Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOSHUA MYER KARP M.D.
NPI 1205048659
Internal Medicine in Doylestown, PA

Q: What is Joshua Karp's NPI number?

The NPI number for Joshua Karp is 1205048659. It was assigned to this individual provider in the NPPES registry on May 5, 2007.

Q: What is Joshua Karp's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Joshua Karp was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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 May 05, 2007PECOS EnrolledAccepts Medicare Assignment

595 W STATE ST, DOYLESTOWN, PA 18901(215) 345-2885(215) 345-2552 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Oct 4, 2022, Jan 12, 2016 (3 updates tracked since 2016).

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About Joshua Myer Karp M.d. NPPES

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

JOSHUA MYER KARP M.D. (NPI 1205048659) is an individual internal medicine provider in Doylestown, Pennsylvania, licensed in Pennsylvania (MD436499) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with St Lukes Quakertown Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1205048659

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameJOSHUA MYER KARPCredential: M.D.

Location Address595 W STATE STDoylestown, PA 18901-2554

Mailing AddressPo Box 829641Philadelphia, PA 19182-9641 · (267) 370-5296 · Fax (215) 230-3725

Phone(215) 345-2885

Fax(215) 345-2552

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateMay 5, 2007

Last NPPES UpdateOctober 5, 20263 updates tracked since enumeration

NPPES CertifiedOctober 5, 2026

✔ NPI 1205048659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in PA · MD436499

Definition

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.

595 W STATE ST, Doylestown, PA 18901

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Other Identifiers 1

OtherMD436499PA · Medical License

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

Joshua Myer Karp 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 ID6406906593

PECOS Enrollment IDI20090611000288

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 Joshua Karp reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Via Affiliates

Same address

Internal Medicine

595 W STATE ST
Doylestown, PA 18901

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

NPI 1902913338 (215) 345-2442

Clinical Specialty Associates

1.8 mi

Obstetrics & Gynecology

102 PROGRESS DR STE 202
Doylestown, PA 18901

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

NPI 1306734934 (215) 230-5296

St Luke's Physician Group Inc

6.6 mi

Internal Medicine

161 N MAIN ST
Dublin, PA 18917

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

NPI 1780293241 (215) 249-1500

St. Joseph Medical Group

42 mi

Primary Care

403 N 13TH ST
Reading, PA 19604

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

NPI 1750590881 (610) 375-8577

Penn State Health Medical Group, LLC

44 mi

Pediatrics

655 WALNUT ST
West Reading, PA 19611

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

NPI 1609347152 (610) 372-9222

Gslpg, Inc

57 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 6

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.

719 services366 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.

362 services195 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

307 services300 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.

117 services116 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.

28 services15 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

St Lukes Quakertown Hospital

Acute Care Hospitals · Quakertown, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390035

Location3000 St. Luke's DriveQuakertown, PA 18951 · Bucks County

Emergency services Birthing friendly

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390049

Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County

Emergency services Birthing friendly

Penn State Health St. Joseph

Acute Care Hospitals · Reading, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390096

Location2500 Bernville RoadReading, PA 19605 · Berks County

Emergency services Birthing friendly

Doylestown Hospital

Acute Care Hospitals · Doylestown, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390203

Location595 West State StDoylestown, PA 18901 · Bucks County

Emergency services Birthing friendly

Milton S Hershey Medical Center

Acute Care Hospitals · Hershey, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390256

Location500 University DriveHershey, PA 17033 · Dauphin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18901 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

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers33 claims33 services$13.65 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers12 claims12 services$907.03 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

4 suppliers32 claims32 services$64.46 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.

DAVID SHEEHAN D.O.

Radiology (Vascular & Interventional Radiology)

595 W STATE ST, DOYLESTOWN RADIOLOGY ASSOCIATES
DOYLESTOWN, PA 18901

Bucks County (215) 345-2849

DANIEL JOSEPH SLADE

Radiology (Diagnostic Radiology)