Dr. John Harrison Baker, MD
- Part D claims, 2024
- 183
- Industry payments
- $10
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2009
- Practice address
- 4901 Glenwood Ave Suite 300, Raleigh, NC 27612
- Practice phone
- Call (912) 401-8303
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mako Medical - Raleigh
Mobile Lab · Raleigh, North Carolina
Find Dr. Baker'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. John Harrison Baker is an OB-GYN in Raleigh, North Carolina
Dr. Baker practices at Mako Medical - Raleigh in Raleigh, North Carolina.
Dr. Baker's NPI, 1396986279, was assigned on March 23, 2009. Dr. Baker holds Virginia license 0101040892.
- NPI
- 1396986279NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2009
- NPI status
- Active
- Practice phone
- (912) 401-8303
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Harrison Baker practices at Mako Medical - Raleigh in Raleigh, North Carolina
Dr. Baker's primary practice is Mako Medical - Raleigh, at 4901 Glenwood Ave Suite 300, Raleigh, NC 27612. The practice phone is (912) 401-8303.
- Mako Medical - Raleigh4901 Glenwood Ave Suite 300, Raleigh, NC 27612Phone(912) 401-8303
Source: Dmand AI Affiliation Data
Dr. John Harrison Baker is affiliated with 1 site of care
Dr. Baker's primary practice is Mako Medical - Raleigh in Raleigh, North Carolina.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Harrison Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mako Medical - Raleigh | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Harrison Baker is one of 1,311 OB-GYNs in North Carolina
Obstetrics and gynecology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Baker's licenses on file in 2 states: Virginia and North Carolina.
Specialties and state licenses
- Obstetrics and gynecology, VirginiaPrimary
- North Carolina license
OB-GYNs near Dr. Baker
Counts of OB-GYNs 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. John Harrison Baker's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 61, with 25% women.
Dr. Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women25%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John Harrison Baker wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Baker wrote 183 Medicare Part D claims for 59 patients. 78% of them were for generic drugs. CMS names the drug for 112 of them, across 3 drugs with 11 or more claims each, at $30,603 in total drug cost. In 2023, CMS named 95 claims across 4 drugs.
Dr. Baker's Part D claims by kind of drug, 2024
- Generic142 claims78%
- Brand-name and other41 claims22%
Dr. Baker'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. Baker's Part D claims, 2024
- Antibiotics9%16 of 183 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: 952024: 11218%
Drugs named by CMS: 3 in 2024, 4 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. John Harrison Baker received $10 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Baker from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $10.
Companies that paid Dr. Baker the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Harrison Baker'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 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) |
| 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. John Harrison Baker
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. John Harrison Baker's NPI number?
Dr. John Harrison Baker's NPI number is 1396986279. It was assigned on March 23, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John Harrison Baker?
Dr. John Harrison Baker is an OB-GYN in Raleigh, North Carolina. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. John Harrison Baker practice?
Dr. Baker practices at 4901 Glenwood Ave Suite 300, Raleigh, NC 27612. Dr. Baker's primary practice is Mako Medical - Raleigh in Raleigh, North Carolina.
What is Dr. John Harrison Baker's office phone number?
The practice phone on file for Dr. Baker is (912) 401-8303.
What is Dr. John Harrison Baker's medical license number?
Dr. Baker holds Virginia license 0101040892, one of the licenses on file in 2 states.
Which states has Dr. John Harrison Baker been licensed in?
Dmand AI has state licenses on file for Dr. Baker in Virginia and North Carolina.
What drugs does Dr. John Harrison Baker prescribe most?
In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Buprenorphine-Naloxone, Suboxone and Zubsolv.
Has Dr. John Harrison Baker received payments from drug or device companies?
CMS Open Payments shows $10 in general payments to Dr. Baker from 1 company from 2017 to 2017. The largest total came from Philips Electronics North America Corporation.
How long has Dr. John Harrison Baker been practicing?
Dr. Baker's NPI was assigned in 2009.
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