DR. GERALD APOLLON M.D.
NPI 1558361980
Emergency Medicine in Westminster, MD

Q: What is Gerald Apollon's NPI number?

The NPI number for Gerald Apollon is 1558361980. It was assigned to this individual provider in the NPPES registry on July 28, 2005.

Q: What is Gerald Apollon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Gerald Apollon was last updated on June 12, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since July 28, 2005PECOS EnrolledAccepts Medicare Assignment

28.46/100

CMS Quality Rating

826 WASHINGTON RD, SUITE 110A, WESTMINSTER, MD 21157(410) 751-7480 Get Directions Write a Review

NPPES record last updated: June 12, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Gerald Apollon M.d. NPPES

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

DR. GERALD APOLLON M.D. (NPI 1558361980) is an individual emergency medicine provider in Westminster, Maryland, licensed in Maryland (D0037874) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1983).

NPPES Registry Identity

NPI1558361980

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. GERALD APOLLONCredential: M.D.

Location Address826 WASHINGTON RD, SUITE 110AWestminster, MD 21157-5750

Mailing Address11901 Evening CtClarksville, MD 21029-1252 · (443) 604-4716

Phone(410) 751-7480

Sole ProprietorYes

Medical School CMSTufts University School Of MedicineGraduated 1983

Enumeration DateJuly 28, 2005

Last NPPES UpdateJune 12, 2013

✔ NPI 1558361980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in MD · D0037874

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedFamily MedicineTaxonomy 207Q00000X · License D0037874 (MD)

826 WASHINGTON RD, Westminster, MD 21157

Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified139N087

Medicare UPINE15211

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gerald Apollon M.d. 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 ID3971583618

PECOS Enrollment IDI20040722000886

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.

Medicare Billing Reassignments

Medicare enrollment records show Gerald Apollon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

My Primary Care

Same address

General Practice

826 WASHINGTON RD STE 110
Westminster, MD 21157

Reassigned Medicare billing, Maryland enrollment
5 clinicians in this Medicare group

NPI 1972148963 (443) 604-4716

U N I Medical Care Inc

Same address

Urgent Care

826 WASHINGTON RD, SUITE 110A
Westminster, MD 21157

Reassigned Medicare billing, Maryland enrollment
48 clinicians in this Medicare group

NPI 1790962371 (410) 751-7480

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 21

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.

221 services211 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

119 services119 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

70 services35 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

62 services62 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

58 services58 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

45 services45 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

31 services29 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

27 services24 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

27 services27 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

25 services24 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

21 services20 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

19 services19 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

19 services19 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

18 services18 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

18 services18 patients

X-ray of ribs on side of body, minimum of 3 views 71101

This is a diagnostic procedure where a machine emits a small amount of radiation to capture images of your ribs from at least three different angles. It helps to identify issues like fractures or infections. It's a quick, painless process.

16 services15 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

16 services16 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

14 services14 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

12 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

12 services12 patients

X-ray of finger, minimum of 2 views 73140

An X-ray of the finger involves capturing images of your finger from at least two different angles. This non-invasive procedure helps in visualizing the bones and joints, aiding in the diagnosis of fractures, infections, or other abnormalities. Minimal discomfort may be experienced.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21157 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

$94.08 typical visit price

range $60.73 – $183.44

Typical copayment $23.52 (range $15.18 – $45.86)

Most-billed visit code 99203

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

28.46/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Promoting Interoperability

Improvement Activities

Cost

94.88

Referred Medical Equipment & Supplies CMS DME claims

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

Light compression bandage, elastic, knitted/woven, width greater than or equal to three inches and less than five inches, per yard A6449

DME-Medical/Surgical Supplies · category DA023N

1 supplier38 claims152 services$1.63 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.

MEDSTAR MEDICAL GROUP II LLC

General Practice

826 WASHINGTON RD
WESTMINSTER, MD 21157

Carroll County (410) 848-2444

CARROLL ENDOCRINOLOGY ASSOCIATES, INC.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

826 WASHINGTON RD, SUITE 121
WESTMINSTER, MD 21157

Carroll County (410) 751-2510

VEIN SPECIALISTS, LLC

Clinic/Center (Ambulatory Surgical)

826 WASHINGTON RD, SUITE 209
WESTMINSTER, MD 21157

Carroll County (410) 848-8422

MS. MARYAM JIRSARAI PA-C

Physician Assistant

826 WASHINGTON RD, STE 122
WESTMINSTER, MD 21157

Carroll County (410) 857-8333

POOLE ENDOSCOPY CENTER, LLC

Clinic/Center (Ambulatory Surgical)

826 WASHINGTON RD, SUITE 218
WESTMINSTER, MD 21157

Carroll County (410) 871-9004

DR. CYNTHIA HEEKYUNG JUN OD

Optometrist

826 WASHINGTON RD, STE 200
WESTMINSTER, MD 21157

Carroll County (410) 876-3333

DR. NORMAN IRA GOLDSTEIN MD

Internal Medicine

826 WASHINGTON RD, SUITE 120
WESTMINSTER, MD 21157

Carroll County (410) 848-6000

ROBERT GORDON M.D.

Specialist

826 WASHINGTON RD, SUITE 209
WESTMINSTER, MD 21157

Carroll County (410) 840-8203

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 Gerald Apollon's NPI number?

The NPI number for Gerald Apollon is 1558361980. It was assigned to this individual provider in the NPPES registry on July 28, 2005.

Where is Gerald Apollon located?

Gerald Apollon practices at 826 Washington Rd Suite 110A, Westminster, MD 21157. The listed phone number is (410) 751-7480.

What is Gerald Apollon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Gerald Apollon enrolled in Medicare?

Yes. Gerald Apollon 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.

Which organizations bill Medicare for Gerald Apollon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gerald Apollon reassigns Medicare benefits to 2 organizations: My Primary Care (Westminster, MD) and U N I Medical Care Inc (Westminster, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gerald Apollon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gerald Apollon was last updated on June 12, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.