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DR. NICHOLAS ANDREW FLYNN M.D.
NPI 1750701900
Internal Medicine in Nashville, TN

Active since April 25, 2014PECOS EnrolledAccepts Medicare Assignment
2000 CHURCH ST BOX 102 IP HOSPITALIST BOX 102IP, NASHVILLE, TN 37236(615) 284-4672(615) 284-5752 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Jul 31, 2017, Jun 30, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Nicholas Andrew Flynn M.d. NPPES

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

DR. NICHOLAS ANDREW FLYNN M.D. (NPI 1750701900) is an individual internal medicine provider in Nashville, Tennessee, licensed in Tennessee (53313) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Ascension Saint Thomas Hospital, and is a graduate of East Tennessee State University Quillen College Of Medicine (2014).

NPPES Registry Identity

NPI1750701900
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. NICHOLAS ANDREW FLYNNCredential: M.D.
Location Address2000 CHURCH ST BOX 102 IP HOSPITALIST BOX 102IPNashville, TN 37236-0001
Mailing Address2000 Church StNashville, TN 37236-0001 · (615) 284-4672 · Fax (615) 284-5752
Phone(615) 284-4672
Fax(615) 284-5752
Sole ProprietorNo
Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 2014
Enumeration DateApril 25, 2014
Last NPPES UpdateJuly 21, 20224 updates tracked since enumeration
✔ NPI 1750701900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · 53313
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2000 CHURCH ST BOX 102 IP HOSPITALIST BOX 102IP, Nashville, TN 37236
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company.Insurance ›

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

Dr. Nicholas Andrew Flynn 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 ID6709108848
PECOS Enrollment IDI20170713003529
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

3

Medicare enrollment records show Nicholas Flynn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Warner Physician Services PC
Same address
Hospitalist
2000 CHURCH ST
Nashville, TN 37236
  • Reassigned Medicare billing, Tennessee enrollment
  • 85 clinicians in this Medicare group
NPI 1770272221 (615) 284-5555
Saint Thomas Medical Partners
0.1 mi
Internal Medicine
2011 MURPHY AVE, SUITE 301
Nashville, TN 37203
  • Reassigned Medicare billing, Tennessee enrollment
  • 1,304 clinicians in this Medicare group
NPI 1437194669 (615) 327-9543
Beaman Physician Services, PC
2.9 mi
Hospitalist
4220 HARDING PIKE
Nashville, TN 37205
  • Reassigned Medicare billing, Tennessee enrollment
  • 97 clinicians in this Medicare group
NPI 1487342242 (615) 222-2111

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 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.

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.
108 services49 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
78 services40 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
49 services49 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440082
Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37236 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 2

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers28 claims28 services$104.33 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
2 suppliers12 claims12 services$37.66 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Nicholas Flynn's NPI number?

The NPI number for Nicholas Flynn is 1750701900. It was assigned to this individual provider in the NPPES registry on April 25, 2014.

Where is Nicholas Flynn located?

Nicholas Flynn practices at 2000 Church St Box 102 Ip Hospitalist Box 102ip, Nashville, TN 37236. The listed phone number is (615) 284-4672.

What is Nicholas Flynn's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nicholas Flynn enrolled in Medicare?

Yes. Nicholas Flynn 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 Nicholas Flynn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Flynn reassigns Medicare benefits to 3 organizations: Warner Physician Services PC (Nashville, TN), Saint Thomas Medical Partners (Nashville, TN) and Beaman Physician Services, PC (Nashville, TN). 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 Nicholas Flynn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Flynn accept?

Health plans from Oscar Health and Oscar Insurance Company list Nicholas Flynn 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 Nicholas Flynn affiliated with any hospitals?

According to CMS data, Nicholas Flynn is affiliated with Ascension Saint Thomas Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Flynn was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.