Dr. Gregory Mark Enns, MD
- Medicare patients, 2024
- 13
- Part D claims, 2016
- 33
- Publications
- 119
- Clinical trials
- 7
- MIPS score, 2024
- 84
- Practice address
- 725 Welch Road, Palo Alto, CA 94304
- Practice phone
- Call (650) 497-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Enns' 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. Gregory Mark Enns is a medical biochemical genetics in Palo Alto, California
Dr. Enns practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
Dr. Enns' NPI, 1508961897, was assigned on September 13, 2006. Dr. Enns graduated from University of Glasgow Faculty of Medicine in 1990. Dr. Enns holds California license A52095.
- NPI
- 1508961897NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446147490
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 497-8000
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Mark Enns practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California
Dr. Enns' primary practice is Lucile Packard Children's Hospital Stanford, at 725 Welch Road, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 497-8000.
- Lucile Packard Children's Hospital Stanford725 Welch Road, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 497-8000
Source: Dmand AI Affiliation Data
Dr. Gregory Mark Enns is affiliated with 1 site of care and 3 medical groups
Dr. Enns' primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. The medical group on file is Lucile Packard Children's Hospital Stanford. Dmand AI also links Dr. Enns to 2 more medical groups, each named with a free account. Dr. Enns' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Mark Enns' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Enns practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lucile Packard Children's Hospital Stanford | Available with a free account |
| +2 medical groups | 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 Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Mark Enns is one of 5 medical biochemical genetics in California
Medical biochemical genetics is Dr. Enns' primary specialty in the NPI Registry, under taxonomy code 207SG0207X. Dr. Enns is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics. Dmand AI has Dr. Enns' licenses on file in 4 states: California, Oregon, Hawaii and Florida.
Specialties and state licenses
- Medical biochemical genetics, CaliforniaPrimary
- Oregon license
- Hawaii license
- Florida license
Medical biochemical genetics near Dr. Enns
Counts of medical biochemical genetics 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. Gregory Mark Enns treated 13 Medicare patients in 2024, average age 63
CMS counts 13 Medicare patients who saw Dr. Enns in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Enns' median patient age at 13, with 55% women.
Dr. Enns' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Enns' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Mark Enns wrote 33 Medicare Part D claims in 2016
In 2016, Dr. Enns wrote 33 Medicare Part D claims. They cover 1 drug, with $2,827,732 in total drug cost.
Dr. Enns' most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Gregory Mark Enns scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Enns for performance year 2024, reported as part of a group. Dr. Enns accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Enns as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Enns' MIPS scores, performance year 2024
- 84of 100Final score
- 74.5of 100Quality
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory Mark Enns has 119 publications on record
Dmand AI links 119 papers to Dr. Enns, published from 2005 to 2025. 2016 was the busiest year, with 8. The most frequent topics are Mitochondrial Diseases, Amino Acid Metabolism, Inborn Errors and Phenotype. Dr. Enns has published most often in Mol Genet Metab. Dr. Enns' most frequent co-authors are Fernando Scaglia, MD, Anna-Kaisa Niemi, MD, PhD and Bruce Howard Cohen, MD.
Dr. Enns' papers by year, 2016 to 2025
Topics Dr. Enns writes about most
- Mitochondrial Diseases
- Amino Acid Metabolism, Inborn Errors
- Phenotype
- Neonatal Screening
- Liver Transplantation
- Mitochondria
- Fibroblasts
- Genetic Testing
Dr. Enns' most frequent co-authors
- Fernando Scaglia, MD8 shared papers
- Anna-Kaisa Niemi, MD, PhD7 shared papers
- Bruce Howard Cohen, MD6 shared papers
Recent publications by Dr. Enns
Mol Genet Metab
See who Dr. Enns researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Enns works with, so you can find a warm path to the right medical biochemical genetics.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Mark Enns has worked on 7 clinical trials
Dmand AI links Dr. Enns to 7 clinical trials, 4 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Leigh Disease, Methylmalonic acidemia and Carbamoyl-Phosphate Synthase I Deficiency Disease. Mendel Tuchman sponsors the most, 2.
Conditions in Dr. Enns' trials
- Leigh Disease
- Methylmalonic acidemia
- Carbamoyl-Phosphate Synthase I Deficiency Disease
- Cytochrome-c Oxidase Deficiency
- Ophthalmoplegia, Chronic Progressive External
Investigators on the most trials with Dr. Enns
- Fernando Scaglia, MD3 shared trials
- Gerard Thomas Berry, MD2 shared trials
- Bruce Howard Cohen, MD2 shared trials
Recent clinical trials with Dr. Enns
Long-term Outcome of N-Carbamylglutamate Treatment in Propionic Acidemia and Methylmalonic Acidemia (opens in a new tab)
Short-Term Outcome of N-Carbamylglutamate in the Treatment of Acute Hyperammonemia (opens in a new tab)
EPI-743 for Mitochondrial Respiratory Chain Diseases (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Gregory Mark Enns received $124,866 in industry payments from 2016 to 2025
CMS Open Payments shows 136 general payments to Dr. Enns from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 73% of the total. Travere Therapeutics, Inc. paid the most, $36,039.
