Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1346231669 Individual Practitioner Male Practitioner

Dr. John Neil Margolis , MD

Internal Medicine • Laurel, MD

Professional Overview & Biography Verified Profile Summary

Dr. John Margolis, MD is a registered healthcare professional specializing in Internal Medicine in Laurel, MD. Practice services are available at 13952 BALTIMORE AVENUE under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

13952 Baltimore Avenue

Laurel, MD 20707

Telephone 3014901990
Fax 3014908750
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Laurel, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 31.3 Yrs
State Avg: 28.1 Yrs
Regional Practice Density
40 Specialists

Practicing in Laurel, MD (4114 Statewide)

Telehealth Adoption Rate
35.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
58.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes
374 222 $206.00 $81.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
255 178 $304.00 $118.53
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
166 166 $321.00 $131.22
G0008 Administration of influenza virus vaccine
127 126 $73.00 $19.06
90682 Influenza vaccine, quadrivalent derived from recombinant dna
122 121 $116.00 $54.38
G0009 Administration of pneumococcal vaccine
59 56 $73.00 $19.06
90670 Pneumococcal vaccine for injection into muscle
35 35 $385.00 $209.02
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous
29 29 $54.00 $17.69
93000 Routine ekg using at least 12 leads including interpretation and report
29 29 $67.00 $19.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
27 26 $125.00 $50.25
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older
23 23 $195.00 $111.38
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment
15 15 $462.00 $188.30
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
14 14 $478.00 $194.78
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
12 12 $405.00 $153.04
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report
11 11 $48.00 $19.83

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D25430

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.

Practice Associates & Co-Workers

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

7 Associated Practitioners
Dr. Jenny Moy , MD

Internal Medicine

NPI 1093706301

Doctor of Medicine (M.D.)

Dr. Robert Ferris , DO

Internal Medicine

NPI 1144590415

Doctor of Osteopathic Medicine (D.O.)

Dr. Robert Maggin , MD

Internal Medicine

NPI 1255322574

Doctor of Medicine (M.D.)

NPI 1265423586

Doctor of Medicine (M.D.)

Dr. Patrick Fong , MD

Internal Medicine

NPI 1548502131

Doctor of Medicine (M.D.)

Mary O'brien , CRNP

Nurse Practitioner - Primary Care

NPI 1578554887

Certified Registered Nurse Practitioner

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 13952 BALTIMORE AVENUE, LAUREL, MD 20707 (Tel: 3014901990)

📍
Updated Business Mailing Address July 08, 2007

Registered at 13952 BALTIMORE AVENUE, LAUREL, MD 20707 (Tel: 3014901990)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN MARGOLIS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #D25430 in MD)

🟢
Initial NPI Registration & Enumeration November 04, 2005

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: 1346231669
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 04, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

13952 Baltimore Avenue

Laurel, MD 20707

Phone: 3014901990

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.