MARK STEVEN GOSNELL (M.D.) – Pulmonary Disease Physician, NPI 1003949348

MARK STEVEN GOSNELL (M.D.) is a healthcare provider. based in Towson, Maryland. specializing in CRITICAL CARE (INTENSIVISTS), SLEEP MEDICINE, PULMONARY DISEASE. They hold the professional credentials M.D.. They hold a License No. D00058082 (MD). The NPI Number for MARK STEVEN GOSNELL (M.D.) is 1003949348

Main info

Male
Sole Proprietor
29 Years Of Experience
Accepts Medicare Assignment
Name
MARK STEVEN GOSNELL (M.D.)
NPI
1003949348
Phone
(410) 494-7921
Address
501 FAIRMOUNT AVE STE 103
Enumeration Date
14 March 2007
Last Update Date
15 February 2022

Doctor Profile

Medical School Name
DREXEL UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
4104941662
Graduation Year
1997 (29 years ago)
PAC ID
0749321925
Group Practice PAC ID
7618862418
Professional Enrollment ID
I20100204000566
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience76
Completeness75
Years active:19State licenses:2Digital endpointsOther names

663 CRITICAL CARE (INTENSIVISTS) in MD

Provider Addresses for MARK STEVEN GOSNELL (M.D.)

  • 501 FAIRMOUNT AVE STE 103

    TOWSON, MD 212865457

    Phone: (410) 494-7921

    Fax: (410) 902-8247

    Type: Mailing

  • 515 FAIRMOUNT AVE STE 500

    TOWSON, MD 212865466

    Phone: (410) 494-1662

    Fax: (410) 494-1718

    Type: Location

  • 6781 NORRIS LN

    ELKRIDGE, MD 210755727

    Phone: (410) 294-0715

    Fax: (410) 902-8247

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-02-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100111000126IPulmonary DiseaseDCTBD
I20100204000566IPulmonary DiseaseMDTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes293152$0
99291Critical care, first 30-74 minutes220109$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes7776$0
99213Established patient office or other outpatient visit, 20-29 minutes6550$0
95810Sleep study in sleep lab (6 years or older)6464$0
View full utilization report →

Insurance plans in this area (ZIP 21286)

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Provider's Procedures

MARK STEVEN GOSNELL (M.D.) performs procedures in CRITICAL CARE (INTENSIVISTS). See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PULMONARY DISEASEMD31500Emergent insertion of breathing tube into windpipe cartilage using an endoscope1919
PULMONARY DISEASEMD94060Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration3330

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7618862418View full group profile

Reviews

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Frequently asked questions

How do payers reference MARK STEVEN GOSNELL (M.D.)?
For MARK STEVEN GOSNELL (M.D.), use NPI 1003949348 as the unique 10-digit identifier.
Would MARK STEVEN GOSNELL (M.D.) appear as active to a payer?
You can treat MARK STEVEN GOSNELL (M.D.) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe MARK STEVEN GOSNELL (M.D.)'s focus?
For MARK STEVEN GOSNELL (M.D.), the primary taxonomy reads as Pulmonary Disease Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with MARK STEVEN GOSNELL (M.D.)?
Directory geography for MARK STEVEN GOSNELL (M.D.) centers on Towson, Maryland.
When was this NPI issued?
Enumeration for MARK STEVEN GOSNELL (M.D.) is noted as March 14, 2007 where the registry provides it.

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