Active NPI 1891735965 Individual Practitioner Male Practitioner

Dr. John L Flowers , MD

Surgery • Baltimore, MD

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Flowers, MD is a certified Surgery practicing in Baltimore, MD. With approximately 42 years of clinical experience since graduating from Hahnemann University College Of Medicine in 1984, Dr. Flowers delivers high-quality medical care to the local community at 6535 N CHARLES ST.

Dr. Flowers is affiliated with Greater Baltimore Medical Center Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6535 N Charles St
Ste 125

Baltimore, MD 212045826

Telephone 4108216260

Fax 4102966936

Associated Practice Facility / Clinic

🏢 G. Robert Medalie, M.d., Llc Facility NPI 1710998661

Medicare Profile & Education

Medical School

Hahnemann University College Of Medicine

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Baltimore, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +19.2 yrs vs City Avg

City Avg: 22.8 Yrs

State Avg: 28.6 Yrs

Regional Practice Density

266 Specialists

Practicing in Baltimore, MD (717 Statewide)

Telehealth Adoption Rate

12.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

50.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Flowers (42 Years) 42 Yrs

Baltimore Specialty Average (22.8 Years) 22.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	280	176	$162.65	$80.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	189	184	$269.35	$133.50
99239 Hospital discharge day management, more than 30 minutes	124	123	$237.40	$116.61
99231 Follow-up hospital inpatient care per day, typically 15 minutes	58	40	$102.21	$50.65
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	27	23	$245.67	$120.58
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$354.65	$176.67
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$172.00	$84.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99239 Hospital discharge day management, more than 30 minutes	242	239	$241.88	$119.30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	201	160	$165.18	$82.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	55	54	$276.07	$134.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	18	13	$103.22	$51.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	131	103	$147.27	$74.48
99239 Hospital discharge day management, more than 30 minutes	58	58	$217.00	$108.41
99217 Hospital observation care on day of discharge	40	40	$148.00	$75.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$280.00	$141.73
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	14	$81.06	$40.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	15	$236.00	$115.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$356.71	$179.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	11	11	$316.45	$159.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$356.00	$177.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$235.94	$117.40
99213 Established patient office or other outpatient visit, typically 15 minutes	15	14	$161.00	$80.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$447.29	$222.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$236.00	$111.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$233.00	$111.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$356.81	$170.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$235.00	$112.58
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	13	$314.00	$150.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	24	$231.82	$114.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$353.83	$174.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$234.73	$115.20

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MD D40524

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

093601400 (MD)

Hospital & Practice Group Affiliations

Greater Baltimore Medical Center Inc

6569 N Charles St, Baltimore, MD 212045816

Phone: 4438498707

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Dr. Joel Turner , MD

Surgery

NPI 1225070386

Doctor of Medicine (M.D.)

Dr. Laurence Ross , MD

Surgery

NPI 1720160484

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active December 17, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location December 17, 2009

Registered at 6535 N CHARLES ST, STE 125, BALTIMORE, MD 212045826 (Tel: 4108216260)

📍

Updated Business Mailing Address December 17, 2009

Registered at 6535 N CHARLES ST, SUITE 510, BALTIMORE, MD 212045826 (Tel: 4108216260)

👤

Provider Name / Credentials Updated December 17, 2009

Recorded as JOHN FLOWERS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 17, 2009

Surgery (License #D40524 in MD)

🟢

Initial NPI Registration & Enumeration June 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1891735965

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 07, 2006

Last Update: December 17, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

6535 N Charles St, Suite 510

Baltimore, MD 212045826

Phone: 4108216260

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.