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

ALEXANDER SENG CRNP
NPI 1891340048
Nurse Practitioner in Philadelphia, PA

Active since August 05, 2019PECOS Enrolled
1650 MARKET ST STE 3600, PHILADELPHIA, PA 19103(855) 212-2273(629) 240-6003 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Alexander Seng Crnp NPPES

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

ALEXANDER SENG CRNP (NPI 1891340048) is an individual nurse practitioner in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP020264) and active in the NPI registry since August 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1891340048
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameALEXANDER SENGCredential: CRNP
Location Address1650 MARKET ST STE 3600Philadelphia, PA 19103-7334
Mailing Address5410 Maryland Way Ste 400Brentwood, TN 37027-8087 · (855) 212-2273
Fax(629) 240-6003
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateAugust 5, 2019
Last NPPES UpdateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1891340048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in PA · SP020264
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1650 MARKET ST STE 3600, Philadelphia, PA 19103

Secondary Practice Locations 2

Location 11569 Medical Dr Ste 100Pottstown, PA 19464-3223 · Phone (484) 945-0111 · Fax (484) 945-0122
Location 21591 Medical DrPottstown, PA 19464-3224 · Phone (610) 326-8005 · Fax (610) 327-9629

Other Identifiers 1

Medicaid103784444-0008PA

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

Alexander Seng Crnp 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 ID3678803988
PECOS Enrollment IDI20260624002859
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

5

Medicare enrollment records show Alexander Seng reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
33 S. 9TH STREET
Philadelphia, PA 19107
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,739 clinicians in this Medicare group
Pulmonary Disease
30 MEDICAL CENTER BLVD, SUITE 202
Chester, PA 19013
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 5 clinicians in this Medicare group
Family Medicine
555 SECOND AVENUE, SUITE 300
Collegeville, PA 19426
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: Pottstown Medical Specialists Inc
  • 42 clinicians in this Medicare group
Nephrology
5410 MARYLAND WAY STE 400
Brentwood, TN 37027
  • Reassigned Medicare billing, District of Columbia, Georgia, Louisiana, Pennsylvania, South Carolina, Tennessee and Virginia enrollments
  • Also billed through NPI 1255930228 (Georgia), NPI 1659987436 (Louisiana)
  • 67 clinicians in this Medicare group
Nephrology
4720 SALISBURY RD
Jacksonville, FL 32256
  • Reassigned Medicare billing, Florida enrollment
  • 98 clinicians in this Medicare group

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 2

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 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.
130 services122 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.
23 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19103 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
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 26

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
12 suppliers41 claims41 services$35.35 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
2 suppliers56 claims112 services$1.18 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable A7005
DME-Other DME · category DE000N
1 supplier13 claims13 services$13.45 avg. paid by Medicare
Filter, disposable, used with aerosol compressor or ultrasonic generator A7013
DME-Other DME · category DE000N
1 supplier23 claims23 services$0.44 avg. paid by Medicare
Aerosol mask, used with dme nebulizer A7015
DME-Other DME · category DE000N
1 supplier30 claims30 services$1.08 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
6 suppliers36 claims36 services$84.13 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.

Physician Assistant
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103
In Home Supportive Care
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103
Counselor (Professional)
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103
Counselor (Professional)
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103
Family Medicine
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103
Nurse Practitioner (Acute Care)
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103
Early Intervention Provider Agency
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103
Counselor (Professional)
1650 MARKET ST STE 3600
PHILADELPHIA, PA 19103

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 Alexander Seng's NPI number?

The NPI number for Alexander Seng is 1891340048. It was assigned to this individual provider in the NPPES registry on August 5, 2019.

Where is Alexander Seng located?

Alexander Seng practices at 1650 Market St Ste 3600, Philadelphia, PA 19103. The listed phone number is (855) 212-2273.

What is Alexander Seng's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Alexander Seng enrolled in Medicare?

Yes. Alexander Seng 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 Alexander Seng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Seng reassigns Medicare benefits to 5 organizations: Jefferson University Physicians (Philadelphia, PA), Kenneth R Lander M.D. P.C. (Chester, PA), Pmsi Collegeville Family Practice (Collegeville, PA), Monogram Health Professional Services PC (Brentwood, TN) and Monogram Health Professional Services Of Florida LLC (Jacksonville, FL). 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 Alexander Seng'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 Alexander Seng was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.