Dr. Gregory P. Melcher, MD
- Medicare services, 2018
- 21
- Part D claims, 2024
- 22
- Publications
- 7
- Hospital affiliations
- 1
- Industry payments
- $185
- Practice address
- 1001 Potrero Avenue, San Francisco, CA 94110
- Practice phone
- Call (415) 206-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Melcher'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. Gregory P. Melcher is an infectious disease specialist in San Francisco, California
Dr. Melcher practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA.
Dr. Melcher's NPI, 1508846387, was assigned on January 18, 2006. Dr. Melcher graduated from University Of Minnesota Medical School in 1982. Dr. Melcher holds California license 00G869540.
- NPI
- 1508846387NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901901347
- NPI enumeration date
- January 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 206-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory P. Melcher practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California
Dr. Melcher's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center, at 1001 Potrero Avenue, San Francisco, CA 94110 in San Francisco County. The practice phone is (415) 206-8000.
- Zuckerberg San Francisco General Hospital and Trauma Center1001 Potrero Avenue, San Francisco, CA 94110 · San Francisco CountyPhone(415) 206-8000
Source: Dmand AI Affiliation Data
Dr. Gregory P. Melcher is affiliated with 2 sites of care and 4 medical groups
Dr. Melcher's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. The medical group on file is UCSF Department of Radiology & Biomedical Imaging. Dmand AI also links Dr. Melcher to 3 more medical groups and 1 group practice or clinic, each named with a free account. Dr. Melcher's 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 P. Melcher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Melcher practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Zuckerberg San Francisco General Hospital and Trauma Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory P. Melcher is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Melcher's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Melcher is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Melcher's licenses on file in 3 states: California, Texas and Minnesota.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- Texas license
- Minnesota license
Infectious disease specialists near Dr. Melcher
Counts of infectious disease specialists 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 P. Melcher billed Medicare for 21 services in 2018
CMS data shows 21 Medicare services from Dr. Melcher across 1 procedure code in 2018, all of them office visits. Medicare paid $1,371 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Melcher's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 2882018: 2193%
Dr. Melcher compared with the California median for infectious disease specialists, 2018
- Dr. Melcher
- California median
- Medicare services
- 21vs 42995% below
- Part D claims
- 76vs 11936% below
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Melcher's most billed Medicare procedure codes, 2018
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. Melcher and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory P. Melcher's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Melcher's median patient age at 69, with 25% women.
Dr. Melcher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. Gregory P. Melcher wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Melcher wrote 22 Medicare Part D claims for 17 patients. They cover 4 drugs, with $96,709 in total drug cost. In 2017, CMS named 66 claims across 3 drugs.
Dr. Melcher's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 662018: 7615%
Drugs named by CMS: 4 in 2018, 3 in 2017.
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
How Dr. Gregory P. Melcher takes part in Medicare
Dr. Melcher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory P. Melcher has 7 publications on record
Dmand AI links 7 papers to Dr. Melcher, published from 2015 to 2019. The most frequent topics are HIV Infections, AIDS-Related Opportunistic Infections and Anti-Bacterial Agents. Dr. Melcher has published most often in Clin Infect Dis. Dr. Melcher's most frequent co-authors are Anthony Paul Albanese, MD, David Michael Asmuth, MD and Paolo Vincenzo Troia-Cancio, MD.
Topics Dr. Melcher writes about most
- HIV Infections
- AIDS-Related Opportunistic Infections
- Anti-Bacterial Agents
- CD4 Lymphocyte Count
Dr. Melcher's most frequent co-authors
- Anthony Paul Albanese, MD2 shared papers
- David Michael Asmuth, MD2 shared papers
- Paolo Vincenzo Troia-Cancio, MD2 shared papers
Recent publications by Dr. Melcher
Clin Infect Dis
See who Dr. Melcher researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Melcher works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory P. Melcher received $185 in industry payments from 2016 to 2018
CMS Open Payments shows 7 general payments to Dr. Melcher from 3 drug and device companies from 2016 to 2018. Education make up the largest share, 54% of the total. Janssen Pharmaceuticals, Inc paid the most, $110.
General payments to Dr. Melcher by program year, 2016 to 2018
General payments to Dr. Melcher by kind, 2016 to 2018
- Education$9954%
- Food and beverage$8646%
Companies that paid Dr. Melcher the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory P. Melcher graduated from University Of Minnesota Medical School
Dr. Melcher graduated from University Of Minnesota Medical School in 1982.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory P. Melcher accepts plans from 4 insurance carriers
Dr. Melcher is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Melcher accepts, by number of carriers
- Medicare4
- PPO4
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory P. Melcher'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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 P. Melcher
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 P. Melcher's NPI number?
Dr. Gregory P. Melcher's NPI number is 1508846387. It was assigned on January 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory P. Melcher?
Dr. Gregory P. Melcher is an infectious disease specialist in San Francisco, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Gregory P. Melcher practice?
Dr. Melcher practices at 1001 Potrero Avenue, San Francisco, CA 94110. Dr. Melcher's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. Dmand AI also links Dr. Melcher to 3 medical groups and 1 group practice or clinic.
What is Dr. Gregory P. Melcher's office phone number?
The practice phone on file for Dr. Melcher is (415) 206-8000.
What is Dr. Gregory P. Melcher's medical license number?
Dr. Melcher holds California license 00G869540, one of the licenses on file in 3 states.
Which states has Dr. Gregory P. Melcher been licensed in?
Dmand AI has state licenses on file for Dr. Melcher in California (2003 to 2027), Texas (1989 to 2003) and Minnesota (1986 to 1993).
Which hospitals is Dr. Gregory P. Melcher affiliated with?
Dr. Melcher practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California.
What medical group is Dr. Gregory P. Melcher part of?
Dr. Melcher is linked to UCSF Department of Radiology & Biomedical Imaging. Dmand AI links Dr. Melcher to 3 more medical groups.
Does Dr. Gregory P. Melcher accept Medicare?
Yes. CMS data shows Dr. Melcher billed Medicare for 21 services in 2018, and Dr. Melcher accepts Medicare assignment.
Is Dr. Gregory P. Melcher board certified?
Yes. Dr. Melcher is board certified in infectious disease by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Gregory P. Melcher bill to Medicare?
In 2018, Dr. Melcher's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Gregory P. Melcher go to medical school?
Dr. Melcher graduated from University Of Minnesota Medical School in 1982.
What drugs does Dr. Gregory P. Melcher prescribe most?
In 2018 Medicare Part D data, Dr. Melcher's most prescribed drugs by claims were Azithromycin, Noxafil and Ethambutol HCl.
Has Dr. Gregory P. Melcher received payments from drug or device companies?
CMS Open Payments shows $185 in general payments to Dr. Melcher from 3 companies from 2016 to 2018. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Gregory P. Melcher been practicing?
Dr. Melcher graduated from medical school in 1982, 44 years ago.
Does Dr. Gregory P. Melcher do research?
Dmand AI links 7 publications to Dr. Melcher, published from 2015 to 2019.
Who does Dr. Gregory P. Melcher publish with?
Dr. Melcher's most frequent co-authors are Anthony Paul Albanese, MD (2 shared papers), David Michael Asmuth, MD (2 shared papers) and Paolo Vincenzo Troia-Cancio, MD (2 shared papers).
What insurance does Dr. Gregory P. Melcher accept?
Dr. Melcher is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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