General payments to Dr. Enns by program year, 2016 to 2025
General payments to Dr. Enns by kind, 2016 to 2025
- Consulting fees$91,27073%
- Honoraria$28,06922%
- Travel and lodging$4,2293%
- Food and beverage$1,1161%
- Education$1820%
Companies that paid Dr. Enns 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. Gregory Mark Enns has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Enns, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Enns
- 2014
- Regional Top Doctor
- Undated
- AAP Fellow
Source: Dmand AI Professional Profile Data
Dr. Gregory Mark Enns graduated from University of Glasgow Faculty of Medicine
Dr. Enns graduated from University of Glasgow Faculty of Medicine in 1990. Dr. Enns is a member of AAP.
- Medical school
- Board certified in clinical biochemical genetics
- Board certified in clinical genetics and genomics
Source: Dmand AI Professional Profile Data
Dr. Gregory Mark Enns accepts plans from 16 insurance carriers
Dr. Enns is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Enns accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Mark Enns'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Gregory Mark Enns
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. Gregory Mark Enns' NPI number?
Dr. Gregory Mark Enns' NPI number is 1508961897. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Mark Enns?
Dr. Gregory Mark Enns is a medical biochemical genetics in Palo Alto, California. The primary specialty in the NPI Registry is Medical Biochemical Genetics (taxonomy code 207SG0207X).
Where does Dr. Gregory Mark Enns practice?
Dr. Enns practices at 725 Welch Road, Palo Alto, CA 94304. Dr. Enns' primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. Dmand AI also links Dr. Enns to 2 medical groups.
What is Dr. Gregory Mark Enns' office phone number?
The practice phone on file for Dr. Enns is (650) 497-8000.
What is Dr. Gregory Mark Enns' medical license number?
Dr. Enns holds California license A52095, one of the licenses on file in 4 states.
Which states has Dr. Gregory Mark Enns been licensed in?
Dmand AI has state licenses on file for Dr. Enns in California (1993 to 2027), Oregon (since 2011), Hawaii (2003 to 2026) and Florida (2012 to 2020).
Which hospitals is Dr. Gregory Mark Enns affiliated with?
Dr. Enns practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California.
What medical group is Dr. Gregory Mark Enns part of?
Dr. Enns is linked to Lucile Packard Children's Hospital Stanford. Dmand AI links Dr. Enns to 2 more medical groups.
Does Dr. Gregory Mark Enns accept Medicare?
Yes. CMS lists Dr. Enns as accepting Medicare assignment.
Does Dr. Gregory Mark Enns offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Enns as offering telehealth services.
Show 10 more questionsShow fewer questions
What is Dr. Gregory Mark Enns' MIPS score?
Dr. Enns' MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory Mark Enns see?
CMS counts 13 Medicare patients who saw Dr. Enns in 2024, with an average age of 63.
Is Dr. Gregory Mark Enns board certified?
Yes. Dr. Enns is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics.
Where did Dr. Gregory Mark Enns go to medical school?
Dr. Enns graduated from University of Glasgow Faculty of Medicine in 1990.
What drugs does Dr. Gregory Mark Enns prescribe most?
In 2016 Medicare Part D data, Dr. Enns' most prescribed drugs by claims were Ravicti.
Has Dr. Gregory Mark Enns received payments from drug or device companies?
CMS Open Payments shows $124,866 in general payments to Dr. Enns from 14 companies from 2016 to 2025. The largest total came from Travere Therapeutics, Inc.
How long has Dr. Gregory Mark Enns been practicing?
Dr. Enns graduated from medical school in 1990, 36 years ago.
Does Dr. Gregory Mark Enns do research?
Dmand AI links 119 publications to Dr. Enns, published from 2005 to 2025. Dr. Enns has worked on 7 clinical trials.
Who does Dr. Gregory Mark Enns publish with?
Dr. Enns' most frequent co-authors are Fernando Scaglia, MD (8 shared papers), Anna-Kaisa Niemi, MD, PhD (7 shared papers) and Bruce Howard Cohen, MD (6 shared papers).
What insurance does Dr. Gregory Mark Enns accept?
Dr. Enns is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to medical biochemical genetics practices?
See medical biochemical genetics in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card