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DR. ION DAN GROSU M.D.
NPI 1255573242
Hospitalist in Bangor, ME

Active since April 06, 2009PECOS EnrolledAccepts Medicare Assignment
489 STATE ST, BANGOR, ME 04401(207) 973-7000(207) 973-5042 Get Directions Write a Review

NPPES record last updated: October 19, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ion Dan Grosu M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ION DAN GROSU M.D. (NPI 1255573242) is an individual hospitalist provider in Bangor, Maine, licensed in Maine (MD19240) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Northern Light Eastern Maine Medical Center, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1255573242
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. ION DAN GROSUCredential: M.D.
Location Address489 STATE STBangor, ME 04401-6616
Mailing Address43 Whiting Hill Rd, Ste 300Brewer, ME 04412-1005 · (207) 973-5035 · Fax (207) 973-5042
Phone(207) 973-7000
Fax(207) 973-5042
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateApril 6, 2009
Last NPPES UpdateOctober 19, 2012
✔ NPI 1255573242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in ME · MD19240
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
489 STATE ST, Bangor, ME 04401
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ion Dan Grosu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416108485
PECOS Enrollment IDI20121126000094
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
202 services83 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
114 services60 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
52 services52 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
30 services30 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
18 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northern Light Eastern Maine Medical Center

Acute Care Hospitals · Bangor, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200033
Location489 State StreetBangor, ME 04401 · Penobscot County
Emergency services Birthing friendly

Northern Light Mayo Hospital

Critical Access Hospitals · Dover Foxcroft, ME
OwnershipGovernment - Hospital District or Authority
CMS Certification Number201309
Location897 West Main StreetDover Foxcroft, ME 04426 · Piscataquis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.23 typical visit price
range $53.26 – $162.77
Typical copayment $30.80 (range $13.31 – $40.69)
Most-billed visit code 99204
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARGARET ELIZABETH KASPER PA-C
Physician Assistant
489 STATE ST
BANGOR, ME 04401
Penobscot County (207) 973-4949
DARA H KNAPP PA
Physician Assistant
489 STATE ST
BANGOR, ME 04401
Penobscot County (207) 973-7000
JAIME LEE NAUGHTON CRNA
Nurse Anesthetist, Certified Registered
489 STATE ST
BANGOR, ME 04401
Penobscot County (207) 973-4519
YASMANI LEYVA ECHEVARRIA CRNA
Nurse Anesthetist, Certified Registered
489 STATE ST
BANGOR, ME 04401
Penobscot County (207) 973-7000
KATE LUCILLE BLANCHARD PA-C
Physician Assistant (Surgical)
489 STATE ST
BANGOR, ME 04401
Penobscot County (207) 973-7000
DR. JAMES W BERRY M.D.
Family Medicine
489 STATE ST
BANGOR, ME 04401
Penobscot County (207) 973-7000
JENNIFER LYNN MCKEON CRNP
Nurse Practitioner
489 STATE ST, VASCULAR CARE OF MAINE
BANGOR, ME 04401
Penobscot County (207) 973-6670
DR. LEONARD C MONEKE MD
Hospitalist
489 STATE ST
BANGOR, ME 04401
Penobscot County (207) 973-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ion Grosu's NPI number?

The NPI number for Ion Grosu is 1255573242. It was assigned to this individual provider in the NPPES registry on April 6, 2009.

Where is Ion Grosu located?

Ion Grosu practices at 489 State St, Bangor, ME 04401. The listed phone number is (207) 973-7000.

What is Ion Grosu's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Ion Grosu enrolled in Medicare?

Yes. Ion Grosu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Ion Grosu affiliated with any hospitals?

According to CMS data, Ion Grosu is affiliated with Northern Light Eastern Maine Medical Center and Northern Light Mayo Hospital.

When was this NPI record last updated?

The NPPES record for Ion Grosu was last updated on October 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.