Dr. Mahesh Lellella, MD

  • Fremont, CA
  • Internist
NPI1669050498PAC ID3870943350
Medicare services, 2024
110
Medicare patients, 2024
42
Part D claims, 2024
25
Hospital affiliations
2
Medical groups
5
Practice address
39400 Paseo Padre Pkwy, Fremont, CA 94538
Practice phone
Call (510) 784-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fremont Medical Center

Hospital · Fremont, California

See all 8 affiliations

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Dr. Mahesh Lellella is an internist in Fremont, California

Dr. Lellella practices at Fremont Medical Center in Fremont, California, part of Kaiser Permanente.

Dr. Lellella's NPI, 1669050498, was assigned on April 1, 2021. Dr. Lellella holds California license 188418.

NPI and contact details
Medicare PAC ID
3870943350
NPI enumeration date
April 1, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 784-4000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mahesh Lellella practices at Fremont Medical Center in Fremont, California

Dr. Lellella's primary practice is Fremont Medical Center, at 39400 Paseo Padre Pkwy, Fremont, CA 94538 in Alameda County. The practice phone is (510) 784-4000.

Source: Dmand AI Affiliation Data

Dr. Mahesh Lellella is affiliated with 3 sites of care and 5 medical groups

Dr. Lellella's primary practice is Fremont Medical Center in Fremont, California, part of Kaiser Permanente. Dr. Lellella is also affiliated with San Leandro Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Lellella to 4 more medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Lellella

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mahesh Lellella's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lellella practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fremont Medical CenterAvailable with a free account
+2 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mahesh Lellella is one of 16,751 internists in California

Internal medicine is Dr. Lellella's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lellella is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 188418 · taxonomy 207R00000X

Internists near Dr. Lellella

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mahesh Lellella billed Medicare for 110 services in 2024

CMS data shows 110 Medicare services from Dr. Lellella across 3 procedure codes in 2024, for 42 Medicare patients. Medicare paid $8,452 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024110
Medicare patients42
Paid by Medicare$8,452
Procedure codes3

Dr. Lellella compared with the California median for internists, 2024

  • Dr. Lellella
  • California median
Medicare services
110vs 36170% below
Medicare patients
42vs 15172% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Lellella's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Lellella

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mahesh Lellella treated 42 Medicare patients in 2024, average age 74

CMS counts 42 Medicare patients who saw Dr. Lellella in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 52% are also on Medicaid. Their average risk score is 2.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lellella's median patient age at 70, with 52% women.

Medicare patients, 202442
Average age74
Average risk score2.88
Also on Medicaid52%

Dr. Lellella's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Lellella's Medicare patients by sex, 2024

  • Women2355%
  • Men1945%

Chronic conditions among Dr. Lellella's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure57%
  4. Ischemic heart disease55%
  5. Chronic kidney disease50%
  6. Diabetes50%
  7. Arthritis48%
  8. COPD43%

Share of Medicare patients with each condition. A patient can have several.

Dr. Lellella's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mahesh Lellella wrote 25 Medicare Part D claims in 2024

In 2024, Dr. Lellella wrote 25 Medicare Part D claims for 15 patients. 88% of them were for generic drugs.

Part D claims, 202425
Part D patients15

Dr. Lellella's Part D claims by kind of drug, 2024

  • Generic22 claims88%
  • Brand-name and other3 claims12%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Mahesh Lellella takes part in Medicare

Dr. Lellella accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Dr. Mahesh Lellella's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mahesh Lellella

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mahesh Lellella's NPI number?

Dr. Mahesh Lellella's NPI number is 1669050498. It was assigned on April 1, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Mahesh Lellella?

Dr. Mahesh Lellella is an internist in Fremont, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Mahesh Lellella practice?

Dr. Lellella practices at 39400 Paseo Padre Pkwy, Fremont, CA 94538. Dr. Lellella's primary practice is Fremont Medical Center in Fremont, California, part of Kaiser Permanente. Dmand AI also links Dr. Lellella to 4 medical groups and 1 group practice or clinic.

What is Dr. Mahesh Lellella's office phone number?

The practice phone on file for Dr. Lellella is (510) 784-4000.

What is Dr. Mahesh Lellella's medical license number?

Dr. Lellella holds California license 188418.

Which hospitals is Dr. Mahesh Lellella affiliated with?

Dr. Lellella practices at Fremont Medical Center in Fremont, California. Dr. Lellella is also affiliated with San Leandro Medical Center.

What medical group is Dr. Mahesh Lellella part of?

Dr. Lellella is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Lellella to 4 more medical groups.

Does Dr. Mahesh Lellella accept Medicare?

Yes. CMS data shows Dr. Lellella billed Medicare for 110 services in 2024, and Dr. Lellella accepts Medicare assignment.

How many Medicare patients does Dr. Mahesh Lellella see?

CMS counts 42 Medicare patients who saw Dr. Lellella in 2024, with an average age of 74.

What services does Dr. Mahesh Lellella bill to Medicare?

In 2024, Dr. Lellella's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99223).

How long has Dr. Mahesh Lellella been practicing?

Dr. Lellella graduated from medical school in 2007, 19 years ago.

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