Dr. James M. Grichnik, MD
- Medicare services, 2024
- 857
- Medicare patients, 2024
- 208
- Part D claims, 2024
- 131
- Publications
- 105
- Clinical trials
- 12
- Practice address
- 12902 Magnolia Dr, Tampa, FL 33612
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grichnik'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. James M. Grichnik is a dermatologist in Tampa, Florida
Dr. Grichnik practices at Moffitt Cancer Hospital in Tampa, Florida, part of Moffitt Cancer Center.
Dr. Grichnik's NPI, 1740363902, was assigned on October 23, 2006. Dr. Grichnik graduated from Harvard Medical School in 1990. Dr. Grichnik holds Florida license ME102502.
- NPI
- 1740363902NPI Registry (opens in a new tab)
- NPI enumeration date
- October 23, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. James M. Grichnik practices at 2 locations in Tampa, Florida
Dr. Grichnik's primary practice is Moffitt Cancer Hospital, at 12902 Magnolia Dr, Tampa, FL 33612. Dr. Grichnik also practices at H. Lee Moffitt Cancer Center and Research Institute Hospital, Inc., 10920 McKinley Dr, Tampa, FL 33612.
- Moffitt Cancer HospitalPrimary12902 Magnolia Dr, Tampa, FL 33612
- H. Lee Moffitt Cancer Center and Research Institute Hospital, Inc.10920 McKinley Dr, Tampa, FL 33612 · Hillsborough CountyPhone(813) 745-4673
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. James M. Grichnik is affiliated with 4 sites of care and 1 medical group
Dr. Grichnik's primary practice is Moffitt Cancer Hospital in Tampa, Florida, part of Moffitt Cancer Center. The medical group on file is Moffitt Cancer Center. Dmand AI also links Dr. Grichnik to 1 more breast imaging center, 1 hospital outpatient department and 1 ambulatory surgery center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James M. Grichnik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grichnik practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Moffitt Cancer Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Moffitt Cancer Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James M. Grichnik is one of 1,200 dermatologists in Florida
Dermatology is Dr. Grichnik's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Grichnik is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Grichnik's licenses on file in 2 states: Florida and North Carolina.
Specialties and state licenses
- Dermatology, FloridaPrimary
- North Carolina license
Clinical focus
Dmand AI lists benign or precancerous skin growths, contact dermatitis, rash, scalp rash and skin cyst among the conditions Dr. Grichnik treats.
Dermatologists near Dr. Grichnik
Counts of dermatologists 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. James M. Grichnik billed Medicare for 857 services in 2024
CMS data shows 857 Medicare services from Dr. Grichnik across 10 procedure codes in 2024, for 208 Medicare patients. Medicare paid $29,463 for them.
Dr. Grichnik's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4742024: 53814%
- Office and hospital visits
- 2023: 2052024: 2228%
- Tests and treatments
- 2023: 1252024: 9722%
Where Dr. Grichnik's Medicare services took place, 2024
- In an office80193%
- In a facility567%
Dr. Grichnik compared with the Florida median for dermatologists, 2024
- Dr. Grichnik
- Florida median
- Medicare services
- 857vs 2,86670% below
- Medicare patients
- 208vs 57064% below
- Part D claims
- 67vs 55088% below
Medians across 1,138 dermatologists in Florida with Dmand AI profiles that report each measure.
Dr. Grichnik'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. Grichnik?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grichnik and other dermatologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James M. Grichnik treated 208 Medicare patients in 2024, average age 74
CMS counts 208 Medicare patients who saw Dr. Grichnik in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grichnik's median patient age at 72, with 44% women.
Dr. Grichnik's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grichnik's Medicare patients by sex, 2024
- Women8440%
- Men12460%
Chronic conditions among Dr. Grichnik's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Ischemic heart disease32%
- Diabetes25%
- Cancer24%
- Anxiety23%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grichnik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James M. Grichnik wrote 131 Medicare Part D claims in 2024
In 2024, Dr. Grichnik wrote 131 Medicare Part D claims for 57 patients. 97% of them were for generic drugs. CMS names the drug for 67 of them, across 3 drugs with 11 or more claims each, at $2,282 in total drug cost. In 2023, CMS named 69 claims across 4 drugs.
Dr. Grichnik's Part D claims by kind of drug, 2024
- Generic127 claims97%
- Brand-name and other4 claims3%
Dr. Grichnik'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 692024: 673%
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. James M. Grichnik has 105 publications on record
Dmand AI links 105 papers to Dr. Grichnik, published from 2009 to 2024. 2023 was the busiest year, with 8. The most frequent topics are Skin Neoplasms, Melanoma and Melanocytes. Dr. Grichnik has published most often in J Am Acad Dermatol. Dr. Grichnik's most frequent co-authors are Ashfaq A. Marghoob, MD, Andrew Louis Ross, MD and Allan C. Halpern, MD.
Dr. Grichnik's papers by year, 2015 to 2024
Topics Dr. Grichnik writes about most
- Skin Neoplasms
- Melanoma
- Melanocytes
- Skin
- Dermoscopy
- Skin Diseases
- Biopsy
- Diagnosis, Differential
Dr. Grichnik's most frequent co-authors
- Ashfaq A. Marghoob, MD11 shared papers
- Andrew Louis Ross, MD7 shared papers
- Allan C. Halpern, MD6 shared papers
Recent publications by Dr. Grichnik
J Invest Dermatol
See who Dr. Grichnik researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grichnik works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James M. Grichnik has worked on 12 clinical trials
Dmand AI links Dr. Grichnik to 12 clinical trials, 5 of them phase 3 studies. 7 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Breast Neoplasms. National Cancer Institute (NCI) sponsors the most, 5. Open Payments lists research payments to Dr. Grichnik that name 3 trials.
