STEPHEN BRETT FLACK M. D.
NPI 1396742631
Hospitalist in Chambersburg, PA

Q: What is Stephen Flack's NPI number?

The NPI number for Stephen Flack is 1396742631. It was assigned to this individual provider in the NPPES registry on July 1, 2005.

Q: What is Stephen Flack's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Flack was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since July 01, 2005PECOS EnrolledAccepts Medicare Assignment

3106 PHILADELPHIA AVE, CHAMBERSBURG, PA 17201(717) 264-3644(717) 264-9077 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 13, 2025, May 30, 2025, Sep 12, 2024 and 8 more (11 updates tracked since 2017).

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About Stephen Brett Flack M. D. NPPES

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

STEPHEN BRETT FLACK M. D. (NPI 1396742631) is an individual hospitalist provider in Chambersburg, Pennsylvania, licensed in Pennsylvania (MD069240L) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and maintains 22 additional practice locations.

NPPES Registry Identity

NPI1396742631

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameSTEPHEN BRETT FLACKCredential: M. D.

Location Address3106 PHILADELPHIA AVEChambersburg, PA 17201-8938

Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405

Phone(717) 264-3644

Fax(717) 264-9077

Sole ProprietorNo

Medical School CMSTemple University School Of MedicineGraduated 1997

Enumeration DateJuly 1, 2005

Last NPPES UpdateAugust 27, 202511 updates tracked since enumeration

NPPES CertifiedAugust 27, 2025

✔ NPI 1396742631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in PA · MD069240L

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 ListedFamily MedicineTaxonomy 207Q00000X · License MD069240L (PA)

3106 PHILADELPHIA AVE, Chambersburg, PA 17201

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Secondary Practice Locations 22

Location 12 Keefer DrMercersburg, PA 17236-1732 · Phone (717) 328-2119 · Fax (717) 328-0071

Location 22055 Scotland AveChambersburg, PA 17201-1451 · Phone (717) 217-6055 · Fax (717) 217-4329

Location 312 St Paul Dr Ste 101Chambersburg, PA 17201-1035 · Phone (717) 217-6760 · Fax (717) 217-6912

Location 412 St Paul Dr Ste 203Chambersburg, PA 17201-1035 · Phone (717) 264-6511 · Fax (717) 264-1081

Location 524 Antrim Commons DrGreencastle, PA 17225-1623 · Phone (717) 597-5553 · Fax (717) 597-5522

Location 646 Walnut Bottom Rd Ste 200Shippensburg, PA 17257-8219 · Phone (717) 532-4148 · Fax (717) 532-1356

Location 7601 E Main StWaynesboro, PA 17268-2332 · Phone (717) 765-5085 · Fax (717) 765-5066

Location 8112 N 7th StChambersburg, PA 17201-1720 · Phone (717) 217-4300 · Fax (717) 217-4217

Location 9501 E Main StWaynesboro, PA 17268-2353 · Phone (717) 765-4000 · Fax (717) 765-3669

Location 10130 E Main StFayetteville, PA 17222-9503 · Phone (717) 352-7881 · Fax (717) 352-8850

Location 11761 5th Ave Ste AChambersburg, PA 17201-4210 · Phone (717) 261-2583 · Fax (717) 261-2584

Location 121401 Roosevelt AveYork, PA 17404-2244 · Phone (717) 356-6250

Location 131425 Philadelphia AveChambersburg, PA 17201-1386 · Phone (717) 217-6055

Location 142075 Scotland AveChambersburg, PA 17201-1451 · Phone (717) 217-6055

Location 1522 St Paul DrChambersburg, PA 17201-1036 · Phone (717) 264-6511

Location 16220 Wilson St Ste 109Carlisle, PA 17013-3697 · Phone (717) 249-1929

Location 17354 Alexander Spring Rd Ste 3Carlisle, PA 17015-7451 · Phone (717) 477-2764

Location 188131 Spyglass Hill DrFayetteville, PA 17222-5500 · Phone (717) 749-3181

Location 191000 Norland AveChambersburg, PA 17201-4229 · Phone (717) 267-6363

Location 20455 S Washington St Ste 12Gettysburg, PA 17325-2516 · Phone (717) 339-2875

Location 2146 Walnut Bottom Rd Ste 100Shippensburg, PA 17257-8219 · Phone (717) 477-2764

Location 22100 Eisenhower DrHanover, PA 17331-5241 · Phone (717) 646-4201

Other Identifiers 2

Other867633PA · Medicare Group #

Medicaid001789369PA

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

Stephen Brett Flack 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 ID7012961444

PECOS Enrollment IDI20050309000398

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 8

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 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.

437 services224 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

348 services214 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

99 services96 patients

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.

97 services87 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

89 services89 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

58 services17 patients

Hospital Affiliations CMS Care Compare 3

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

Wellspan York Hospital

Acute Care Hospitals · York, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390046

Location1001 South George StreetYork, PA 17403 · York County

Emergency services Birthing friendly

Wellspan Waynesboro Hospital

Acute Care Hospitals · Waynesboro, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390138

Location501 East Main StWaynesboro, PA 17268 · Franklin County

Emergency services

Wellspan Chambersburg Hospital

Acute Care Hospitals · Chambersburg, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390151

Location112 North Seventh StreetChambersburg, PA 17201 · Franklin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17201 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

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

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.

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.

Reported Quality Measures

Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older

Percentage of female patients aged 65 years and older who were assessed for the presence or absence of urinary incontinence within 12 months

100%101 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

14 suppliers54 claims97 services$5.98 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers21 claims23 services$1.10 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 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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