GREGORY ASHTON BASSMANN MD
NPI 1174781611
Internal Medicine - Pulmonary Disease in Baltimore, MD

Active since May 31, 2008PECOS EnrolledAccepts Medicare Assignment
6565 N CHARLES ST, SUITE 201, BALTIMORE, MD 21204(443) 849-3901(443) 849-3902 Get Directions Write a Review

NPPES record last updated: July 19, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gregory Ashton Bassmann Md NPPES

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

GREGORY ASHTON BASSMANN MD (NPI 1174781611) is an individual pulmonary disease provider in Baltimore, Maryland, licensed in Maryland (D77581) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and is a graduate of New York Medical College (2008).

NPPES Registry Identity

NPI1174781611
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameGREGORY ASHTON BASSMANNCredential: MD
Location Address6565 N CHARLES ST, SUITE 201Baltimore, MD 21204-6800
Mailing AddressPo Box 418953Boston, MA 02241-8953
Fax(443) 849-3902
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2008
Enumeration DateMay 31, 2008
Last NPPES UpdateJuly 19, 2016
NPI 1174781611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in MD · D77581
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
6565 N CHARLES ST, Baltimore, MD 21204

Other Identifiers 1

Medicare PIN712L/358395YBPGMD

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

Gregory Ashton Bassmann Md 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 ID9335366178
PECOS Enrollment IDI20140819000478
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 14

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
181 services123 patients
Test to determine lung volumes using gas dilution or washout 94727
This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.
99 services98 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
99 services98 patients
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.
96 services72 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
80 services80 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
70 services39 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 7

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
7 suppliers53 claims53 services$14.12 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier11 claims11 services$483.08 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
8 suppliers114 claims115 services$69.13 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
4 suppliers56 claims56 services$33.92 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
4 suppliers13 claims1,280 services$0.04 avg. paid by Medicare
Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626
DME-Drugs Administered Through DME · category DG000N
6 suppliers12 claims600 services$0.76 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.

Nurse Practitioner (Adult Health)
6565 N CHARLES ST, SUITE 512
TOWSON, MD 21204
Student in an Organized Health Care Education/Training Program
6565 N CHARLES ST
TOWSON, MD 21204
Nurse Practitioner (Adult Health)
6565 N CHARLES ST, SUITE 615
TOWSON, MD 21204
Audiologist
6565 N CHARLES ST, SUITE 601
BALTIMORE, MD 21204
Family Medicine
6565 N CHARLES ST, PPE SUITE 411
BALTIMORE, MD 21204
Surgery (Pediatric Surgery)
6565 N CHARLES ST, STE 305
BALTIMORE, MD 21204
Internal Medicine
6565 N CHARLES ST, STE 203
BALTIMORE, MD 21204
Internal Medicine
6565 N CHARLES ST, PPE 203
TOWSON, MD 21204

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 Gregory Bassmann's NPI number?

The NPI number for Gregory Bassmann is 1174781611. It was assigned to this individual provider in the NPPES registry on May 31, 2008.

Where is Gregory Bassmann located?

Gregory Bassmann practices at 6565 N Charles St Suite 201, Baltimore, MD 21204. The listed phone number is (443) 849-3901.

What is Gregory Bassmann's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Gregory Bassmann enrolled in Medicare?

Yes. Gregory Bassmann 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 Gregory Bassmann affiliated with any hospitals?

According to CMS data, Gregory Bassmann is affiliated with Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Bassmann was last updated on July 19, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.