Clinical trials with Dr. Grichnik by phase
- NonePhase 1: no trials
- 2Phase 2: 2 trials
- 5Phase 3: 5 trials
- NonePhase 4: no trials
Conditions in Dr. Grichnik's trials
- Carcinoma, Non-Small-Cell Lung
- Carcinoma, Bronchogenic
- Breast Neoplasms
- Carcinoma, Basal Cell
- Cytopenia
Investigators on the most trials with Dr. Grichnik
- Fahd Rahman, MD7 shared trials
- William Jude Charles, MD6 shared trials
- Donald E. Goodin, MD6 shared trials
Recent clinical trials with Dr. Grichnik
Phase II Trial of Atezolizumab in BCG-Unresponsive Non-Muscle Invasive Bladder Cancer (opens in a new tab)
Breast Cancer WEight Loss Study (BWEL Study) (opens in a new tab)
Nivolumab After Surgery and Chemotherapy in Treating Patients With Stage IB-IIIA Non-small Cell Lung Cancer (An ALCHEMIST Treatment Trial) (opens in a new tab)
The National Myelodysplastic Syndromes (MDS) Study (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. James M. Grichnik received $12,790 in industry payments from 2016 to 2025
CMS Open Payments shows 56 general payments to Dr. Grichnik from 20 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 56% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $4,740. It also lists 23 research payments totaling $99,863 from 2019 to 2025, naming 3 clinical trials.
General payments to Dr. Grichnik by program year, 2016 to 2025
General payments to Dr. Grichnik by kind, 2016 to 2025
- Consulting fees$7,21856%
- Food and beverage$3,47827%
- Travel and lodging$2,09416%
Companies that paid Dr. Grichnik 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. James M. Grichnik has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Grichnik, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Grichnik
- 2014
- America's Top Doctors
- 2013
- America's Top Doctors for Cancer
- CMS Stage 1 EHR
- 2012
- Top Doctors:South Florida
- Undated
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. James M. Grichnik graduated from Harvard Medical School
Dr. Grichnik graduated from Harvard Medical School in 1990.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. James M. Grichnik accepts plans from 18 insurance carriers
Dr. Grichnik is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Aspirus Health Plan
- +10 more carriersWith a free account
Plan types Dr. Grichnik accepts, by number of carriers
- PPO12
- Medicare11
- HMO10
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. James M. Grichnik'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. James M. Grichnik
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. James M. Grichnik's NPI number?
Dr. James M. Grichnik's NPI number is 1740363902. It was assigned on October 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James M. Grichnik?
Dr. James M. Grichnik is a dermatologist in Tampa, Florida. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. James M. Grichnik practice?
Dr. Grichnik practices at 12902 Magnolia Dr, Tampa, FL 33612. Dr. Grichnik also practices at 10920 McKinley Dr, Tampa, FL 33612. Dr. Grichnik's primary practice is Moffitt Cancer Hospital in Tampa, Florida, part of Moffitt Cancer Center. Dmand AI also links Dr. Grichnik to 1 breast imaging center, 1 hospital outpatient department and 1 ambulatory surgery center.
What is Dr. James M. Grichnik's medical license number?
Dr. Grichnik holds Florida license ME102502, one of the licenses on file in 2 states.
Which states has Dr. James M. Grichnik been licensed in?
Dmand AI has state licenses on file for Dr. Grichnik in Florida (2008 to 2027) and North Carolina (1994 to 2010).
Which hospitals is Dr. James M. Grichnik affiliated with?
Dr. Grichnik practices at Moffitt Cancer Hospital in Tampa, Florida.
What medical group is Dr. James M. Grichnik part of?
Dr. Grichnik is linked to Moffitt Cancer Center.
Does Dr. James M. Grichnik accept Medicare?
Yes. CMS data shows Dr. Grichnik billed Medicare for 857 services in 2024.
How many Medicare patients does Dr. James M. Grichnik see?
CMS counts 208 Medicare patients who saw Dr. Grichnik in 2024, with an average age of 74.
Is Dr. James M. Grichnik board certified?
Yes. Dr. Grichnik is board certified in dermatology by the American Board of Dermatology.
Show 8 more questionsShow fewer questions
What services does Dr. James M. Grichnik bill to Medicare?
In 2024, Dr. Grichnik's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and skin treatment (96900).
Where did Dr. James M. Grichnik go to medical school?
Dr. Grichnik graduated from Harvard Medical School in 1990.
What drugs does Dr. James M. Grichnik prescribe most?
In 2024 Medicare Part D data, Dr. Grichnik's most prescribed drugs by claims were Ketoconazole, Fluorouracil and Clindamycin Phosphate.
Has Dr. James M. Grichnik received payments from drug or device companies?
CMS Open Payments shows $12,790 in general payments to Dr. Grichnik from 20 companies from 2016 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. James M. Grichnik been practicing?
Dr. Grichnik graduated from medical school in 1990, 36 years ago.
Does Dr. James M. Grichnik do research?
Dmand AI links 105 publications to Dr. Grichnik, published from 2009 to 2024. Dr. Grichnik has worked on 12 clinical trials.
Who does Dr. James M. Grichnik publish with?
Dr. Grichnik's most frequent co-authors are Ashfaq A. Marghoob, MD (11 shared papers), Andrew Louis Ross, MD (7 shared papers) and Allan C. Halpern, MD (6 shared papers).
What insurance does Dr. James M. Grichnik accept?
Dr. Grichnik is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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