Dr. Leena Mammen, MD
- Medicare services, 2024
- 3,191
- Medicare patients, 2024
- 2,591
- MIPS score, 2024
- 95
- Hospital affiliations
- 7
- Industry payments
- $294
- Practice address
- 1501 W Chisholm St, Alpena, MI 49707
- Practice phone
- Call (989) 356-7390
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mammen'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. Leena Mammen is a diagnostic radiologist in Alpena, Michigan
Dr. Mammen practices at MyMichigan Medical Center Alpena in Alpena, Michigan, part of MyMichigan Health.
Dr. Mammen's NPI, 1275568826, was assigned on July 12, 2006. Dr. Mammen graduated from Loma Linda University School of Medicine in 1990. Dr. Mammen holds North Carolina license 2022-02626.
- NPI
- 1275568826NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476517848
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 356-7390
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Leena Mammen practices at MyMichigan Medical Center Alpena in Alpena, Michigan
Dr. Mammen's primary practice is MyMichigan Medical Center Alpena, at 1501 W Chisholm St, Alpena, MI 49707 in Alpena County. The practice phone is (989) 356-7390.
- MyMichigan Medical Center Alpena1501 W Chisholm St, Alpena, MI 49707 · Alpena CountyPhone(989) 356-7390
Source: Dmand AI Affiliation Data
Dr. Leena Mammen is affiliated with 7 sites of care and 9 medical groups
Dr. Mammen's primary practice is MyMichigan Medical Center Alpena in Alpena, Michigan, part of MyMichigan Health. Dr. Mammen is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is Advanced Radiology Services. Dmand AI also links Dr. Mammen to 5 more hospitals and 8 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leena Mammen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mammen practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MyMichigan Medical Center Alpena | Available with a free account |
| +6 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leena Mammen is one of 1,181 diagnostic radiologists in Michigan
Diagnostic radiology is Dr. Mammen's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Mammen's licenses on file in 2 states: North Carolina and Michigan.
Specialties and state licenses
- Diagnostic radiology, North CarolinaPrimary
- Michigan license
Diagnostic radiologists near Dr. Mammen
Counts of diagnostic radiologists 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. Leena Mammen billed Medicare for 3,191 services in 2024
CMS data shows 3,191 Medicare services from Dr. Mammen across 32 procedure codes in 2024, for 2,591 Medicare patients. Medicare paid $151,587 for them.
Dr. Mammen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2,8582024: 3,17511%
- Tests and treatments
- 2023: 732024: 1678%
Where Dr. Mammen's Medicare services took place, 2024
- In an office150%
- In a facility3,176100%
Dr. Mammen compared with the Michigan median for diagnostic radiologists, 2024
- Dr. Mammen
- Michigan median
- Medicare services
- 3,191vs 1,65892% above
- Medicare patients
- 2,591vs 1,30199% above
Medians across 1,132 diagnostic radiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Mammen'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leena Mammen treated 2,591 Medicare patients in 2024, average age 73
CMS counts 2,591 Medicare patients who saw Dr. Mammen in 2024. The largest group is 65 to 74, with 1,182 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.51, 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. Mammen's median patient age at 67, with 70% women.
Dr. Mammen's Medicare patients by age, 2024
Dr. Mammen's Medicare patients by sex, 2024
- Women1,25949%
- Men1,33251%
Chronic conditions among Dr. Mammen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Ischemic heart disease38%
- COPD34%
- Anxiety30%
- Diabetes30%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mammen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leena Mammen scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Mammen for performance year 2024, reported as part of a group. Dr. Mammen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mammen's MIPS scores, performance year 2024
- 95of 100Final score
- 91.3of 100Quality
- 40of 100Improvement Activities
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. Leena Mammen received $294 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Mammen from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $222.
General payments to Dr. Mammen by program year, 2024 to 2025
Companies that paid Dr. Mammen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leena Mammen graduated from Loma Linda University School of Medicine
Dr. Mammen graduated from Loma Linda University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leena Mammen'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) |
| 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. Leena Mammen
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. Leena Mammen's NPI number?
Dr. Leena Mammen's NPI number is 1275568826. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leena Mammen?
Dr. Leena Mammen is a diagnostic radiologist in Alpena, Michigan. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Leena Mammen practice?
Dr. Mammen practices at 1501 W Chisholm St, Alpena, MI 49707. Dr. Mammen's primary practice is MyMichigan Medical Center Alpena in Alpena, Michigan, part of MyMichigan Health. Dmand AI also links Dr. Mammen to 5 hospitals and 8 medical groups.
What is Dr. Leena Mammen's office phone number?
The practice phone on file for Dr. Mammen is (989) 356-7390.
What is Dr. Leena Mammen's medical license number?
Dr. Mammen holds North Carolina license 2022-02626, one of the licenses on file in 2 states.
Which states has Dr. Leena Mammen been licensed in?
Dmand AI has state licenses on file for Dr. Mammen in North Carolina and Michigan.
Which hospitals is Dr. Leena Mammen affiliated with?
Dr. Mammen practices at MyMichigan Medical Center Alpena in Alpena, Michigan. Dr. Mammen is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. Dmand AI links Dr. Mammen to 5 more hospitals.
What medical group is Dr. Leena Mammen part of?
Dr. Mammen is linked to Advanced Radiology Services. Dmand AI links Dr. Mammen to 8 more medical groups.
Does Dr. Leena Mammen accept Medicare?
Yes. CMS data shows Dr. Mammen billed Medicare for 3,191 services in 2024, and Dr. Mammen accepts Medicare assignment.
What is Dr. Leena Mammen's MIPS score?
Dr. Mammen's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Leena Mammen see?
CMS counts 2,591 Medicare patients who saw Dr. Mammen in 2024, with an average age of 73.
What services does Dr. Leena Mammen bill to Medicare?
In 2024, Dr. Mammen's most billed Medicare services were diagnostic imaging (74177), diagnostic imaging (71250) and diagnostic imaging (71271).
Where did Dr. Leena Mammen go to medical school?
Dr. Mammen graduated from Loma Linda University School of Medicine in 1990.
Has Dr. Leena Mammen received payments from drug or device companies?
CMS Open Payments shows $294 in general payments to Dr. Mammen from 2 companies from 2024 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Leena Mammen been practicing?
Dr. Mammen graduated from medical school in 1990, 36 years ago.
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