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

DAVID SINGER MD
NPI 1174265094
Hospitalist in Morristown, NJ

Active since April 11, 2022PECOS Enrolled
100 MADISON AVE, MORRISTOWN, NJ 07960(973) 971-7550(973) 290-2388 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 30, 2026, Jun 26, 2025, Apr 11, 2022 (3 updates tracked since 2022).

About David Singer Md NPPES

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

DAVID SINGER MD (NPI 1174265094) is an individual hospitalist provider in Morristown, New Jersey, licensed in New Jersey (25MA12726700) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Summit, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1174265094
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDAVID SINGERCredential: MD
Location Address100 MADISON AVEMorristown, NJ 07960-6136
Mailing AddressPo Box 416457Boston, MA 02241-6457 · (844) 362-1735 · Fax (973) 290-7495
Phone(973) 971-7550
Fax(973) 290-2388
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 11, 2022
Last NPPES UpdateSeptember 30, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2026
✔ NPI 1174265094 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NJ · 25MA12726700
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedPediatricsTaxonomy 208000000X · License 25MA12726700 (NJ)
100 MADISON AVE, Morristown, NJ 07960
Open in Google Maps ↗

Secondary Practice Location 1

Location 199 Beauvoir AveSummit, NJ 07901-3533 · Phone (973) 971-7550 · Fax (973) 290-2388

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Singer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507324555
PECOS Enrollment IDI20260819003896
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 Reassignment

Medicare enrollment records show David Singer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Practice Associates Medical Group
Same address
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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07960 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.

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.

MELISSA LOPES M.D
Anesthesiology
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (201) 943-5831
MORRISTOWN MEMORIAL HOSPITAL
General Acute Care Hospital
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (888) 250-9947
VINCENT MAIXNER LCSW
Social Worker (Clinical)
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000
MEGAN LYNN CATHEY NP-C
Nurse Practitioner (Adult Health)
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5358
ANTHONY RIZZUTI
Nurse Anesthetist, Certified Registered
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (800) 991-9133
OMAR MOHAMMED ABDELFATTAH MBBCH
Student in an Organized Health Care Education/Training Program
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000
ALEXANDER CASCAIS MD
Student in an Organized Health Care Education/Training Program
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000
DEVEA RANI DE MD
Student in an Organized Health Care Education/Training Program
100 MADISON AVE
MORRISTOWN, NJ 07960
Morris County (973) 971-5000

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 David Singer's NPI number?

The NPI number for David Singer is 1174265094. It was assigned to this individual provider in the NPPES registry on April 11, 2022.

Where is David Singer located?

David Singer practices at 100 Madison Ave, Morristown, NJ 07960. The listed phone number is (973) 971-7550.

What is David Singer's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is David Singer enrolled in Medicare?

Yes. David Singer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Singer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Singer reassigns Medicare benefits to Practice Associates Medical Group (Morristown, NJ). The 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 David Singer'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 David Singer was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.