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DR. TRISTAN MICHAEL FLACK D.O.
NPI 1750720074
Internal Medicine in Baltimore, MD

Active since June 19, 2013PECOS EnrolledAccepts Medicare Assignment
6701 N CHARLES ST, BALTIMORE, MD 21204(443) 849-2682 Get Directions Write a Review

NPPES record last updated: August 30, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 30, 2018, Jun 20, 2016 (2 updates tracked since 2016).

About Dr. Tristan Michael Flack D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TRISTAN MICHAEL FLACK D.O. (NPI 1750720074) is an individual internal medicine provider in Baltimore, Maryland, licensed in New York (284245) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and is a graduate of West Virginia School Of Osteopathic Medicine (2013).

NPPES Registry Identity

NPI1750720074
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TRISTAN MICHAEL FLACKCredential: D.O.
Location Address6701 N CHARLES STBaltimore, MD 21204
Mailing Address6565 N Charles St Ste 201Baltimore, MD 21204-5805 · (443) 849-2682
Phone(443) 849-2682
Sole ProprietorNo
Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2013
Enumeration DateJune 19, 2013
Last NPPES UpdateAugust 30, 20182 updates tracked since enumeration
✔ NPI 1750720074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 284245
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
6701 N CHARLES ST, Baltimore, MD 21204
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Tristan Michael Flack D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254624265
PECOS Enrollment IDI20180918003035
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
325 services146 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
270 services112 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
148 services144 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
135 services135 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Greater Baltimore Medical Center

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210044
Location6701 North Charles StreetBaltimore, MD 21204 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier14 claims14 services$14.18 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier26 claims26 services$68.84 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. ALVENA MESHOINE SIMS PA-C, MMS
Physician Assistant
6701 N CHARLES ST, LABOR & DELIVERY
BALTIMORE, MD 21204
Baltimore County (443) 849-2577
DR. LEWIS HOGGE M.D.
Anesthesiology
6701 N CHARLES ST
TOWSON, MD 21204
Baltimore County (410) 296-4616
DR. PHILIP E SHAHEEN M.D.
Internal Medicine (Hospice and Palliative Medicine)
6701 N CHARLES ST, SUITE 4105
BALTIMORE, MD 21204
Baltimore County (443) 849-6255
ALOISE DIEDRICH
Anesthesiology
6701 N CHARLES ST
TOWSON, MD 21204
Baltimore County (443) 849-2000
ROBERT A. PALERMO M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
6701 N CHARLES ST
BALTIMORE, MD 21204
Baltimore County (443) 849-2257
DR. STEPHEN A LIVERMAN M.D.
Pediatrics
6701 N CHARLES ST, DEPT OF PEDIATRICS
BALTIMORE, MD 21204
Baltimore County (443) 849-2792
NATHAN A. DUNSMORE M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
6701 N CHARLES ST
BALTIMORE, MD 21204
Baltimore County (443) 849-2704
MS. SHARON MAREE ELMES-CURTIS CNM
Advanced Practice Midwife
6701 N CHARLES ST, DEPT OF LABOR AND DELIVERY
BALTIMORE, MD 21204
Baltimore County (443) 849-2577

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tristan Flack's NPI number?

The NPI number for Tristan Flack is 1750720074. It was assigned to this individual provider in the NPPES registry on June 19, 2013.

Where is Tristan Flack located?

Tristan Flack practices at 6701 N Charles St, Baltimore, MD 21204. The listed phone number is (443) 849-2682.

What is Tristan Flack's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tristan Flack enrolled in Medicare?

Yes. Tristan Flack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Tristan Flack affiliated with any hospitals?

According to CMS data, Tristan Flack is affiliated with Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for Tristan Flack was last updated on August 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.