ALEXANDER S ZWIL MD
NPI 1861540601
Psychiatry & Neurology - Psychiatry in Philadelphia, PA

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
85.48/100
CMS Quality Rating
3535 MARKET ST, 3RD FLOOR, PHILADELPHIA, PA 19104(215) 746-6700 Get Directions Write a Review

NPPES record last updated: February 1, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Alexander S Zwil Md NPPES

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

ALEXANDER S ZWIL MD (NPI 1861540601) is an individual psychiatry provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD033807E) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Temple University School Of Medicine (1984).

NPPES Registry Identity

NPI1861540601
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameALEXANDER S ZWILCredential: MD
Location Address3535 MARKET ST, 3RD FLOORPhiladelphia, PA 19104-3309
Mailing Address3535 Market St, 3rd FloorPhiladelphia, PA 19104-3309 · (215) 746-6700
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 1984
Enumeration DateJanuary 8, 2007
Last NPPES UpdateFebruary 1, 2016
NPI 1861540601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in PA · MD033807E
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License MD033807E (PA)
3535 MARKET ST, Philadelphia, PA 19104

Other Names 1

Other Name (5)Alexander Stephan Zwil Md

Other Identifiers 2

Medicare PIN024630CN9NJ
Medicare UPINE70522

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alexander S Zwil Md 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 ID7618870627
PECOS Enrollment IDI20111212000660
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.

Areas of Expertise CMS Part B claims 4

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.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
238 services70 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.
231 services66 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
18 services18 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 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
$180.99 typical visit price
range $59.88 – $180.99
Typical copayment $45.24 (range $14.97 – $45.24)
Most-billed visit code 99205
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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.

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.

85.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.6
Promoting Interoperability100
Improvement Activities40

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.

Nurse Practitioner (Family)
3535 MARKET ST, SUITE 100
PHILADELPHIA, PA 19104
Psychologist (Clinical)
3535 MARKET ST
PHILADELPHIA, PA 19104
Psychologist (Clinical)
3535 MARKET ST, 3RD FLOOR
PHILADELPHIA, PA 19104
Psychologist (Clinical)
3535 MARKET ST
PHILADELPHIA, PA 19104
Social Worker (Clinical)
3535 MARKET ST, 2ND FL
PHILADELPHIA, PA 19104
Nurse Practitioner (Obstetrics & Gynecology)
3535 MARKET ST, 3RD FLOOR
PHILADELPHIA, PA 19104
Nurse Practitioner (Psychiatric/Mental Health)
3535 MARKET ST
PHILADELPHIA, PA 19104
Nurse Practitioner (Psychiatric/Mental Health)
3535 MARKET ST
PHILADELPHIA, PA 19104

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 Zwil's NPI number?

The NPI number for Alexander Zwil is 1861540601. It was assigned to this individual provider in the NPPES registry on January 8, 2007. The provider is also known as Alexander Stephan Zwil MD.

Where is Alexander Zwil located?

Alexander Zwil practices at 3535 Market St 3rd Floor, Philadelphia, PA 19104. The listed phone number is (215) 746-6700.

What is Alexander Zwil's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Alexander Zwil enrolled in Medicare?

Yes. Alexander Zwil 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.

What insurance does Alexander Zwil accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Alexander Zwil as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alexander Zwil affiliated with any hospitals?

According to CMS data, Alexander Zwil is affiliated with Hospital Of Univ Of Pennsylvania.

When was this NPI record last updated?

The NPPES record for Alexander Zwil was last updated on February 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.