Dr. Annamuthu Krishna, MD
- Medicare services, 2024
- 37
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 300
- Hospital affiliations
- 1
- Industry payments
- $1,322
- Practice address
- 130 Division St, Derby, CT 06418
- Practice phone
- Call (203) 732-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Annamuthu Krishna is an endocrinologist in Derby, Connecticut
Dr. Krishna practices at Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
Dr. Krishna's NPI, 1477867539, was assigned on August 1, 2010. Dr. Krishna holds Virginia license 0101264408.
- NPI
- 1477867539NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446561336
- NPI enumeration date
- August 1, 2010
- NPI status
- Active
- Practice phone
- (203) 732-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Annamuthu Krishna practices at 2 locations in Derby, Connecticut
Dr. Krishna's primary practice is Griffin Hospital, at 130 Division St, Derby, CT 06418 in New Haven County. The practice phone is (203) 732-7500. Dr. Krishna also practices at Griffin Hospital, 144 Division St, Derby, CT 06418.
- Griffin HospitalPrimary130 Division St, Derby, CT 06418 · New Haven CountyPhone(203) 732-7500
- Griffin Hospital144 Division St, Derby, CT 06418 · Naugatuck Vly CountyPhone(203) 732-7360
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Annamuthu Krishna is affiliated with 2 sites of care and 2 medical groups
Dr. Krishna's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. The medical group on file is Arthritis & Rheumatology Center. Dmand AI also links Dr. Krishna to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Annamuthu Krishna's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Krishna practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Griffin Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Griffin Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Annamuthu Krishna is one of 188 endocrinologists in Connecticut
Endocrinology, diabetes and metabolism is Dr. Krishna's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Krishna is licensed in Virginia.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, VirginiaPrimary
Endocrinologists near Dr. Krishna
Counts of endocrinologists 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. Annamuthu Krishna billed Medicare for 37 services in 2024
CMS data shows 37 Medicare services from Dr. Krishna across 2 procedure codes in 2024, for 35 Medicare patients. Medicare paid $698 for them. Every service was in an office.
Dr. Krishna's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1642024: 2485%
- Lab and pathology
- 2023: 432024: 1370%
Dr. Krishna compared with the Connecticut median for endocrinologists, 2024
- Dr. Krishna
- Connecticut median
- Medicare services
- 37vs 45792% below
- Medicare patients
- 35vs 21384% below
- Part D claims
- 154vs 1,32788% below
Medians across 179 endocrinologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Krishna'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Annamuthu Krishna treated 35 Medicare patients in 2024, average age 74
CMS counts 35 Medicare patients who saw Dr. Krishna in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Krishna's median patient age at 70, with 67% women.
Dr. Krishna's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Krishna's Medicare patients by sex, 2024
- Women2366%
- Men1234%
Chronic conditions among Dr. Krishna's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Arthritis37%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Krishna'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
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Annamuthu Krishna wrote 300 Medicare Part D claims in 2024
In 2024, Dr. Krishna wrote 300 Medicare Part D claims for 70 patients. 52% of them were for generic drugs. CMS names the drug for 154 of them, across 8 drugs with 11 or more claims each, at $33,694 in total drug cost. In 2023, CMS named 281 claims across 13 drugs.
Dr. Krishna's Part D claims by kind of drug, 2024
- Generic156 claims52%
- Brand-name and other144 claims48%
Dr. Krishna's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2812024: 15445%
Drugs named by CMS: 8 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Annamuthu Krishna received $1,322 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Krishna from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Insulet Corporation paid the most, $306.
General payments to Dr. Krishna by program year, 2016 to 2025
Companies that paid Dr. Krishna the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Annamuthu Krishna'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Annamuthu Krishna
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. Annamuthu Krishna's NPI number?
Dr. Annamuthu Krishna's NPI number is 1477867539. It was assigned on August 1, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Annamuthu Krishna?
Dr. Annamuthu Krishna is an endocrinologist in Derby, Connecticut. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Annamuthu Krishna practice?
Dr. Krishna practices at 130 Division St, Derby, CT 06418. Dr. Krishna also practices at 144 Division St, Derby, CT 06418. Dr. Krishna's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. Dmand AI also links Dr. Krishna to 1 group practice or clinic and 1 medical group.
What is Dr. Annamuthu Krishna's office phone number?
The practice phone on file for Dr. Krishna is (203) 732-7500.
What is Dr. Annamuthu Krishna's medical license number?
Dr. Krishna holds Virginia license 0101264408.
Which hospitals is Dr. Annamuthu Krishna affiliated with?
Dr. Krishna practices at Griffin Hospital in Derby, Connecticut.
What medical group is Dr. Annamuthu Krishna part of?
Dr. Krishna is linked to Arthritis & Rheumatology Center. Dmand AI links Dr. Krishna to 1 more medical group.
Does Dr. Annamuthu Krishna accept Medicare?
Yes. CMS data shows Dr. Krishna billed Medicare for 37 services in 2024.
How many Medicare patients does Dr. Annamuthu Krishna see?
CMS counts 35 Medicare patients who saw Dr. Krishna in 2024, with an average age of 74.
What services does Dr. Annamuthu Krishna bill to Medicare?
In 2024, Dr. Krishna's most billed Medicare services were office visit, established patient (99214) and lab and pathology test (82962).
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What drugs does Dr. Annamuthu Krishna prescribe most?
In 2024 Medicare Part D data, Dr. Krishna's most prescribed drugs by claims were Levothyroxine Sodium, Metformin HCl and Lantus Solostar.
Has Dr. Annamuthu Krishna received payments from drug or device companies?
CMS Open Payments shows $1,322 in general payments to Dr. Krishna from 19 companies from 2016 to 2025. The largest total came from Insulet Corporation.
How long has Dr. Annamuthu Krishna been practicing?
Dr. Krishna graduated from medical school in 2010, 16 years ago.
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