Dr. Gerald Dean Natzke Jr., DO
- Part D claims, 2024
- 1,159
- Industry payments
- $1,054
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2138 Fairway Dr, Davison, MI 48423
- Practice phone
- Call (810) 695-8700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Physical Therapy Center, Inc
Davison, Michigan
Find Dr. Natzke'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. Gerald Dean Natzke Jr. is a general practice physician in Davison, Michigan
Dr. Natzke practices at Advanced Physical Therapy Center, Inc in Davison, Michigan.
Dr. Natzke's NPI, 1649239708, was assigned on March 18, 2006. Dr. Natzke graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1982. Dr. Natzke holds Michigan license GN008130.
- NPI
- 1649239708NPI Registry (opens in a new tab)
- NPI enumeration date
- March 18, 2006
- NPI status
- Active
- Practice phone
- (810) 695-8700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gerald Dean Natzke Jr. practices at Advanced Physical Therapy Center, Inc in Davison, Michigan
Dr. Natzke's primary practice is Advanced Physical Therapy Center, Inc, at 2138 Fairway Dr, Davison, MI 48423 in Genesee County. The practice phone is (810) 695-8700.
- Advanced Physical Therapy Center, Inc2138 Fairway Dr, Davison, MI 48423 · Genesee CountyPhone(810) 695-8700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gerald Dean Natzke Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Natzke's primary practice is Advanced Physical Therapy Center, Inc in Davison, Michigan. Dmand AI also links Dr. Natzke to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gerald Dean Natzke Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Natzke practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Physical Therapy Center, Inc | 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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Dr. Gerald Dean Natzke Jr. is one of 227 general practice physicians in Michigan
General practice is Dr. Natzke's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Natzke is board certified in 2022 - 2026 by the FL State License. Dr. Natzke is licensed in Michigan.
Specialties and state licenses
- General practice, MichiganPrimary
General practice physicians near Dr. Natzke
Counts of general practice physicians 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. Gerald Dean Natzke Jr.'s patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Natzke's median patient age at 66, with 62% women.
Dr. Natzke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Gerald Dean Natzke Jr. wrote 1,159 Medicare Part D claims in 2024
In 2024, Dr. Natzke wrote 1,159 Medicare Part D claims for 172 patients. 76% of them were for generic drugs. CMS names the drug for 729 of them, across 31 drugs with 11 or more claims each, at $50,889 in total drug cost. In 2023, CMS named 710 claims across 28 drugs.
Dr. Natzke's Part D claims by kind of drug, 2024
- Generic884 claims76%
- Brand-name135 claims12%
- Other140 claims12%
Dr. Natzke'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. Natzke's Part D claims, 2024
- Antibiotics9%108 of 1,159 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: 7102024: 7293%
Drugs named by CMS: 31 in 2024, 28 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. Gerald Dean Natzke Jr. received $1,054 in industry payments from 2016 to 2025
CMS Open Payments shows 58 general payments to Dr. Natzke from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $317.
General payments to Dr. Natzke by program year, 2016 to 2025
Companies that paid Dr. Natzke the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gerald Dean Natzke Jr. graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Natzke graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1982. Dr. Natzke is a member of AOA.
- Medical school
- Board certified in 2022 - 2026
- Board certified in 1983 - 2026
Source: Dmand AI Professional Profile Data
Sources for Dr. Gerald Dean Natzke Jr.'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Gerald Dean Natzke Jr.
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. Gerald Dean Natzke Jr.'s NPI number?
Dr. Gerald Dean Natzke Jr.'s NPI number is 1649239708. It was assigned on March 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald Dean Natzke Jr.?
Dr. Gerald Dean Natzke Jr. is a general practice physician in Davison, Michigan. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Gerald Dean Natzke Jr. practice?
Dr. Natzke practices at 2138 Fairway Dr, Davison, MI 48423. Dr. Natzke's primary practice is Advanced Physical Therapy Center, Inc in Davison, Michigan. Dmand AI also links Dr. Natzke to 1 group practice or clinic and 1 medical group.
What is Dr. Gerald Dean Natzke Jr.'s office phone number?
The practice phone on file for Dr. Natzke is (810) 695-8700.
What is Dr. Gerald Dean Natzke Jr.'s medical license number?
Dr. Natzke holds Michigan license GN008130.
Is Dr. Gerald Dean Natzke Jr. board certified?
Yes. Dr. Natzke is board certified in 2022 - 2026 by the FL State License.
Where did Dr. Gerald Dean Natzke Jr. go to medical school?
Dr. Natzke graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1982.
What drugs does Dr. Gerald Dean Natzke Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Natzke's most prescribed drugs by claims were Np Thyroid, Amlodipine Besylate and Lisinopril.
Has Dr. Gerald Dean Natzke Jr. received payments from drug or device companies?
CMS Open Payments shows $1,054 in general payments to Dr. Natzke from 13 companies from 2016 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Gerald Dean Natzke Jr. been practicing?
Dr. Natzke graduated from medical school in 1982, 44 years ago.
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