Dr. James L. Griffin Jr., MD
- Medicare services, 2024
- 235
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 270
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Practice address
- 1106 Annapolis Rd, Odenton, MD 21113
- Practice phone
- Call (410) 955-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Community Physicians, Inc
Odenton, Maryland
Find Dr. Griffin'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 L. Griffin Jr. is an internist in Odenton, Maryland
Dr. Griffin practices at Johns Hopkins Community Physicians, Inc in Odenton, Maryland.
Dr. Griffin's NPI, 1649373150, was assigned on September 7, 2006. Dr. Griffin graduated from Rutgers New Jersey Medical School in 1983. Dr. Griffin holds Maryland license D41422.
- NPI
- 1649373150NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729276977
- NPI enumeration date
- September 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 955-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James L. Griffin Jr. practices at Johns Hopkins Community Physicians, Inc in Odenton, Maryland
Dr. Griffin's primary practice is Johns Hopkins Community Physicians, Inc, at 1106 Annapolis Rd, Odenton, MD 21113 in Anne Arundel County. The practice phone is (410) 955-5000.
- Johns Hopkins Community Physicians, Inc1106 Annapolis Rd, Odenton, MD 21113 · Anne Arundel CountyPhone(410) 955-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James L. Griffin Jr. is affiliated with 3 sites of care and 1 medical group
Dr. Griffin's primary practice is Johns Hopkins Community Physicians, Inc in Odenton, Maryland. Dr. Griffin is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins Community Physicians. Dmand AI also links Dr. Griffin 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. James L. Griffin Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Griffin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Community Physicians, Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James L. Griffin Jr. is one of 3,320 internists in Maryland
Internal medicine is Dr. Griffin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Griffin is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Griffin
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. James L. Griffin Jr. billed Medicare for 235 services in 2024
CMS data shows 235 Medicare services from Dr. Griffin across 6 procedure codes in 2024, for 186 Medicare patients. Medicare paid $22,060 for them. Every service was in an office.
Dr. Griffin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2472024: 19919%
- Surgery
- 2023: 132024: 13No change
- Other services
- 2023: 02024: 12
- Lab and pathology
- 2023: 02024: 11
- Tests and treatments
- 2023: 202024: 0100%
Dr. Griffin compared with the Maryland median for internists, 2024
- Dr. Griffin
- Maryland median
- Medicare services
- 235vs 65664% below
- Medicare patients
- 186vs 25126% below
- Part D claims
- 11vs 30996% below
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Griffin'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Griffin and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James L. Griffin Jr. treated 186 Medicare patients in 2024, average age 73
CMS counts 186 Medicare patients who saw Dr. Griffin in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Griffin's median patient age at 63, with 54% women.
Dr. Griffin's Medicare patients by age, 2024
Dr. Griffin's Medicare patients by sex, 2024
- Women12065%
- Men6635%
Chronic conditions among Dr. Griffin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis55%
- Diabetes35%
- Chronic kidney disease25%
- Anxiety22%
- Ischemic heart disease19%
- Asthma17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Griffin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James L. Griffin Jr. wrote 270 Medicare Part D claims in 2024
In 2024, Dr. Griffin wrote 270 Medicare Part D claims for 112 patients. 91% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $151 in total drug cost. In 2023, CMS named 69 claims across 4 drugs.
Dr. Griffin's Part D claims by kind of drug, 2024
- Generic247 claims91%
- Brand-name and other23 claims9%
Dr. Griffin'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.
Drug classes CMS tracks in Dr. Griffin's Part D claims, 2024
- Antibiotics11%29 of 270 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 692024: 1184%
Drugs named by CMS: 1 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
Dr. James L. Griffin Jr. scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Griffin for performance year 2024, reported as part of a group. Dr. Griffin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Griffin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Griffin's MIPS scores, performance year 2024
- 87of 100Final score
- 80.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 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
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Dr. James L. Griffin Jr. received $51 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Griffin from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $29.
Companies that paid Dr. Griffin the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James L. Griffin Jr. graduated from Rutgers New Jersey Medical School
Dr. Griffin graduated from Rutgers New Jersey Medical School in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James L. Griffin Jr.'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 L. Griffin Jr.
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 L. Griffin Jr.'s NPI number?
Dr. James L. Griffin Jr.'s NPI number is 1649373150. It was assigned on September 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James L. Griffin Jr.?
Dr. James L. Griffin Jr. is an internist in Odenton, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James L. Griffin Jr. practice?
Dr. Griffin practices at 1106 Annapolis Rd, Odenton, MD 21113. Dr. Griffin's primary practice is Johns Hopkins Community Physicians, Inc in Odenton, Maryland. Dmand AI also links Dr. Griffin to 1 group practice or clinic.
What is Dr. James L. Griffin Jr.'s office phone number?
The practice phone on file for Dr. Griffin is (410) 955-5000.
What is Dr. James L. Griffin Jr.'s medical license number?
Dr. Griffin holds Maryland license D41422.
Which hospitals is Dr. James L. Griffin Jr. affiliated with?
Dr. Griffin is affiliated with The Johns Hopkins Hospital.
What medical group is Dr. James L. Griffin Jr. part of?
Dr. Griffin is linked to Johns Hopkins Community Physicians.
Does Dr. James L. Griffin Jr. accept Medicare?
Yes. CMS data shows Dr. Griffin billed Medicare for 235 services in 2024, and Dr. Griffin accepts Medicare assignment.
Does Dr. James L. Griffin Jr. offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Griffin as offering telehealth services.
What is Dr. James L. Griffin Jr.'s MIPS score?
Dr. Griffin's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. James L. Griffin Jr. see?
CMS counts 186 Medicare patients who saw Dr. Griffin in 2024, with an average age of 73.
What services does Dr. James L. Griffin Jr. bill to Medicare?
In 2024, Dr. Griffin's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
Where did Dr. James L. Griffin Jr. go to medical school?
Dr. Griffin graduated from Rutgers New Jersey Medical School in 1983.
What drugs does Dr. James L. Griffin Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Griffin's most prescribed drugs by claims were Irbesartan.
Has Dr. James L. Griffin Jr. received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to Dr. Griffin from 2 companies from 2024 to 2024. The largest total came from Abbott Laboratories.
How long has Dr. James L. Griffin Jr. been practicing?
Dr. Griffin graduated from medical school in 1983, 43 years ago.
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