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Dr. John Raymond Whittaker, MD
NPI1568422566PAC ID2062584253
- Medicare services, 2024
- 41
- Medicare patients, 2024
- 37
- Part D claims, 2024
- 36
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 6071 W Outer Drive, Detroit, MI 48235
- Practice phone
- Call (313) 966-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Whittaker'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 Raymond Whittaker is a general surgeon in Detroit, Michigan
Dr. Whittaker practices at DMC Sinai-Grace Hospital in Detroit, Michigan, part of Tenet Healthcare.
Dr. Whittaker's NPI, 1568422566, was assigned on March 24, 2006. Dr. Whittaker graduated from Meharry Medical College School of Medicine in 1976. Dr. Whittaker holds Michigan license 4301039465.
NPI and contact details
- NPI
- 1568422566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062584253
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 966-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Raymond Whittaker practices at DMC Sinai-Grace Hospital in Detroit, Michigan
Dr. Whittaker's primary practice is DMC Sinai-Grace Hospital, at 6071 W Outer Drive, Detroit, MI 48235 in Wayne County. The practice phone is (313) 966-3300.
- DMC Sinai-Grace Hospital6071 W Outer Drive, Detroit, MI 48235 · Wayne CountyPhone(313) 966-3300
Source: Dmand AI Affiliation Data
Dr. John Raymond Whittaker is affiliated with 2 sites of care
Dr. Whittaker's primary practice is DMC Sinai-Grace Hospital in Detroit, Michigan, part of Tenet Healthcare. Dr. Whittaker is also affiliated with Insight Surgical Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Raymond Whittaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whittaker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DMC Sinai-Grace Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Raymond Whittaker is one of 1,095 general surgeons in Michigan
Surgery is Dr. Whittaker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Whittaker is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Whittaker
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,095general surgeons in Michigan103general surgeons in Detroit5general surgeons at DMC Sinai-Grace Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Raymond Whittaker billed Medicare for 41 services in 2024
CMS data shows 41 Medicare services from Dr. Whittaker across 2 procedure codes in 2024, all of them office visits, for 37 Medicare patients. Medicare paid $3,460 for them. Every service was in an office.
Medicare services, 202441
Medicare patients37
Paid by Medicare$3,460
Procedure codes2
Dr. Whittaker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 582024: 4129%
Dr. Whittaker compared with the Michigan median for general surgeons, 2024
- Dr. Whittaker
- Michigan median
- Medicare services
- 41vs 12667% below
- Medicare patients
- 37vs 10765% below
- Part D claims
- 34vs 3013% above
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Whittaker'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.
Need commercial claims for Dr. Whittaker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Whittaker and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Raymond Whittaker treated 37 Medicare patients in 2024, average age 67
CMS counts 37 Medicare patients who saw Dr. Whittaker in 2024. The largest group is under 65, with 15 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 59% are also on Medicaid. Their average risk score is 6.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Whittaker's median patient age at 67, with 50% women.
Medicare patients, 202437
Average age67
Average risk score6.24
Also on Medicaid59%
Dr. Whittaker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Whittaker's Medicare patients by sex, 2024
- Women2259%
- Men1541%
Chronic conditions among Dr. Whittaker's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes73%
- Arthritis59%
- Heart failure49%
- Ischemic heart disease46%
- COPD35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Whittaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Raymond Whittaker wrote 36 Medicare Part D claims in 2024
In 2024, Dr. Whittaker wrote 36 Medicare Part D claims. 69% of them were for generic drugs. CMS names the drug for 34 of them, across 3 drugs with 11 or more claims each, at $7,058 in total drug cost. In 2022, CMS named 23 claims across 2 drugs.
Part D claims, 202436
Drugs named by CMS3
Total drug cost$7,058
Dr. Whittaker's Part D claims by kind of drug, 2024
- Generic25 claims69%
- Brand-name11 claims31%
Dr. Whittaker's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 232023: 3448%
Drugs named by CMS: 3 in 2023, 2 in 2022.
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. John Raymond Whittaker ranks in the 56th percentile for varicose vein removal in Medicare
Dr. Whittaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of varicose vein removal by Dr. Whittaker, more than 56% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Whittaker ranks in Medicare procedure volume
- Varicose vein removal
- 56th percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Raymond Whittaker has 1 publication on record
Dmand AI links 1 paper to Dr. Whittaker. Dr. Whittaker's most frequent co-authors are Lawrence N. Diebel, MD and Mark Edward Diebel.
Papers1
Dr. Whittaker's most frequent co-authors
Recent publications by Dr. Whittaker
See who Dr. Whittaker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Whittaker works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Raymond Whittaker received $3,701 in industry payments from 2016 to 2025
CMS Open Payments shows 75 general payments to Dr. Whittaker from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $1,691.
General payments to Dr. Whittaker by program year, 2016 to 2025
General payments to Dr. Whittaker by kind, 2016 to 2025
$3.7Kin total
- Food and beverage$3,47794%
- Travel and lodging$2246%
Companies that paid Dr. Whittaker 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. John Raymond Whittaker graduated from Meharry Medical College School of Medicine
Dr. Whittaker graduated from Meharry Medical College School of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Raymond Whittaker'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John Raymond Whittaker
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 Raymond Whittaker's NPI number?
Dr. John Raymond Whittaker's NPI number is 1568422566. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Raymond Whittaker?
Dr. John Raymond Whittaker is a general surgeon in Detroit, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Raymond Whittaker practice?
Dr. Whittaker practices at 6071 W Outer Drive, Detroit, MI 48235. Dr. Whittaker's primary practice is DMC Sinai-Grace Hospital in Detroit, Michigan, part of Tenet Healthcare.
What is Dr. John Raymond Whittaker's office phone number?
The practice phone on file for Dr. Whittaker is (313) 966-3300.
What is Dr. John Raymond Whittaker's medical license number?
Dr. Whittaker holds Michigan license 4301039465.
Which hospitals is Dr. John Raymond Whittaker affiliated with?
Dr. Whittaker practices at DMC Sinai-Grace Hospital in Detroit, Michigan. Dr. Whittaker is also affiliated with Insight Surgical Hospital.
Does Dr. John Raymond Whittaker accept Medicare?
Yes. CMS data shows Dr. Whittaker billed Medicare for 41 services in 2024, and Dr. Whittaker accepts Medicare assignment.
How many Medicare patients does Dr. John Raymond Whittaker see?
CMS counts 37 Medicare patients who saw Dr. Whittaker in 2024, with an average age of 67.
What services does Dr. John Raymond Whittaker bill to Medicare?
In 2024, Dr. Whittaker's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. John Raymond Whittaker go to medical school?
Dr. Whittaker graduated from Meharry Medical College School of Medicine in 1976.
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What drugs does Dr. John Raymond Whittaker prescribe most?
In 2023 Medicare Part D data, Dr. Whittaker's most prescribed drugs by claims were Januvia, Lidocaine-Prilocaine and Metformin HCl.
Has Dr. John Raymond Whittaker received payments from drug or device companies?
CMS Open Payments shows $3,701 in general payments to Dr. Whittaker from 30 companies from 2016 to 2025. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. John Raymond Whittaker been practicing?
Dr. Whittaker graduated from medical school in 1976, 50 years ago.
Does Dr. John Raymond Whittaker do research?
Dmand AI links 1 publication to Dr. Whittaker.
Who does Dr. John Raymond Whittaker publish with?
Dr. Whittaker's most frequent co-authors are Lawrence N. Diebel, MD (1 shared paper) and Mark Edward Diebel (1 shared paper).
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