Dr. Appannagari Gnanadev, MD
- Medicare services, 2020
- 34
- Medicare patients, 2024
- 20
- Part D claims, 2017
- 16
- Hospital affiliations
- 1
- Industry payments
- $33
- Practice address
- 400 North Pepper Avenue, Colton, CA 92324
- Practice phone
- Call (909) 580-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gnanadev's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Appannagari Gnanadev is a general surgeon in Colton, California
Dr. Gnanadev practices at Arrowhead Regional Medical Center in Colton, California, part of San Bernardino County.
Dr. Gnanadev's NPI, 1104933985, was assigned on August 25, 2006. Dr. Gnanadev graduated from Kurnool Medical College in 1972. Dr. Gnanadev holds California license 00A357430.
- NPI
- 1104933985NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769395664
- NPI enumeration date
- August 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 580-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Appannagari Gnanadev practices at Arrowhead Regional Medical Center in Colton, California
Dr. Gnanadev's primary practice is Arrowhead Regional Medical Center, at 400 North Pepper Avenue, Colton, CA 92324 in San Bernardino County. The practice phone is (909) 580-1000.
- Arrowhead Regional Medical Center400 North Pepper Avenue, Colton, CA 92324 · San Bernardino CountyPhone(909) 580-1000
Source: Dmand AI Affiliation Data
Dr. Appannagari Gnanadev is affiliated with 1 site of care and 1 medical group
Dr. Gnanadev's primary practice is Arrowhead Regional Medical Center in Colton, California, part of San Bernardino County. The medical group on file is Cal Med Physicians and Surgeons.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Appannagari Gnanadev's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gnanadev practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arrowhead Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Appannagari Gnanadev is one of 2,926 general surgeons in California
Surgery is Dr. Gnanadev's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gnanadev is board certified in surgery by the American Board of Surgery. Dr. Gnanadev is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists blood vessel access for dialysis and carotid revascularization among the conditions Dr. Gnanadev treats.
General surgeons near Dr. Gnanadev
Counts of general surgeons 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. Appannagari Gnanadev billed Medicare for 34 services in 2020
CMS data shows 34 Medicare services from Dr. Gnanadev across 2 procedure codes in 2020, all of them office visits, for 20 Medicare patients. Medicare paid $1,814 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gnanadev's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 302020: 3413%
Dr. Gnanadev compared with the California median for general surgeons, 2020
- Dr. Gnanadev
- California median
- Medicare services
- 34vs 16680% below
- Medicare patients
- 20vs 12183% below
- Part D claims
- 16vs 3453% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Gnanadev's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gnanadev?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gnanadev and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Appannagari Gnanadev treated 20 Medicare patients in 2024, average age 70
CMS counts 20 Medicare patients who saw Dr. Gnanadev in 2024. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 3.66, 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. Gnanadev's median patient age at 62, with 52% women.
Chronic conditions among Dr. Gnanadev's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gnanadev's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
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. Appannagari Gnanadev wrote 16 Medicare Part D claims in 2017
In 2017, Dr. Gnanadev wrote 16 Medicare Part D claims. They cover 1 drug, with $90 in total drug cost. In 2016, CMS named 19 claims across 1 drug.
Dr. Gnanadev's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 192017: 1616%
Drugs named by CMS: 1 in 2017, 1 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Appannagari Gnanadev takes part in Medicare
Dr. Gnanadev 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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Dr. Appannagari Gnanadev received $33 in industry payments in 2019
CMS Open Payments shows 2 general payments to Dr. Gnanadev from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $33.
Companies that paid Dr. Gnanadev the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Appannagari Gnanadev has 7 awards and honors on record
Dmand AI lists 7 awards for Dr. Gnanadev, most recently Lifetime Achievement Award in 2017.
Awards and honors for Dr. Gnanadev
- 2017
- Lifetime Achievement Award
- 2012
- Most Distinguished Physician
- 2011
- John P. McGovern Compleat Physician Award
- 2007
- Arrowhead Distinguished Executive Officer
- 2005
- Annual Physician Recognition Award
- 2004
- Pride in Professions
Source: Dmand AI Professional Profile Data
Dr. Appannagari Gnanadev graduated from Kurnool Medical College
Dr. Gnanadev graduated from Kurnool Medical College in 1972.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
- Board certified in vascular surgery
Source: Dmand AI Professional Profile Data
Dr. Appannagari Gnanadev accepts plans from 9 insurance carriers
Dr. Gnanadev is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- CMS Medicare
- Humana
- +1 more carriersWith a free account
Plan types Dr. Gnanadev accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Appannagari Gnanadev's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Appannagari Gnanadev
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. Appannagari Gnanadev's NPI number?
Dr. Appannagari Gnanadev's NPI number is 1104933985. It was assigned on August 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Appannagari Gnanadev?
Dr. Appannagari Gnanadev is a general surgeon in Colton, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Appannagari Gnanadev practice?
Dr. Gnanadev practices at 400 North Pepper Avenue, Colton, CA 92324. Dr. Gnanadev's primary practice is Arrowhead Regional Medical Center in Colton, California, part of San Bernardino County.
What is Dr. Appannagari Gnanadev's office phone number?
The practice phone on file for Dr. Gnanadev is (909) 580-1000.
What is Dr. Appannagari Gnanadev's medical license number?
Dr. Gnanadev holds California license 00A357430.
Which hospitals is Dr. Appannagari Gnanadev affiliated with?
Dr. Gnanadev practices at Arrowhead Regional Medical Center in Colton, California.
What medical group is Dr. Appannagari Gnanadev part of?
Dr. Gnanadev is linked to Cal Med Physicians and Surgeons.
Does Dr. Appannagari Gnanadev accept Medicare?
Yes. CMS data shows Dr. Gnanadev billed Medicare for 34 services in 2020, and Dr. Gnanadev accepts Medicare assignment.
How many Medicare patients does Dr. Appannagari Gnanadev see?
CMS counts 20 Medicare patients who saw Dr. Gnanadev in 2024, with an average age of 70.
Is Dr. Appannagari Gnanadev board certified?
Yes. Dr. Gnanadev is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Appannagari Gnanadev bill to Medicare?
In 2020, Dr. Gnanadev's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Appannagari Gnanadev go to medical school?
Dr. Gnanadev graduated from Kurnool Medical College in 1972.
What drugs does Dr. Appannagari Gnanadev prescribe most?
In 2017 Medicare Part D data, Dr. Gnanadev's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Appannagari Gnanadev received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Dr. Gnanadev from 1 company from 2019 to 2019. The largest total came from Boston Scientific Corporation.
How long has Dr. Appannagari Gnanadev been practicing?
Dr. Gnanadev graduated from medical school in 1972, 54 years ago.
What insurance does Dr. Appannagari Gnanadev accept?
Dr. Gnanadev is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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