J Investig Med High Impact Case Rep
Abdominal PainCannabisDiagnosis, Differential
Dr. Manrajan Singh Gill, MD
NPI1619538543PAC ID3678949187
- Medicare services, 2024
- 993
- Medicare patients, 2024
- 310
- Part D claims, 2024
- 14
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 1200 B Gale Wilson Blvd, Fairfield, CA 94533
- Practice phone
- Call (707) 646-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gill'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. Manrajan Singh Gill is an internist in Fairfield, California
Dr. Gill practices at NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.
Dr. Gill's NPI, 1619538543, was assigned on June 21, 2019. Dr. Gill graduated from Ross University School of Medicine in 2018. Dr. Gill holds California license A181352.
NPI and contact details
- NPI
- 1619538543NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678949187
- NPI enumeration date
- June 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 646-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Manrajan Singh Gill practices at NorthBay Medical Center in Fairfield, California
Dr. Gill's primary practice is NorthBay Medical Center, at 1200 B Gale Wilson Blvd, Fairfield, CA 94533 in Solano County. The practice phone is (707) 646-5000.
- NorthBay Medical Center1200 B Gale Wilson Blvd, Fairfield, CA 94533 · Solano CountyPhone(707) 646-5000
Source: Dmand AI Affiliation Data
Dr. Manrajan Singh Gill is affiliated with 7 sites of care and 6 medical groups
Dr. Gill's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. Dr. Gill is also affiliated with Sutter Roseville Medical Center. The medical group on file is Inpatient Specialist of California PC. Dmand AI also links Dr. Gill to 2 more hospitals, 5 medical groups, 1 community health center, 1 group practice or clinic and 1 skilled nursing facility, each named with a free account.
Sutter Roseville Medical CenterInpatient Specialist of California PC2 hospitalsNames with a free account5 medical groupsNames with a free account1 community health centerName with a free account1 group practice or clinicName with a free account1 skilled nursing facilityName with a free account
See all 13 affiliations for Dr. GillSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Manrajan Singh Gill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gill practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NorthBay Medical Center | Available with a free account |
| +6 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Gill practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across NorthBay Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Manrajan Singh Gill is one of 16,751 internists in California
Internal medicine is Dr. Gill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gill is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure, anemia, bile duct problems, chronic diabetes, chronic hypertension, circulatory problems in extremities, congestive heart failure and coronary artery disease among the conditions Dr. Gill treats.
Internists near Dr. Gill
Counts of internists 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. Manrajan Singh Gill billed Medicare for 993 services in 2024
CMS data shows 993 Medicare services from Dr. Gill across 6 procedure codes in 2024, for 310 Medicare patients. Medicare paid $88,940 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024993
Medicare patients310
Paid by Medicare$88,940
Procedure codes6
Dr. Gill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8702024: 99314%
Dr. Gill compared with the California median for internists, 2024
- Dr. Gill
- California median
- Medicare services
- 993vs 3612.8 times
- Medicare patients
- 310vs 1512.1 times
- Part D claims
- 12vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Gill'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. Gill?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gill and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Manrajan Singh Gill treated 310 Medicare patients in 2024, average age 76
CMS counts 310 Medicare patients who saw Dr. Gill in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gill's median patient age at 69, with 51% women.
Medicare patients, 2024310
Average age76
Average risk score2.92
Also on Medicaid46%
Dr. Gill's Medicare patients by age, 2024
Dr. Gill's Medicare patients by sex, 2024
- Women17356%
- Men13744%
Chronic conditions among Dr. Gill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease57%
- Arthritis53%
- Diabetes53%
- Heart failure47%
- COPD45%
- Ischemic heart disease44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gill'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
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Manrajan Singh Gill wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Gill wrote 14 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $123 in total drug cost.
Part D claims, 202414
Drugs named by CMS1
Total drug cost$123
Dr. Gill's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Manrajan Singh Gill takes part in Medicare
Dr. Gill 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)
For MedTech and pharma teams
Find internists like Dr. Gill by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Manrajan Singh Gill has 1 publication on record
Dmand AI links 1 paper to Dr. Gill.
Papers1
Recent publications by Dr. Gill
See who Dr. Gill researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gill works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Manrajan Singh Gill received $455 in industry payments from 2022 to 2025
CMS Open Payments shows 13 general payments to Dr. Gill from 4 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $248.
General payments to Dr. Gill by program year, 2022 to 2025
Companies that paid Dr. Gill the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Manrajan Singh Gill graduated from Ross University School of Medicine
Dr. Gill graduated from Ross University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Manrajan Singh Gill accepts plans from 6 insurance carriers
Dr. Gill is in network with 6 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
- Aetna
- CMS Medicare
Plan types Dr. Gill accepts, by number of carriers
- Medicare5
- PPO4
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Manrajan Singh Gill'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 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) |
| 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. Manrajan Singh Gill
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. Manrajan Singh Gill's NPI number?
Dr. Manrajan Singh Gill's NPI number is 1619538543. It was assigned on June 21, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Manrajan Singh Gill?
Dr. Manrajan Singh Gill is an internist in Fairfield, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Manrajan Singh Gill practice?
Dr. Gill practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. Dr. Gill's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. Dmand AI also links Dr. Gill to 2 hospitals, 5 medical groups, 1 community health center, 1 group practice or clinic and 1 skilled nursing facility.
What is Dr. Manrajan Singh Gill's office phone number?
The practice phone on file for Dr. Gill is (707) 646-5000.
What is Dr. Manrajan Singh Gill's medical license number?
Dr. Gill holds California license A181352.
Which hospitals is Dr. Manrajan Singh Gill affiliated with?
Dr. Gill practices at NorthBay Medical Center in Fairfield, California. Dr. Gill is also affiliated with Sutter Roseville Medical Center. Dmand AI links Dr. Gill to 2 more hospitals.
What medical group is Dr. Manrajan Singh Gill part of?
Dr. Gill is linked to Inpatient Specialist of California PC. Dmand AI links Dr. Gill to 5 more medical groups.
Does Dr. Manrajan Singh Gill accept Medicare?
Yes. CMS data shows Dr. Gill billed Medicare for 993 services in 2024, and Dr. Gill accepts Medicare assignment.
How many Medicare patients does Dr. Manrajan Singh Gill see?
CMS counts 310 Medicare patients who saw Dr. Gill in 2024, with an average age of 76.
What services does Dr. Manrajan Singh Gill bill to Medicare?
In 2024, Dr. Gill's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99222).
Show 6 more questionsShow fewer questions
Where did Dr. Manrajan Singh Gill go to medical school?
Dr. Gill graduated from Ross University School of Medicine in 2018.
What drugs does Dr. Manrajan Singh Gill prescribe most?
In 2020 Medicare Part D data, Dr. Gill's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Manrajan Singh Gill received payments from drug or device companies?
CMS Open Payments shows $455 in general payments to Dr. Gill from 4 companies from 2022 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Manrajan Singh Gill been practicing?
Dr. Gill graduated from medical school in 2018, 8 years ago.
Does Dr. Manrajan Singh Gill do research?
Dmand AI links 1 publication to Dr. Gill.
What insurance does Dr. Manrajan Singh Gill accept?
Dr. Gill is in network with 6 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists 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