accept Medicare assignment?
Yes. Dr. John Flowers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Flowers commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99239); 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.