1. Home
  2. Directory
  3. California
  4. Livermore
  5. Internal Medicine
  6. NPI Profile

HEMNISHIL KUMAR MARELLA DO
NPI 1760915771
Internal Medicine - Gastroenterology in Livermore, CA

Active since April 06, 2017PECOS EnrolledAccepts Medicare Assignment
1133 E STANLEY BLVD STE 207, LIVERMORE, CA 94550(925) 454-6390 Get Directions Write a Review

NPPES record last updated: October 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2024, Apr 14, 2022, Apr 8, 2022 (3 updates tracked since 2022).

About Hemnishil Kumar Marella Do NPPES

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

HEMNISHIL KUMAR MARELLA DO (NPI 1760915771) is an individual gastroenterology provider in Livermore, California, licensed in California (20A22252) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Lincoln Mem Univ, Debusk Col Of Osteopathic Med (2017).

NPPES Registry Identity

NPI1760915771
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameHEMNISHIL KUMAR MARELLACredential: DO
Location Address1133 E STANLEY BLVD STE 207Livermore, CA 94550-4246
Mailing Address1133 E Stanley Blvd Ste 207Livermore, CA 94550-4246 · (925) 454-6390
Phone(925) 454-6390
Sole ProprietorYes
Medical School CMSLincoln Mem Univ, Debusk Col Of Osteopathic MedGraduated 2017
Enumeration DateApril 6, 2017
Last NPPES UpdateOctober 8, 20243 updates tracked since enumeration
NPPES CertifiedOctober 8, 2024
✔ NPI 1760915771 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · 20A22252
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 20A22252 (CA), 0000004580 (TN)
1133 E STANLEY BLVD STE 207, Livermore, CA 94550
Open in Google Maps ↗

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

Hemnishil Kumar Marella Do 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 ID5294118998
PECOS Enrollment IDI20240418003326
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 Hemnishil Marella reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stanford Health Care
5.9 mi
Radiation Oncology
5725 W LAS POSITAS BLVD, SUITE 100B
Pleasanton, CA 94588
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
NPI 1124561758 (650) 723-4000
University Healthcare Alliance
18 mi
Internal Medicine
7999 GATEWAY BLVD STE 200
Newark, CA 94560
  • Reassigned Medicare billing, California enrollment
  • 435 clinicians in this Medicare group
NPI 1760531198 (888) 924-1036
Southeastern Physician Services PC
2,069 mi
Hospitalist
990 OAK RIDGE TPKE
Oak Ridge, TN 37830
  • Reassigned Medicare billing, Tennessee enrollment
  • 1,085 clinicians in this Medicare group
NPI 1083835441 (865) 481-1000

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 5

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
53 services53 patients
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.
22 services19 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
17 services17 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
13 services13 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94550 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 2

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

DR. RU MIN LEE M.D.
Internal Medicine (Gastroenterology)
1133 E STANLEY BLVD STE 207
LIVERMORE, CA 94550
Alameda County (925) 454-6390
KAYVON SOTOUDEH M.D.
Internal Medicine (Gastroenterology)
1133 E STANLEY BLVD STE 207
LIVERMORE, CA 94550
Alameda County (925) 373-4129

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 Hemnishil Marella's NPI number?

The NPI number for Hemnishil Marella is 1760915771. It was assigned to this individual provider in the NPPES registry on April 6, 2017.

Where is Hemnishil Marella located?

Hemnishil Marella practices at 1133 E Stanley Blvd Ste 207, Livermore, CA 94550. The listed phone number is (925) 454-6390.

What is Hemnishil Marella's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Hemnishil Marella enrolled in Medicare?

Yes. Hemnishil Marella 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 Hemnishil Marella's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hemnishil Marella reassigns Medicare benefits to 3 organizations: Stanford Health Care (Pleasanton, CA), University Healthcare Alliance (Newark, CA) and Southeastern Physician Services PC (Oak Ridge, 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 Hemnishil Marella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hemnishil Marella was last updated on October 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.