Dr. Robert John Knowling, MD
- Medicare services, 2024
- 29
- Medicare patients, 2024
- 64
- Part D claims, 2024
- 180
- Hospital affiliations
- 2
- Industry payments
- $7,262
- Practice address
- One Hospital Dr SE, Huntsville, AL 35801
- Practice phone
- Call (256) 429-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Knowling's professional email, personal email and mobile number
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Dr. Robert John Knowling is a plastic and reconstructive surgery physician in Huntsville, Alabama
Dr. Knowling practices at Crestwood Medical Center in Huntsville, Alabama, part of Huntsville Hospital Health System.
Dr. Knowling's NPI, 1528022753, was assigned on April 14, 2006. Dr. Knowling graduated from University of Alabama School of Medicine in 1987. Dr. Knowling holds Alabama license 00014300.
- NPI
- 1528022753NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062663842
- NPI enumeration date
- April 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (256) 429-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert John Knowling practices at 2 locations in Huntsville, Alabama
Dr. Knowling's primary practice is Crestwood Medical Center, at One Hospital Dr SE, Huntsville, AL 35801 in Madison County. The practice phone is (256) 429-4000. Dr. Knowling also practices at Crestwood Medical Center, 1 Hospital SW Dr, Huntsville, AL 35801.
- Crestwood Medical CenterPrimaryOne Hospital Dr SE, Huntsville, AL 35801 · Madison CountyPhone(256) 429-4000
- Crestwood Medical Center1 Hospital SW Dr, Huntsville, AL 35801 · Madison CountyPhone(256) 882-3100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert John Knowling is affiliated with 3 sites of care
Dr. Knowling's primary practice is Crestwood Medical Center in Huntsville, Alabama, part of Huntsville Hospital Health System. Dr. Knowling is also affiliated with Huntsville Hospital. Dmand AI also links Dr. Knowling to 1 more 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. Robert John Knowling's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knowling practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Crestwood Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert John Knowling is one of 27 plastics and reconstructive surgery physicians in Alabama
Plastic and reconstructive surgery is Dr. Knowling's primary specialty in the NPI Registry, under taxonomy code 2086S0122X. Dr. Knowling is licensed in Alabama.
Specialties and state licenses
- Plastic and reconstructive surgery, AlabamaPrimary
Plastics and reconstructive surgery physicians near Dr. Knowling
Counts of plastics and reconstructive surgery 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. Robert John Knowling billed Medicare for 29 services in 2024
CMS data shows 29 Medicare services from Dr. Knowling across 2 procedure codes in 2024, all of them office visits, for 64 Medicare patients. Medicare paid $2,568 for them. Every service was in an office.
Dr. Knowling's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 692024: 2958%
- Surgery
- 2023: 202024: 0100%
Dr. Knowling compared with the Alabama median for plastics and reconstructive surgery physicians, 2024
- Dr. Knowling
- Alabama median
- Medicare services
- 29vs 3312% below
- Medicare patients
- 64vs 4833% above
- Part D claims
- 142vs 632.3 times
Medians across 26 plastics and reconstructive surgery physicians in Alabama with Dmand AI profiles that report each measure.
Dr. Knowling'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. Knowling and other plastics and reconstructive surgery physicians in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert John Knowling treated 64 Medicare patients in 2024, average age 75
CMS counts 64 Medicare patients who saw Dr. Knowling in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Knowling's median patient age at 70, with 52% women.
Dr. Knowling's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Knowling's Medicare patients by sex, 2024
- Women3148%
- Men3352%
Chronic conditions among Dr. Knowling's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes38%
- Ischemic heart disease34%
- Chronic kidney disease33%
- Anxiety25%
- Cancer22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Knowling's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert John Knowling wrote 180 Medicare Part D claims in 2024
In 2024, Dr. Knowling wrote 180 Medicare Part D claims for 85 patients. 99% of them were for generic drugs. CMS names the drug for 142 of them, across 4 drugs with 11 or more claims each, at $520 in total drug cost. In 2023, CMS named 133 claims across 4 drugs.
