Dr. Mary Ann Iyer, MD
- Medicare services, 2018
- 161
- Part D claims, 2018
- 74
- Hospital affiliations
- 1
- State licenses
- 3
- Year NPI issued
- 2006
- Practice address
- 2615 Chester Avenue, Bakersfield, CA 93301
- Practice phone
- Call (661) 395-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Iyer'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. Mary Ann Iyer is an internist in Bakersfield, California
Dr. Iyer practices at Adventist Health Bakersfield in Bakersfield, California, part of Adventist Health.
Dr. Iyer's NPI, 1366470502, was assigned on June 28, 2006. Dr. Iyer holds Hawaii license 19313.
- NPI
- 1366470502NPI Registry (opens in a new tab)
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Practice phone
- (661) 395-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mary Ann Iyer practices at Adventist Health Bakersfield in Bakersfield, California
Dr. Iyer's primary practice is Adventist Health Bakersfield, at 2615 Chester Avenue, Bakersfield, CA 93301 in Kern County. The practice phone is (661) 395-3000.
- Adventist Health Bakersfield2615 Chester Avenue, Bakersfield, CA 93301 · Kern CountyPhone(661) 395-3000
Source: Dmand AI Affiliation Data
Dr. Mary Ann Iyer is affiliated with 2 sites of care
Dr. Iyer's primary practice is Adventist Health Bakersfield in Bakersfield, California, part of Adventist Health. Dmand AI also links Dr. Iyer to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Ann Iyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Iyer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Bakersfield | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mary Ann Iyer is one of 16,751 internists in California
Internal medicine is Dr. Iyer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Iyer's licenses on file in 3 states: Hawaii, North Carolina and Oregon.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
- Public health and general preventive medicine, North Carolina
- Oregon license
Internists near Dr. Iyer
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. Mary Ann Iyer billed Medicare for 161 services in 2018
CMS data shows 161 Medicare services from Dr. Iyer across 3 procedure codes in 2018, all of them office visits. Medicare paid $9,566 for them. Every service was in an office.
Dr. Iyer compared with the California median for internists, 2018
- Dr. Iyer
- California median
- Medicare services
- 161vs 36155% below
- Part D claims
- 74vs 42182% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Iyer's most billed Medicare procedure codes, 2018
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. Iyer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Iyer and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Ann Iyer's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Iyer's median patient age at 62, with 50% women.
Dr. Iyer'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
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Mary Ann Iyer wrote 74 Medicare Part D claims in 2018
In 2018, Dr. Iyer wrote 74 Medicare Part D claims. They cover 5 drugs, with $4,250 in total drug cost.
Dr. Iyer's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Mary Ann Iyer'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Mary Ann Iyer
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. Mary Ann Iyer's NPI number?
Dr. Mary Ann Iyer's NPI number is 1366470502. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Ann Iyer?
Dr. Mary Ann Iyer is an internist in Bakersfield, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary Ann Iyer practice?
Dr. Iyer practices at 2615 Chester Avenue, Bakersfield, CA 93301. Dr. Iyer's primary practice is Adventist Health Bakersfield in Bakersfield, California, part of Adventist Health. Dmand AI also links Dr. Iyer to 1 physician office.
What is Dr. Mary Ann Iyer's office phone number?
The practice phone on file for Dr. Iyer is (661) 395-3000.
What is Dr. Mary Ann Iyer's medical license number?
Dr. Iyer holds Hawaii license 19313, one of the licenses on file in 3 states.
Which states has Dr. Mary Ann Iyer been licensed in?
Dmand AI has state licenses on file for Dr. Iyer in Hawaii, North Carolina and Oregon.
Which hospitals is Dr. Mary Ann Iyer affiliated with?
Dr. Iyer practices at Adventist Health Bakersfield in Bakersfield, California.
Does Dr. Mary Ann Iyer accept Medicare?
Yes. CMS data shows Dr. Iyer billed Medicare for 161 services in 2018.
What services does Dr. Mary Ann Iyer bill to Medicare?
In 2018, Dr. Iyer's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99212).
What drugs does Dr. Mary Ann Iyer prescribe most?
In 2018 Medicare Part D data, Dr. Iyer's most prescribed drugs by claims were Metformin HCl, Omeprazole and Lantus.
How long has Dr. Mary Ann Iyer been practicing?
Dr. Iyer's NPI was assigned in 2006.
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