KATHRYN FRIEDMAN FLACK MD
NPI 1770938862
Internal Medicine - Pulmonary Disease in Philadelphia, PA

Active since April 26, 2016PECOS EnrolledAccepts Medicare Assignment
3400 SPRUCE STREET, 3 RAVDIN BLDG. STE. F, PHILADELPHIA, PA 19104(215) 662-3202(215) 349-8432 Get Directions Write a Review

NPPES record last updated: April 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Kathryn Friedman Flack Md NPPES

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

KATHRYN FRIEDMAN FLACK MD (NPI 1770938862) is an individual pulmonary disease provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD464744) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with University Medical Center Of Princeton At Plainsboro, and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1770938862
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameKATHRYN FRIEDMAN FLACKCredential: MD
Location Address3400 SPRUCE STREET, 3 RAVDIN BLDG. STE. FPhiladelphia, PA 19104-4206
Mailing Address3400 Civic Center Blvd, Harron Lung Center - Perelman Ctr -1 West PavilionPhiladelphia, PA 19104-5138 · (215) 662-3202 · Fax (215) 349-8432
Fax(215) 349-8432
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 26, 2016
Last NPPES UpdateApril 22, 2025
NPPES CertifiedApril 22, 2025
NPI 1770938862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in PA · MD464744
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD464744 (PA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD464744 (PA)
3400 SPRUCE STREET, Philadelphia, PA 19104

Other Names 1

Former Name (1)Kathryn Blair Friedman

Secondary Practice Location 1

Location 151 N 39th St, Ste 130Philadelphia, PA 19104-2640 · Phone (215) 662-8989

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

Kathryn Friedman Flack 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 ID5597050948
PECOS Enrollment IDI20240516002563
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 11

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.

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.
171 services163 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.
106 services106 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.
87 services87 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.
51 services38 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.
45 services18 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.
43 services43 patients

Hospital Affiliations CMS Care Compare 5

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

University Medical Center Of Princeton At Plainsboro

Acute Care Hospitals · Plainsboro, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310010
LocationOne-Five Plainsboro RoadPlainsboro, NJ 08536 · Middlesex County
Emergency services Birthing friendly

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

Chester County Hospital

Acute Care Hospitals · West Chester, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390179
Location701 East Marshall StreetWest Chester, PA 19380 · Chester County
Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390223
Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County
Emergency services

Pennsylvania Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390226
Location800 Spruce StreetPhiladelphia, PA 19107 · 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
$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.

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.

Anesthesiology (Critical Care Medicine)
3400 SPRUCE STREET
PHILADELPHIA, PA 19104
Radiology (Diagnostic Radiology)
3400 SPRUCE STREET
PHILADELPHIA, PA 19104
Surgery (Surgical Critical Care)
3400 SPRUCE STREET, 2 DULLES
PHILADELPHIA, PA 19104
Obstetrics & Gynecology
3400 SPRUCE STREET, 5 PENN TOWER
PHILADELPHIA, PA 19104
Radiology (Diagnostic Radiology)
3400 SPRUCE STREET, GROUND FLOOR DULLES
PHILADELPHIA, PA 19104
Obstetrics & Gynecology
3400 SPRUCE STREET, 1 WEST GATES
PHILADELPHIA, PA 19104
Emergency Medicine
3400 SPRUCE STREET, GROUND SILVERSTEIN BLDG
PHILADELPHIA, PA 19104
Psychiatry & Neurology (Neurology)
3400 SPRUCE STREET
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 Kathryn Flack's NPI number?

The NPI number for Kathryn Flack is 1770938862. It was assigned to this individual provider in the NPPES registry on April 26, 2016. The provider is also known as Kathryn Blair Friedman.

Where is Kathryn Flack located?

Kathryn Flack practices at 3400 Spruce Street 3 Ravdin Bldg. Ste. F, Philadelphia, PA 19104. The listed phone number is (215) 662-3202.

What is Kathryn Flack's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Kathryn Flack enrolled in Medicare?

Yes. Kathryn Flack 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 Kathryn Flack accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Kathryn Flack 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 Kathryn Flack affiliated with any hospitals?

According to CMS data, Kathryn Flack is affiliated with University Medical Center Of Princeton At Plainsboro, Hospital Of Univ Of Pennsylvania, Chester County Hospital, Penn Presbyterian Medical Center and Pennsylvania Hospital.

When was this NPI record last updated?

The NPPES record for Kathryn Flack was last updated on April 22, 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.