DR. MONA MASHAYEKHI MD/PHD
NPI 1275976110
Internal Medicine - Endocrinology, Diabetes & Metabolism in Nashville, TN

Q: What is Mona Mashayekhi's NPI number?

The NPI number for Mona Mashayekhi is 1275976110. It was assigned to this individual provider in the NPPES registry on April 10, 2013.

Q: What is Mona Mashayekhi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Mona Mashayekhi was last updated on November 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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 April 10, 2013PECOS EnrolledAccepts Medicare Assignment

1215 21ST AVE S FL 8, NASHVILLE, TN 37232(615) 343-8332 Get Directions Write a Review

NPPES record last updated: November 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 20, 2024, Oct 19, 2020, Mar 30, 2020 and 3 more (6 updates tracked since 2018).

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About Dr. Mona Mashayekhi Md/phd NPPES

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

DR. MONA MASHAYEKHI MD/PHD (NPI 1275976110) is an individual endocrinology, diabetes & metabolism provider in Nashville, Tennessee, licensed in Tennessee (52495) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and maintains a secondary practice location in Nashville.

NPPES Registry Identity

NPI1275976110

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameDR. MONA MASHAYEKHICredential: MD/PHD

Location Address1215 21ST AVE S FL 8Nashville, TN 37232-2005

Mailing Address3841 Green Hills Village Dr Ste 200Nashville, TN 37215-2691 · (615) 936-2000

Phone(615) 343-8332

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 2013

Enumeration DateApril 10, 2013

Last NPPES UpdateNovember 20, 20246 updates tracked since enumeration

NPPES CertifiedNovember 20, 2024

✔ NPI 1275976110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in TN · 52495

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 52495 (TN)

1215 21ST AVE S FL 8, Nashville, TN 37232

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Secondary Practice Location 1

Location 14220 Harding PikeNashville, TN 37205-2005 · Phone (615) 222-6977

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee, Cigna Healthcare and more.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. Mona Mashayekhi Md/phd 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 ID6901100387

PECOS Enrollment IDI20170929001920

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

Medicare enrollment records show Mona Mashayekhi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vanderbilt University Medical Center

0.3 mi

Internal Medicine

1301 22ND AVE S
Nashville, TN 37232

Reassigned Medicare billing, Tennessee enrollment
4,711 clinicians in this Medicare group

NPI 1104202761 (615) 936-2000

Saint Thomas Medical Partners

0.8 mi

Clinical Neuropsychologist

2021 CHURCH ST, STE. 102
Nashville, TN 37203

Reassigned Medicare billing, Tennessee enrollment
1,304 clinicians in this Medicare group

NPI 1558506980 (615) 284-7555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440039

Location1211 Medical Center DriveNashville, TN 37232 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37232 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.

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

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

95%21 patients4/55-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.

Other Providers at the Same Location NPPES 3

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

STEPHANIE KOVACS RD, LDN, CDE

Dietitian, Registered (Nutrition, Pediatric)

1215 21ST AVE S FL 8
NASHVILLE, TN 37232

Davidson County (931) 241-1945

CLAUDIA RAINES MS CF-SLP

Speech-Language Pathologist

1215 21ST AVE S FL 8
NASHVILLE, TN 37232

Davidson County (989) 392-2928

NIKITHA ANN CHERAYIL MD

Student in an Organized Health Care Education/Training Program

1215 21ST AVE S FL 8
NASHVILLE, TN 37232

Davidson County (615) 343-8332

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 Mona Mashayekhi's NPI number?

The NPI number for Mona Mashayekhi is 1275976110. It was assigned to this individual provider in the NPPES registry on April 10, 2013.

Where is Mona Mashayekhi located?

Mona Mashayekhi practices at 1215 21st Ave S Fl 8, Nashville, TN 37232. The listed phone number is (615) 343-8332.

What is Mona Mashayekhi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Mona Mashayekhi enrolled in Medicare?

Yes. Mona Mashayekhi 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 Mona Mashayekhi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mona Mashayekhi reassigns Medicare benefits to 2 organizations: Vanderbilt University Medical Center (Nashville, TN) and Saint Thomas Medical Partners (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 Mona Mashayekhi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mona Mashayekhi accept?

Health plans from Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee, Cigna Healthcare and Oscar Insurance Company list Mona Mashayekhi 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 Mona Mashayekhi affiliated with any hospitals?

According to CMS data, Mona Mashayekhi is affiliated with Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Mona Mashayekhi was last updated on November 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.