STEPHEN J PLANTHOLT M.D.
NPI 1265426274
Internal Medicine - Cardiovascular Disease in Baltimore, MD

Q: What is Stephen Plantholt's NPI number?

The NPI number for Stephen Plantholt is 1265426274. It was assigned to this individual provider in the NPPES registry on September 6, 2005.

Q: What is Stephen Plantholt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Plantholt was last updated on April 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 September 06, 2005PECOS EnrolledAccepts Medicare Assignment

3407 WILKENS AVE, SUITE 300, BALTIMORE, MD 21229(410) 644-5111(410) 644-2715 Get Directions Write a Review

NPPES record last updated: April 27, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Stephen J Plantholt M.d. NPPES

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

STEPHEN J PLANTHOLT M.D. (NPI 1265426274) is an individual cardiovascular disease provider in Baltimore, Maryland, licensed in Maryland (D0023580) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of University Of Maryland School Of Medicine (1977).

NPPES Registry Identity

NPI1265426274

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameSTEPHEN J PLANTHOLTCredential: M.D.

Location Address3407 WILKENS AVE, SUITE 300Baltimore, MD 21229-5072

Mailing Address3407 Wilkens Ave, Suite 300Baltimore, MD 21229-5072 · (410) 644-5111 · Fax (410) 644-2715

Phone(410) 644-5111

Fax(410) 644-2715

Sole ProprietorNo

Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1977

Enumeration DateSeptember 6, 2005

Last NPPES UpdateApril 27, 2018

✔ NPI 1265426274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MD · D0023580

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

3407 WILKENS AVE, Baltimore, MD 21229

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Other Identifiers 1

Other060027012Medicare Railroad

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

Stephen J Plantholt 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 ID5890751630

PECOS Enrollment IDI20041203000706

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 Stephen Plantholt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Agnes Healthcare Inc

0.2 mi

Internal Medicine

900 CATON AVE
Baltimore, MD 21229

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

NPI 1144250176 (667) 234-2149

St Paul Place Specialists, Inc.

3.5 mi

Hematology & Oncology

227 SAINT PAUL PLACE, 4TH FLOOR
Baltimore, MD 21202

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

NPI 1174564736 (410) 783-5858

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 20

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.

1,655 services962 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.

1,469 services965 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

240 services202 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.

226 services226 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

144 services144 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

85 services82 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

82 services79 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

69 services69 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

45 services36 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

39 services36 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

33 services33 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

33 services33 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.

30 services28 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.

25 services18 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

24 services16 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

23 services23 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

22 services22 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

18 services18 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

16 services12 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210008

Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County

Emergency services Birthing friendly

Saint Agnes Hospital

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210011

Location900 Caton AvenueBaltimore, MD 21229 · Baltimore City County

Emergency services Birthing friendly

Umd Upper Chesapeake Medical Center

Acute Care Hospitals · Bel Air, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number210049

Location500 Upper Chesapeake DriveBel Air, MD 21014 · Harford County

Emergency services Birthing friendly

University Of MD St Joseph Medical Center

Acute Care Hospitals · Towson, MD

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210063

Location7601 Osler DriveTowson, MD 21204 · Baltimore County

Emergency services Birthing friendly

Wellspan York Hospital

Acute Care Hospitals · York, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390046

Location1001 South George StreetYork, PA 17403 · York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21229 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

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ANDREA BRADY

Registered Nurse (Ambulatory Care)

3407 WILKENS AVE
BALTIMORE, MD 21229

Baltimore City (410) 644-0929

MATTHEW R VOSS MD

Internal Medicine (Interventional Cardiology)

3407 WILKENS AVE, SUITE 300
BALTIMORE, MD 21229

Baltimore City (410) 644-5111

UNIVERSITY OF MARYLAND SURGICAL ASSOCIATES, PA

Urology

3407 WILKENS AVE
BALTIMORE, MD 21229

Baltimore City (410) 328-5544

CONRAD J DUNCAN M.D.

Obstetrics & Gynecology (Gynecology)

3407 WILKENS AVE, SUITE 210
BALTIMORE, MD 21229

Baltimore City (410) 644-0929

SUMMIT AMBULATORY SURGICAL CENTER, LLC

Clinic/Center (Ambulatory Surgical)

3407 WILKENS AVE, SUITE 200
BALTIMORE, MD 21229

Baltimore City (410) 644-0929

SHANNON J WINAKUR M.D.

Internal Medicine (Cardiovascular Disease)

3407 WILKENS AVE, SUITE 300
BALTIMORE, MD 21229

Baltimore City (410) 644-5111

PETER S FILDERMAN MD

Urology

3407 WILKENS AVE, SUITE 210
BALTIMORE, MD 21229

Baltimore City (410) 644-0929

DR. FREDERICK E. KUHN JR. M.D.

Internal Medicine (Cardiovascular Disease)

3407 WILKENS AVE, SUITE 300
BALTIMORE, MD 21229

Baltimore City (410) 644-5111

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 Stephen Plantholt's NPI number?

The NPI number for Stephen Plantholt is 1265426274. It was assigned to this individual provider in the NPPES registry on September 6, 2005.

Where is Stephen Plantholt located?

Stephen Plantholt practices at 3407 Wilkens Ave Suite 300, Baltimore, MD 21229. The listed phone number is (410) 644-5111.

What is Stephen Plantholt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Stephen Plantholt enrolled in Medicare?

Yes. Stephen Plantholt 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 Stephen Plantholt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Plantholt reassigns Medicare benefits to 2 organizations: St Agnes Healthcare Inc (Baltimore, MD) and St Paul Place Specialists, Inc. (Baltimore, 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 Stephen Plantholt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Stephen Plantholt affiliated with any hospitals?

According to CMS data, Stephen Plantholt is affiliated with Mercy Medical Center Inc, Saint Agnes Hospital, Umd Upper Chesapeake Medical Center, University Of MD St Joseph Medical Center and Wellspan York Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Plantholt was last updated on April 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.