DR. WALTER EDWARD MASHMAN MD
NPI 1639174840
Internal Medicine - Cardiovascular Disease in Atlanta, GA

Active since June 15, 2005PECOS EnrolledAccepts Medicare Assignment
90.8/100
CMS Quality Rating
275 COLLIER RD NW, STE 300, ATLANTA, GA 30309(404) 605-2800(404) 251-5983 Get Directions Write a Review

NPPES record last updated: September 15, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Walter Edward Mashman Md NPPES

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

DR. WALTER EDWARD MASHMAN MD (NPI 1639174840) is an individual cardiovascular disease provider in Atlanta, Georgia, licensed in Georgia (032956) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Piedmont Hospital, and is a graduate of New York University School Of Medicine (1988).

NPPES Registry Identity

NPI1639174840
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. WALTER EDWARD MASHMANCredential: MD
Location Address275 COLLIER RD NW, STE 300Atlanta, GA 30309-1709
Mailing Address275 Collier Rd Nw, Ste 300Atlanta, GA 30309-1709 · (404) 605-2800 · Fax (404) 251-5983
Fax(404) 251-5983
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 1988
Enumeration DateJune 15, 2005
Last NPPES UpdateSeptember 15, 2010
NPI 1639174840 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in GA · 032956
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
275 COLLIER RD NW, Atlanta, GA 30309

Other Identifiers 3

Medicaid000546499QRTGA
Medicare PIN202I061119GA
Medicare UPINF55632

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

Dr. Walter Edward Mashman 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 ID4981501137
PECOS Enrollment IDI20040116000701
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 22

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.
586 services376 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
423 services419 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
72 services69 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.
48 services34 patients
Blood test, clotting time 85610
A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.
47 services30 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.
46 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Piedmont Hospital

Acute Care Hospitals · Atlanta, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110083
Location1968 Peachtree Rd NWAtlanta, GA 30309 · Fulton County
Emergency services Birthing friendly

Piedmont Fayette Hospital

Acute Care Hospitals · Fayetteville, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110215
Location1255 Highway 54 WestFayetteville, GA 30214 · Fayette County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30309 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
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
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.

90.8/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities20

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…
18%310 patients1/55-star benchmark: 100%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
61%195 patients3/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
67%312 patients3/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
69%322 patients3/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
0%301 patients1/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
62%107 patients3/55-star benchmark: 98%
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 20

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

Nurse Practitioner (Family)
275 COLLIER RD NW, SUITE 300
ATLANTA, GA 30309
Physician Assistant
275 COLLIER RD NW
ATLANTA, GA 30309
Internal Medicine (Clinical Cardiac Electrophysiology)
275 COLLIER RD NW, SUITE 500
ATLANTA, GA 30309
Specialist
275 COLLIER RD NW, 100-A
ATLANTA, GA 30309
Nurse Practitioner
275 COLLIER RD NW, SUITE 500
ATLANTA, GA 30309
Specialist
275 COLLIER RD NW, SUITE 100-B
ATLANTA, GA 30309
Nurse Practitioner
275 COLLIER RD NW, STE 300
ATLANTA, GA 30309
Nurse Practitioner (Family)
275 COLLIER RD NW, STE 500
ATLANTA, GA 30309

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 Walter Mashman's NPI number?

The NPI number for Walter Mashman is 1639174840. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Where is Walter Mashman located?

Walter Mashman practices at 275 Collier Rd NW Ste 300, Atlanta, GA 30309. The listed phone number is (404) 605-2800.

What is Walter Mashman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Walter Mashman enrolled in Medicare?

Yes. Walter Mashman 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 Walter Mashman accept?

Health plans from Alliant Health Plans, Inc. and UnitedHealthcare list Walter Mashman 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 Walter Mashman affiliated with any hospitals?

According to CMS data, Walter Mashman is affiliated with Piedmont Hospital and Piedmont Fayette Hospital.

When was this NPI record last updated?

The NPPES record for Walter Mashman was last updated on September 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.