DR. STEPHEN HUELSKAMP M.D.
NPI 1487040325
Internal Medicine - Critical Care Medicine in Hackettstown, NJ

Q: What is Stephen Huelskamp's NPI number?

The NPI number for Stephen Huelskamp is 1487040325. It was assigned to this individual provider in the NPPES registry on April 7, 2015.

Q: What is Stephen Huelskamp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Huelskamp was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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 April 07, 2015PECOS EnrolledAccepts Medicare Assignment

95.64/100

CMS Quality Rating

653 WILLOW GROVE ST STE 2000, HACKETTSTOWN, NJ 07840(908) 522-5120(908) 813-8326 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 10, 2025, Aug 16, 2024 (2 updates tracked since 2024).

On this page

About Dr. Stephen Huelskamp M.d. NPPES

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

DR. STEPHEN HUELSKAMP M.D. (NPI 1487040325) is an individual critical care medicine provider in Hackettstown, New Jersey, licensed in New Jersey (25MA11931100) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1487040325

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameDR. STEPHEN HUELSKAMPCredential: M.D.

Location Address653 WILLOW GROVE ST STE 2000Hackettstown, NJ 07840-1789

Mailing Address465 South St Ste 103Morristown, NJ 07960-6442 · (908) 522-5120 · Fax (908) 813-8326

Phone(908) 522-5120

Fax(908) 813-8326

Sole ProprietorYes

Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 2015

Enumeration DateApril 7, 2015

Last NPPES UpdateJuly 10, 20252 updates tracked since enumeration

NPPES CertifiedJuly 10, 2025

✔ NPI 1487040325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

Licenses✔ Licensed in NJ · 25MA11931100✔ Licensed in PA · MD462430

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

653 WILLOW GROVE ST STE 2000, Hackettstown, NJ 07840

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Secondary Practice Locations 2

Location 1801 Ostrum StBethlehem, PA 18015-1000 · Phone (505) 235-5572

Location 22 N Village Blvd Ste 2ASparta, NJ 07871-3592 · Phone (973) 579-3444 · Fax (908) 522-5121

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. Stephen Huelskamp 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 ID3971813700

PECOS Enrollment IDI20231005000693

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 Huelskamp reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Practice Associates Medical Group

19 mi

Internal Medicine

100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
1,699 clinicians in this Medicare group

NPI 1427016385 (844) 264-2250

St. Luke's Physician Group, Inc.

20 mi

Internal Medicine

125 SMITHFIELD LN
East Stroudsburg, PA 18301

Reassigned Medicare billing, Pennsylvania enrollment
Medicare enrollment name: St Lukes Physician Group Inc
2,851 clinicians in this Medicare group

NPI 1952662272 (272) 212-3872

Gslpg, Inc

69 mi

Specialist

100 PARAMOUNT BLVD
Orwigsburg, PA 17961

Reassigned Medicare billing, Pennsylvania enrollment
953 clinicians in this Medicare group

NPI 1366006702 (272) 639-1000

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 16

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.

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.

287 services158 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

131 services61 patients

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.

101 services81 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

91 services90 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.

67 services44 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.

47 services47 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.

42 services42 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.

41 services37 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.

37 services37 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

37 services37 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.

14 services14 patients

Irrigation and suction of lung airways to obtain cells using an endoscope 31624

This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.

13 services13 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

12 services11 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

11 services11 patients

Test for exercise-induced lung stress 94618

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310015

Location100 Madison AveMorristown, NJ 07960 · Morris County

Emergency services Birthing friendly

Chilton Medical Center

Acute Care Hospitals · Pompton Plains, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310017

Location97 West ParkwayPompton Plains, NJ 07444 · Morris County

Emergency services Birthing friendly

Newton Medical Center

Acute Care Hospitals · Newton, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310028

Location175 High StNewton, NJ 07860 · Sussex County

Emergency services Birthing friendly

Overlook Medical Center

Acute Care Hospitals · Summit, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310051

Location99 Beauvoir AvenueSummit, NJ 07901 · Union County

Emergency services Birthing friendly

Hackettstown Medical Center

Acute Care Hospitals · Hackettstown, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310115

Location651 Willow Grove StHackettstown, NJ 07840 · Warren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07840 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

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.

95.64/100

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

Scored through an Alternative Payment Model

Quality

80.57

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. MARY AGNES CRADDOCK ARNP

Nurse Practitioner (Family)

653 WILLOW GROVE ST STE 2000
HACKETTSTOWN, NJ 07840

Warren County (908) 441-7201

CHRISTEN LEBO FNP-BC

Nurse Practitioner (Family)

653 WILLOW GROVE ST STE 2000
HACKETTSTOWN, NJ 07840

Warren County (973) 971-4599

KATERYNA HUELSKAMP

Internal Medicine (Pulmonary Disease)

653 WILLOW GROVE ST STE 2000
HACKETTSTOWN, NJ 07840

Warren County (908) 522-5120

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 Huelskamp's NPI number?

The NPI number for Stephen Huelskamp is 1487040325. It was assigned to this individual provider in the NPPES registry on April 7, 2015.

Where is Stephen Huelskamp located?

Stephen Huelskamp practices at 653 Willow Grove St Ste 2000, Hackettstown, NJ 07840. The listed phone number is (908) 522-5120.

What is Stephen Huelskamp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Stephen Huelskamp enrolled in Medicare?

Yes. Stephen Huelskamp 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 Huelskamp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Huelskamp reassigns Medicare benefits to 3 organizations: Practice Associates Medical Group (Morristown, NJ), St. Luke's Physician Group, Inc. (East Stroudsburg, PA) and Gslpg, Inc (Orwigsburg, PA). 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 Huelskamp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Stephen Huelskamp affiliated with any hospitals?

According to CMS data, Stephen Huelskamp is affiliated with Morristown Medical Center, Chilton Medical Center, Newton Medical Center, Overlook Medical Center and Hackettstown Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Huelskamp was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.