Dr. Anacleto Baizas Diaz II, MD
- Medicare services, 2024
- 159
- Medicare patients, 2024
- 118
- Part D claims, 2024
- 4,720
- Hospital affiliations
- 1
- Industry payments
- $1,255
- Practice address
- 426 Michigan Street NE Suite 1112, Grand Rapids, MI 49503
- Practice phone
- Call (616) 486-6038
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corewell Health Mammography - 426 Michigan St NE
Mammography / Breast Imaging Center · Grand Rapids, Michigan
Find Dr. Diaz'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. Anacleto Baizas Diaz II is an internist in Grand Rapids, Michigan
Dr. Diaz practices at Corewell Health Mammography - 426 Michigan St NE in Grand Rapids, Michigan.
Dr. Diaz's NPI, 1922241942, was assigned on April 7, 2009. Dr. Diaz holds Michigan license 4301088886.
- NPI
- 1922241942NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981896511
- NPI enumeration date
- April 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (616) 486-6038
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anacleto Baizas Diaz II practices at Corewell Health Mammography - 426 Michigan St NE in Grand Rapids, Michigan
Dr. Diaz's primary practice is Corewell Health Mammography - 426 Michigan St NE, at 426 Michigan Street NE Suite 1112, Grand Rapids, MI 49503. The practice phone is (616) 486-6038.
- Corewell Health Mammography - 426 Michigan St NE426 Michigan Street NE Suite 1112, Grand Rapids, MI 49503Phone(616) 486-6038
Source: Dmand AI Affiliation Data
Dr. Anacleto Baizas Diaz II is affiliated with 4 sites of care and 3 medical groups
Dr. Diaz's primary practice is Corewell Health Mammography - 426 Michigan St NE in Grand Rapids, Michigan. Dr. Diaz is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Diaz to 2 more group practices and clinics and 2 medical groups, each named with a free account. Dr. Diaz's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Anacleto Baizas Diaz II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Mammography - 426 Michigan St NE | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anacleto Baizas Diaz II is one of 4,804 internists in Michigan
Internal medicine is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Diaz is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Diaz
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. Anacleto Baizas Diaz II billed Medicare for 159 services in 2024
CMS data shows 159 Medicare services from Dr. Diaz across 3 procedure codes in 2024, for 118 Medicare patients. Medicare paid $11,225 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1152024: 1215%
- Other services
- 2023: 282024: 3836%
Dr. Diaz compared with the Michigan median for internists, 2024
- Dr. Diaz
- Michigan median
- Medicare services
- 159vs 42362% below
- Medicare patients
- 118vs 15926% below
- Part D claims
- 4,140vs 31413.2 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Diaz'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anacleto Baizas Diaz II treated 118 Medicare patients in 2024, average age 70
CMS counts 118 Medicare patients who saw Dr. Diaz in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 57, with 46% women.
Dr. Diaz's Medicare patients by age, 2024
Dr. Diaz's Medicare patients by sex, 2024
- Women5547%
- Men6353%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis34%
- Mood disorders34%
- Depression30%
- Ischemic heart disease29%
- Anxiety26%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anacleto Baizas Diaz II wrote 4,720 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 4,720 Medicare Part D claims for 394 patients. 86% of them were for generic drugs. CMS names the drug for 4,140 of them, across 106 drugs with 11 or more claims each, at $412,680 in total drug cost. In 2023, CMS named 4,180 claims across 95 drugs.
Dr. Diaz's Part D claims by kind of drug, 2024
- Generic4,047 claims86%
- Brand-name624 claims13%
- Other49 claims1%
Dr. Diaz'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.
Drug classes CMS tracks in Dr. Diaz's Part D claims, 2024
- Opioids4%205 of 4,720 claims
- Antibiotics2%103 of 4,720 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,1802024: 4,1401%
Drugs named by CMS: 106 in 2024, 95 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
Dr. Anacleto Baizas Diaz II offers telehealth to Medicare patients
Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Diaz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Anacleto Baizas Diaz II received $1,255 in industry payments from 2017 to 2025
CMS Open Payments shows 21 general payments to Dr. Diaz from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $465.
General payments to Dr. Diaz by program year, 2017 to 2025
Companies that paid Dr. Diaz the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Anacleto Baizas Diaz II'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)Medicare Part D Prescribers - by Provider (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) |
| 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. Anacleto Baizas Diaz II
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. Anacleto Baizas Diaz II's NPI number?
Dr. Anacleto Baizas Diaz II's NPI number is 1922241942. It was assigned on April 7, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Anacleto Baizas Diaz II?
Dr. Anacleto Baizas Diaz II is an internist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Anacleto Baizas Diaz II practice?
Dr. Diaz practices at 426 Michigan Street NE Suite 1112, Grand Rapids, MI 49503. Dr. Diaz's primary practice is Corewell Health Mammography - 426 Michigan St NE in Grand Rapids, Michigan. Dmand AI also links Dr. Diaz to 2 group practices and clinics and 2 medical groups.
What is Dr. Anacleto Baizas Diaz II's office phone number?
The practice phone on file for Dr. Diaz is (616) 486-6038.
What is Dr. Anacleto Baizas Diaz II's medical license number?
Dr. Diaz holds Michigan license 4301088886.
Which hospitals is Dr. Anacleto Baizas Diaz II affiliated with?
Dr. Diaz is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth.
What medical group is Dr. Anacleto Baizas Diaz II part of?
Dr. Diaz is linked to Corewell Health Medical Group West. Dmand AI links Dr. Diaz to 2 more medical groups.
Does Dr. Anacleto Baizas Diaz II accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 159 services in 2024, and Dr. Diaz accepts Medicare assignment.
Does Dr. Anacleto Baizas Diaz II offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Diaz as offering telehealth services.
How many Medicare patients does Dr. Anacleto Baizas Diaz II see?
CMS counts 118 Medicare patients who saw Dr. Diaz in 2024, with an average age of 70.
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What services does Dr. Anacleto Baizas Diaz II bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
What drugs does Dr. Anacleto Baizas Diaz II prescribe most?
In 2024 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Gabapentin.
Has Dr. Anacleto Baizas Diaz II received payments from drug or device companies?
CMS Open Payments shows $1,255 in general payments to Dr. Diaz from 6 companies from 2017 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Anacleto Baizas Diaz II been practicing?
Dr. Diaz graduated from medical school in 2002, 24 years ago.
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