Dr. Knowling's Part D claims by kind of drug, 2024
- Generic179 claims99%
- Brand-name and other1 claims1%
Dr. Knowling'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. Knowling's Part D claims, 2024
- Opioids47%84 of 180 claims
- Antibiotics29%52 of 180 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: 1332024: 1427%
Drugs named by CMS: 4 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
Dr. Robert John Knowling ranks in the 86th percentile for melanoma (skin cancer) excision in Medicare
Dr. Knowling accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 47 procedures of melanoma (skin cancer) excision by Dr. Knowling, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Knowling ranks in Medicare procedure volume
- Melanoma (skin cancer) excision
- 86th percentile47 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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. Robert John Knowling received $7,262 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. Knowling from 10 drug and device companies from 2016 to 2025. Gifts make up the largest share, 37% of the total. Allergan Inc. paid the most, $3,012.
General payments to Dr. Knowling by program year, 2016 to 2025
General payments to Dr. Knowling by kind, 2016 to 2025
- Gifts$2,70037%
- Travel and lodging$2,08629%
- Debt forgiveness$1,39819%
- Food and beverage$1,07715%
Companies that paid Dr. Knowling 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. Robert John Knowling graduated from University of Alabama School of Medicine
Dr. Knowling graduated from University of Alabama School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert John Knowling'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 Affiliation DataDmand AI Practice 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) |
| 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. Robert John Knowling
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. Robert John Knowling's NPI number?
Dr. Robert John Knowling's NPI number is 1528022753. It was assigned on April 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert John Knowling?
Dr. Robert John Knowling is a plastic and reconstructive surgery physician in Huntsville, Alabama. The primary specialty in the NPI Registry is Plastic and Reconstructive Surgery Physician (taxonomy code 2086S0122X).
Where does Dr. Robert John Knowling practice?
Dr. Knowling practices at One Hospital Dr SE, Huntsville, AL 35801. Dr. Knowling also practices at 1 Hospital SW Dr, Huntsville, AL 35801. Dr. Knowling's primary practice is Crestwood Medical Center in Huntsville, Alabama, part of Huntsville Hospital Health System. Dmand AI also links Dr. Knowling to 1 physician office.
What is Dr. Robert John Knowling's office phone number?
The practice phone on file for Dr. Knowling is (256) 429-4000.
What is Dr. Robert John Knowling's medical license number?
Dr. Knowling holds Alabama license 00014300.
Which hospitals is Dr. Robert John Knowling affiliated with?
Dr. Knowling practices at Crestwood Medical Center in Huntsville, Alabama. Dr. Knowling is also affiliated with Huntsville Hospital.
Does Dr. Robert John Knowling accept Medicare?
Yes. CMS data shows Dr. Knowling billed Medicare for 29 services in 2024, and Dr. Knowling accepts Medicare assignment.
How many Medicare patients does Dr. Robert John Knowling see?
CMS counts 64 Medicare patients who saw Dr. Knowling in 2024, with an average age of 75.
What services does Dr. Robert John Knowling bill to Medicare?
In 2024, Dr. Knowling's most billed Medicare services were office visit, new patient (99203) and office visit, new patient (99204).
Where did Dr. Robert John Knowling go to medical school?
Dr. Knowling graduated from University of Alabama School of Medicine in 1987.
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What drugs does Dr. Robert John Knowling prescribe most?
In 2024 Medicare Part D data, Dr. Knowling's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cephalexin and Ondansetron ODT.
Has Dr. Robert John Knowling received payments from drug or device companies?
CMS Open Payments shows $7,262 in general payments to Dr. Knowling from 10 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Robert John Knowling been practicing?
Dr. Knowling graduated from medical school in 1987, 39 years ago.
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