Dr. Mark Steven Grenitz, MD
- Part D claims, 2024
- 35
- Industry payments
- $2,842
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 12
- Practice address
- 220 SW 84th Ave, Plantation, FL 33324
- Practice phone
- Call (305) 273-4641
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vitalmd Group Holding
Plantation, Florida
Find Dr. Grenitz'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. Mark Steven Grenitz is an OB-GYN in Plantation, Florida
Dr. Grenitz practices at Vitalmd Group Holding in Plantation, Florida.
Dr. Grenitz's NPI, 1790746279, was assigned on March 31, 2006. Dr. Grenitz graduated from University of Miami, Miller School of Medicine in 1986. Dr. Grenitz holds Florida license ME56893.
- NPI
- 1790746279NPI Registry (opens in a new tab)
- NPI enumeration date
- March 31, 2006
- NPI status
- Active
- Practice phone
- (305) 273-4641
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark Steven Grenitz practices at Vitalmd Group Holding in Plantation, Florida
Dr. Grenitz's primary practice is Vitalmd Group Holding, at 220 SW 84th Ave, Plantation, FL 33324 in Broward County. The practice phone is (305) 273-4641.
- Vitalmd Group Holding220 SW 84th Ave, Plantation, FL 33324 · Broward CountyPhone(305) 273-4641
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Steven Grenitz is affiliated with 2 sites of care and 1 medical group
Dr. Grenitz's primary practice is Vitalmd Group Holding in Plantation, Florida. The medical group on file is VitalMD. Dmand AI also links Dr. Grenitz to 1 more group practice or clinic, 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. Mark Steven Grenitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grenitz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vitalmd Group Holding | 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. Mark Steven Grenitz is one of 2,315 OB-GYNs in Florida
Obstetrics and gynecology is Dr. Grenitz's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Grenitz is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Grenitz's licenses on file in 2 states: Florida and Pennsylvania.
Specialties and state licenses
- Obstetrics and gynecology, FloridaPrimary
- Pennsylvania license
OB-GYNs near Dr. Grenitz
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. Mark Steven Grenitz's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Grenitz's median patient age at 46, with 85% women.
Dr. Grenitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women85%
- Men12%
Source: Dmand AI Patient Panel Data
Dr. Mark Steven Grenitz wrote 35 Medicare Part D claims in 2024
In 2024, Dr. Grenitz wrote 35 Medicare Part D claims for 18 patients. 91% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $497 in total drug cost. In 2021, CMS named 29 claims across 2 drugs.
Dr. Grenitz's Part D claims by kind of drug, 2024
- Generic32 claims91%
- Brand-name and other3 claims9%
Dr. Grenitz'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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 292024: 1259%
Drugs named by CMS: 1 in 2024, 2 in 2021.
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. Mark Steven Grenitz received $2,842 in industry payments from 2016 to 2025
CMS Open Payments shows 71 general payments to Dr. Grenitz from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Gynesonics, Inc. paid the most, $902.
General payments to Dr. Grenitz by program year, 2016 to 2025
General payments to Dr. Grenitz by kind, 2016 to 2025
- Food and beverage$2,17476%
- Travel and lodging$45416%
- Education$2148%
Companies that paid Dr. Grenitz 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. Mark Steven Grenitz has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grenitz.
Awards and honors for Dr. Grenitz
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Mark Steven Grenitz graduated from University of Miami, Miller School of Medicine
Dr. Grenitz graduated from University of Miami, Miller School of Medicine in 1986. Dr. Grenitz is a member of American College of Obstetricians and Gynecologists and SLS.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Mark Steven Grenitz accepts plans from 12 insurance carriers
Dr. Grenitz is in network with 12 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Humana
- Aspirus Health Plan
- HCSC
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Grenitz accepts, by number of carriers
- HMO8
- PPO8
- POS5
- EPO4
- Medicare4
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Steven Grenitz'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) |
| 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. Mark Steven Grenitz
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. Mark Steven Grenitz's NPI number?
Dr. Mark Steven Grenitz's NPI number is 1790746279. It was assigned on March 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Steven Grenitz?
Dr. Mark Steven Grenitz is an OB-GYN in Plantation, Florida. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Mark Steven Grenitz practice?
Dr. Grenitz practices at 220 SW 84th Ave, Plantation, FL 33324. Dr. Grenitz's primary practice is Vitalmd Group Holding in Plantation, Florida. Dmand AI also links Dr. Grenitz to 1 group practice or clinic.
What is Dr. Mark Steven Grenitz's office phone number?
The practice phone on file for Dr. Grenitz is (305) 273-4641.
What is Dr. Mark Steven Grenitz's medical license number?
Dr. Grenitz holds Florida license ME56893, one of the licenses on file in 2 states.
Which states has Dr. Mark Steven Grenitz been licensed in?
Dmand AI has state licenses on file for Dr. Grenitz in Florida (1990 to 2026) and Pennsylvania (1986 to 1990).
What medical group is Dr. Mark Steven Grenitz part of?
Dr. Grenitz is linked to VitalMD.
Is Dr. Mark Steven Grenitz board certified?
Yes. Dr. Grenitz is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Mark Steven Grenitz go to medical school?
Dr. Grenitz graduated from University of Miami, Miller School of Medicine in 1986.
What drugs does Dr. Mark Steven Grenitz prescribe most?
In 2024 Medicare Part D data, Dr. Grenitz's most prescribed drugs by claims were Estradiol.
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Has Dr. Mark Steven Grenitz received payments from drug or device companies?
CMS Open Payments shows $2,842 in general payments to Dr. Grenitz from 25 companies from 2016 to 2025. The largest total came from Gynesonics, Inc.
How long has Dr. Mark Steven Grenitz been practicing?
Dr. Grenitz graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Mark Steven Grenitz accept?
Dr. Grenitz is in network with 12 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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